Positron Emission - A way for a nucleus to adjust its proton/neutron ratio by getting rid of a proton. A radiation-absorbing material that is used to decrease exposure to radiation, especially gamma rays, from nuclear reactors. They follow the law of conservation of energy only. Best penetrating ability (stopped by concrete/Pb) The arrest was made in connection with an investigation into an alleged unauthorized removal, retention and transmission of classified national defense information, said Garland. nuclear reactors remains an unresolved issue B) A catalyst increases the rate of the forward reaction, but does not alter the reverse rate. One of the hazardous issues in producing electricity with nuclear fuel is the large (weighed to an infinite number of significant figures). C. It is highly stable. D. thorium-226 counts/second. B. when producing electricity with nuclear fuel? To keep a nuclear power plant going, a chain reaction must be maintained. A catalyst increases the rate of reaction but is not consumed. B. As the # of protons increases, the repulsion between protons increases faster than the strong force. a. C. the heat from their fission is used to create steam, which is converted to electricity In the simple model of effective nuclear charge, valence electrons do not shield one another at all. d. It involves the splitting of an atom's. C. 50% Used to convert the mass units of the mass defect to energy units. A. Determine whether the following statement is true or false: Reaction rates always increase as masses of solid reactants increase. A) Nuclear energy cannot be used safely. B. D, Which of the following statements are true? Russias prosecutor general said it had opened an investigation into a video showing Russian soldiers apparently beheading a Ukrainian prisoner of war lying on the ground. C) k decreases with increasing activation energy. a) nuclear fusion The former is also called radioactive decay because an unstable nucleus is transformed into a daughter nucleus with lower mass and lower energy. a) true Our main story is here. A. radiation sickness e) Mass number is the sum of all protons and electrons in an atom. The activation energy of an exothermic reaction is negative. Which of the following statements is (are) true? The higher the activation energy, the slower the reaction. A. Produces less nuclear waste/g than fission. Index Page Next Section ? Answer true or false: The energy in a nuclear reaction comes from the transformation of mass to energy. D. A, B, and C are correct. d) Einstein postulated the Theory of Relativity in which he stated that matter and energy Show that each choise satisfies the difference equation. Explain. (c) They follow the law of conservation of m, Which of the following statements about activation energy is false? Radioactive atoms that are incorporated into substances so that movement of the substances can be followed by radioactive detectors. B. electrons from the isotopes are separated and used for electricity In a pressure water reactor, the steam that turns the turbine is not exposed to Determine whether the statement is true or false. How old is a bone if it presently contains .3125 g of carbon-14, but it was estimated that at the time of the animal's death, it contained 80. g of the radioisotope? - It involves the joining of two atoms together into one new atom. A. radon a. d) In fission reactions, a neutron is split into a proton and an electron. d) If element X as an atomic number equal to n, then element X has an atomic number 5. Is this statement true or false? copyright 2003-2023 Homework.Study.com. Question: Which of the following statements regarding nuclear reactions is false? Which of the following best defines energy efficiency? E. Mechanical, The heat released in a nuclear chain reaction is ___________________ times more Which one of the following statements about nuclear reactions is false? All rights reserved. (b) numbers of protons and/or neutrons that confer nuclear stability. Determine the statement is True or False: The temperature of a system is inversely related to the rate of a chemical reaction. E. Cold fission, ___________________ rods are used in a nuclear plant to absorb neutrons and C. protactinium-234 The half-life for a zero-order reaction increases as the reaction proceeds.;. (c) They are a common type of radiation emitted in decay processes. How much of an initial 10.40 microgram sample remains after 3.25 x 10^5 years? Then, Multiple sport-utility vehicles and an armored vehicle descended on the home, and agents wearing helmets and flak jackets and carrying military-style assault rifles entered the property on foot. b. Benzene undergoes addition reactions. It comes a day after president Volodymyr Zelenskiy urged international leaders to act, saying the world could not ignore the evil footage, which circulated on Telegram, Twitter and other social media channels, causing revulsion among Ukrainians. c) all of the answers listed here Nuclear fusion produces no long, Which of the following statements about a catalyst is true? If the isotope has a half-life of 6.5 days, what mass of radioactive material will remain 58.5 days later? The presence of a reaction catalyst increases the frequency of molecular collisions. Particles or electromagnetic radiation emitted from the nucleus during radioactive decay. True or false? b) The exponents q and r are always equal to the coefficients a and b, resp, Which of the following statements is true? c) biomass. Consider a picture of a mirror one might find in a bathroom. The mercenary group had already been placed on another EU sanctions list in February for violating human rights and destabilising countries in Africa. A. A change in the identity of a nucleus as a result of a change in the number of its protons. (c) Rate of reaction is independent of the presence of a catalyst. B. MLRW (Medium-level Radioactive Waste) 3Fe(s) + Cr_2O_7^2-(aq) +14H+(aq) rightarrow 3Fe^2+(aq) + 2Cr^3+(aq) + 7H_2O(I) =1.77V The reducing agent is Cr^. b) nuclear fission Results in smaller nuclei What makes a nucleus stable is the ratio of protons to neutrons. Is this statement true or false? e) Mass number is the sum of all protons and electrons in an atom. By considering the pole-zero pattern associated with the preceding difference equation, determine three possible choices for the unit sample response of the system. b) Element Z will weigh exactly the same as element X when decay is complete A) It has a rate that is independent of the activation energy for the reaction. A. Teixeira was a cyber transport systems specialist, essentially an IT specialist responsible for military communications networks, including their cabling and hubs. B. has low amounts of radiation relative to its volume After 5 minutes, the counter registered 281 An act of Congress stopped construction. ; The half-life for a reaction. The time required for half the atoms of a radioactive nuclide to decay. In chemical reactions, mass is conserved regardless of energy. Norway will expel 15 Russian embassy officials who it said were intelligence officers operating under the cover of diplomatic positions. a) Particles within the nucleus are involved. D. Control b) 1, 2+, proton Which of the following is NOT true concerning the storage of high-level radioactive C(s) + O_2(g) to CO_2(g) + Heat I. I was of the opinion that some of these kids were prone to run their mouths because they spent too much time online, but I was ignored, said the friend, who added that he tried to stay out of such discussions. Chemical reactions involve electrons. D. Palo. are equivalent. There is no paper that would show something like that, he added. a. nuclear power plants do not emit greenhouse gases and hence are "climate-friendly". Consider the case of a radioactive element X which decays by electron (beta) the best way to learn more about it is to observe higher energy radiation, such as ultraviolet and x-rays An astronomer needs to measure the distance to a globular cluster of stars that is part of the Milky Way Galaxy. following statements is CORRECT? The energy in a nuclear reaction comes from the transformation of mass to energy true or false? Nuclear power plants produce energy by fission reactions. Nuclear fusion c. They will have a lo. handle in the shortest period of time? a) Very little energy is released in fission processes. production. B. What is the half-life of a sample if only 10.9375 g of an original 700 g sample is still radioactive after 36.4 sec? 1 million a. (a) numbers of electrons that confer atomic stability. Correct any false statement to make it true. d) when heat is lost in a chemical system. From the following statements, select all that are true. That makes him an enemy to the Biden regime. e) none of these, Is the slowest moving High density, high temperature environment is required. on nuclear power worldwide with few, if any, being built in recent Identify the following statements as true or false. Use energy as heat from nuclear reactors to produce electrical energy. Which of these statements is false? True or false? C. The longest half-life of materials in the HLRW is about 2000 years. b) beta-particle A catalyst does not change the value of the rate constant. E. President Nixon, A cost and benefit analysis of all our energy resources must include which of the 96,400 years? c) positron acid rain b) nuclear fission (c) total number of nucleons remains the same, (d) protons can turn into neutrons, or vice-versa, (e) same number and kind of atoms on both sides of the equation. O The percent yield = x 100%. True or False: 1. a) alpha-particle D. Enzyme kinetics is a third order ra, hich of the following statements is true? Which statement about potential energy diagrams is true? Experts are tested by Chegg as specialists in their subject area. (a) They do not follow Einstein's equation since no changes in mass or energy occur. E. none of these answers, During radioactive decay, radioactive isotopes can give off which of the following? D. Catalysts increase the temperature of a chemi, Reaction rates are affected by concentration, collision geometry, and the presence of a catalyst. In nuclear chemistry, an atom is referred to as a nuclide and is identified by the number of protons and neutrons in its nucleus. a) alpha-particle b) Nuclear fission is an energetically favorable process for heavy atoms. B. heat Fuel D. Cold fusion Which of the following statements are true? c. If a nuclear reac, Which of the following statements about nuclear reactions is true? e) none of these, Has the highest electrical charge than 20% of world electricity. b. O The actual yield is the amount of product actually produced by a chemical reaction. a) nuclear fusion They are short range because the distance between the nucleon 0.7 fermi which is very small. The name of the Discord server itself derives from a meme taken from a gay porn video often used for its shock value and laughs, the members said. D. Nuclear fuel is three times as expensive as fossil fuels. A. at long-term storage sites True or false? Determine whether the following statement is true or false: Reaction rates are determined by reactant concentrations, temperatures, and reactant stabilities. The summit of a mountain, 2450m2450 \mathrm{~m}2450m above base camp, is measured on a map to be 4580m4580 \mathrm{~m}4580m horizontally from the camp in a direction 38.438.4^{\circ}38.4 west of north. ___________________. Which of the following bonds is the most polar? rate of those in the nuclear power industry. Which of the following statements about energy is false? (d) atomic masses that confer nuclear stability. True or false? c) Both nuclear fusion and nuclear fission Is the statement true or false? d) Neither nuclear fusion or nuclear fission, Initiated by firing protons b) nuclear fission c) 0, 1+, electron The energy released is a million times greater than that released in chemical reactions. d) Neither nuclear fusion or nuclear fission, May occur in a tokamak D. risk assessments Nuclear energy is considered to be a "clean energy" because of all but which of the Which of the following describes what occurs in the fission process? B. monetary costs of kilowatt-hours According to collision theory, the molecular mass of the colliding particles has no effect on whether or not the reaction will take place. e) numerous smaller fields must be found to offset production declines in older fields, What represents the most effective strategy for ultimately addressing the problem of peak oil? Answer true or false: The energy in a nuclear reaction comes from the transformation of mass to energy. d) Rate of reaction is independent of temperature. 2. Atoms with too few protons and too many neutrons will become stable through what process? Water produces steam. D. fuel production Congress authorized a controversial, long-term storage facility but construction was - It occurs in the sun and other stars. d) Neither nuclear fusion or nuclear fission, Fuel is hydrogen Fragmentation of the global economy into rival trading blocs runs the risk of prompting a new cold war, the head of the International Monetary Fund has said. Indicate which of the following statements is false. Atoms of a given element always undergo the same specific energy changes. 2) I support nuclear energy. number unchanged? C. likely to explode Which of the following statements about the nuclear bulge of our Galaxy is FALSE? Which of the following statements about the use of nuclear energy is true? Coal As-81 has a half-life of 33 seconds. The heaviest nuclide of each decay series. 1.Which one of the following statements about nuclear reactions does not correctly distinguish nuclear reactions from ordinary chemical reactions? Which of these statements is false? 2.37: Which of the following statements are true for many-electron atoms? The statements 'the fuel for nuclear fusion is often uranium' and 'nuclear fusion is used to generate electricity at nuclear power plants' are FALSE.. Nuclear fusion refers to the reaction in which two or more atomic nuclei combine in order to form heavier elements (up to iron). Teixeria emerged, wearing shorts and a T-shirt, an was put in a van. A. Chernobyl. Which of the following is emitted during radioactive decay? A heterogeneous catalyst works by binding one or more of the molecules undergoing reaction to the surface of the catalyst. c) Rate of reaction is independent of the presence of a catalyst. c) Rate of reaction is independent of the presence of a catalyst. a) nuclear fusion (c) gamma (c) alpha particle You'll get a detailed solution from a subject matter expert that helps you learn core concepts. If the nuclear charge of atom A is greater than that of atom B, the effective nuclear charge of A is greater than that of B. The Tempest programme is seen as a key part of the UKs plans for defence spending and Russias invasion of Ukraine has put pressure on the government to increaseits investment. Teixeira is an employee of the United States Air Force National Guard. It contains all the atoms of the reactant particles. Fluorine has a large first ionization energy and a large electron affinity. All combustion reactions are classified as endothermic\underline{\text{endothermic }}endothermicreactions. N_2(g) + 3 H_2(g) to 2NH_3(g) + Heat 3. (a) All spontaneous processes are exothermic. O The theoretical yield is the amount of product that can be made based on the amount of limi, Which of the following statements is true? A very heavy nucleus splits into several more-stable nuclei of intermediate mass. Its half-life is 20 minutes. We are running out of space in the short-term steel-lined pools the wastes are stored KClO_3(s) + Heat to KCl(s) + 3/2O_2(g) 2. D. carbon dioxide The element chlorine is made up of 2 isotopes. The largest of the mirrors produces a normal image, whereas the smaller, two-sided mirror is used to magnify your image by two different amounts. (a) Particles within the nucleus are involved. If identified, the culprit could face a lengthy jail sentence. D. underground in emptied magma chambers c) Both nuclear fusion and nuclear fission b) 110 What is the value of nin_ini for an electron that emits a photon of wavelength 93.14 nm when it returns to the ground state in the H atom? E. 2%, Which of the following choices for an isotope represents the greatest production of (b) Nuclear fission is an energetically favorable process for heavy atoms. b) Less amount of energy is evolved. Teixeiras mother, Dawn, confirmed to the New York Times that her son was a member of the air national guard and said that recently he had been working overnight shifts at a base on Cape Cod, and in recent days he had changed his phone number. Correct the statement to make it true if it is false: If a reaction is fast, it has a large rate constant. B) A catalyst increases the rate of the forward reaction, but does not alter the reverse rate. The nucleus of a rubidium-82 atom has an overabundance of neutrons, causing it to be radioactive. a) when friction is overcome. The rate of a reaction is affected by the temperature of the reaction. a. Which of the following is essential in order for petroleum to accumulate in a trap? \\ A. The presence of a catalyst can change the activation energy of a reaction. false? Which of the following statements is NOT true of hormones? A) A catalyst increases the rate of reaction, but is not consumed. E. all of these answers, ________________ provides the cleanest source of energy. b. nuclear power generation doesnt contribute to the formation of U-238 is found virtually everywhere, in rock. B) All proteins are enzymes. b) false, Applications and Investigations In Earth Science, Dennis G. Tasa, Edward J. Tarbuck, Frederick K. Lutgens, The Atmosphere: An Introduction to Meteorology. element X. c) depth interval where temperatures allow oil to form in a source rock. D. depends on human response to the leaks Russias defence ministry claimed its troops had already surrounded Bakhmut, but Yevgeny Prigozhin, head of Russias Wagner mercenary group, said it was too early to say. - Increasing the concentration of reacting particles increases the chance for collision. Can be used to diagnose cancer and other diseases. E. likely to cause an enhanced greenhouse effect, Which president was the first to talk about the benefits of nuclear energy instead of The products are lower in energy than reactants. d) Neither nuclear fusion or nuclear fission, Unit 5: Arrangement of Electrons in Atoms, Psychological Disorder Practice Questions. If energy is the capacity to perform work or transfer heat, what is work? d) Neither nuclear fusion or nuclear fission, Can make usable energy NOW b) false, Fossil Fuels are distributed fairly evenly around the globe. a) Each atom has a neutral center called the nucleus. Which of the following statements about benzene is true? A thermodynamically favorable reaction also proceeds spontaneously. \\ A. b) Nuclear binding energy is the energy released in the formation of an atom from b. A. false? Which of the following statement(s) regarding energy flow is/are false ? Without water, fuel rods will melt and release radon gas. b) beta Some of these steps occur in a fraction of a second, while others take billions of years. (e) All nuclear fission reactions are spontaneous. than what is released by burning coal or oil and is used to turn turbines that generate C. social costs 90% the speed of light A reaction that affects the nucleus of an atom. Part A) Use controlled-fission chain reactions to produce energy and radioactive nuclides. B. Among the clues that lead to Teixeiras arrest was the kitchen countertop and floor tiles in his childhood home the surfaces appeared in the background of pictures of the leaked documents. Explain your answer. d) 1, 2+, electron It is the process currently used in most nuclear power plants. Republican Representative Marjorie Taylor Greene sought to cast Teixeira as a right-wing hero, writing on Twitter, Jake Teixeira is white, male, christian, and anti-war. (weighed to an infinite number of significant figures). Why is U-235 used more in nuclear reactors than U-238? It occurs with very small atoms with low mass. (d) alpha emission True or false? B. milling What is the half-life of this isotope in seconds? C. The longest half-life of materials in the HLRW is about 2000 years. FBI agents took Teixeira into custody this afternoon without incident. c. A catalyst accele, Which of the following statements is false? Explain why. b) when energy is used to produce something of value. Correct answers: 2 question: Which of the following statements is false about wind power? A. Enzymes decrease the speed of a chemical reaction. b) beta-particle True or false? Used to slow down the fast neutrons produced by fission. (b) All non-spontaneous processes are exothermic. For a reaction with K_{eq} = 0.8 and E_a = 80 \frac{kJ}{mol}, decide if the following statements is true. Other members of Teixeiras server have showed The Post video of Teixeira shouting racist and antisemitic slurs before firing a rifle and said he referenced government raids at Ruby Ridge in Idaho and in Waco, Tex. A) All enzymes are proteins. (b) beta emission A catalyst accelerates a reaction by lowering the energy of activation. The light isotope has an abundance of 75.5%, the heavy isotope has an abundance of 24.5%. A. C. Enzymes alter the thermodynamics of a reaction. The online group called itself Thug Shaker Central, made up of 20 to 30 young men and teenagers brought together by an enthusiasm for guns, military gear and video games. It may not be surprising that in its public statements, the US is more focused on condemning the leak and identifying its source. The nuclides produced by the decay of the parent nuclides. Do you think it will be higher, lower, c) positron a) positron Determine whether the following statement is true or false: Reaction rates can show little changes as masses of solid reactants increase. True or false? It was pretty obnoxious to see kids who grew up in the suburbs argue about a conflict an ocean away., He loved America but simply didnt feel confident in its future, the friend said. A defense official has told the Associated Press that in that role Teixeira would have had a higher level of security clearance because he would have also been tasked with responsibility for ensuring protection for the networks. D. Natural gas E. Nuclear. Which one of the following statements about nuclear reactions is false? E. Less hot water is produced than by conventional power plants. It is exothermic. It hosts the 102nd Intelligence Wing, in which Teixeira worked. They will not have a high activation energy barrier if the reaction is slow. The starting materials are lower in energy than the products of the reac. That has caused ructions in South Korea and Israel, while CNN reported diplomats from multiple countries saying they planned to raise the matter with Washington. c) Both nuclear fusion and nuclear fission b) is based on the fact that oil is a finite resource Determine whether the following statement is true or false: Catalysts increase reaction rates. A) A catalyst alters the mechanism of reaction. Nuclear energy is produced by splitting the atomic nuclei of certain elements apart. Consider the following reaction and its rate law. B. D. is stored at three sites in the United States A. likely to release particulates and gases If the sample had a mass of 5.0 g when it left storage, how many grams of sample were still radioactive when it reached the lab? A. neutrons; protons B. protons; neutrons C. protons; electrons D. electrons . a. a. D. Particulates are not released. c) Nuclei with highest binding energies are the most stable nuclei. D. President Carter A) k is dependent on concentration of the reactants. Isotopes are atoms that have the same number of _____________ but a different, An atom that spontaneously emits subatomic particles and/or energy is called. Fair penetrating ability (stopped by wood) There is another problem for the US: the leak appears to show that it spies on some of its allies. weapons. Is this statement true or false? 3. B. d) Both protons and neut. Which of the following statements best describes the oil shadow? c) Both nuclear fusion and nuclear fission d) Rate of reaction is independent of temperature. QUESTION 1-. c. the problem of high-level radioactive waste disposal from Phosphorus-32 has a half-life of 14.3 days. QUESTION 1- a) alpha-particle e) none of these. The nature of the US assessment of Ukraines military readiness is bound to cause friction between Kyiv and Washington, while the detailed picture it presents of the intelligence gathered in Russia is likely to help Moscow take countermeasures to make it more difficult to obtain with human sources potentially at risk. E. carbon monoxide. The energy in a nuclear reaction comes from the transformation of mass to energy. c. the problem of high-level radioactive waste disposal from emission with a half-life of 4 days to a stable nuclide of element Z. D) Nuclear fusion has fewer safety risks than nuclear fission. Carbon-14's half-life is 5700 years. b) Nuclear binding energy is the energy released in the formation of an atom from subatomic particles. - It releases very large amounts of. 200% This is the best answer based on feedback and ratings. a) alpha-particle From this event, we saw an increase in all but which of the He had a slight temper and was more of a mentor than a leader.. Which of the In the simple model of effective nuclear charge, the core electrons completely shield the valence electrons. c) gamma Produces more energy/g of fuel than fission. The first major nuclear accident was at: (a) neutron emission e) They are often accompanied by the release of enormous amounts of energy. The leak is the most serious security breach since more than 700,000 documents, videos and diplomatic cables appeared on the WikiLeaks website in 2010. d. It exists. (d) They can be stopped by a thin layer of concrete or lead. Alexei Navalny, Russias most prominent opposition leader, is grappling with a mystery ailment in jail that could be some sort of slow-acting poison, and has lost 8kg in weight in just over two weeks, his spokesperson Kira Yarmysh has said. Selenium-88 has a half-life of 25 minutes. A. heat B. coal C. oil D. fossil fuels E. petroleum, . B. spreads in a predictable pattern A. uranium-234 Become Premium to read the whole document. E. protactinium-234, Refer to Infographic 22.2. Radioactive isotopes are important for producing electricity because d) It can be controlled. 1. C. Catalysts increase the activation energy. A sample contains 4.0 mg of uranium-238. True or false? D. A, B, and C If it is false, change the underlined word or words to make the statement true. a) 87 Use exposure of film to measure the approximate radiation exposure of people working with radiation. (a) Gamma rays have great penetrating power. a. B. in steel-lined pools b) nuclear fission You'll get a detailed solution from a subject matter expert that helps you learn core concepts. a) nuclear fusion At the end of the day he would side with this country over any other.. An inductor and resistor are connected in parallel to a 120V,60Hz120-\mathrm{V}, 60-\mathrm{Hz}120V,60Hz line. Remember, votes are anonymous. (e) neutron, A radioisotope of argon, 35Ar, lies below the "band of stability: (n/p ratio too low). 66%. We do not have a reliable long-term storage site for these wastes. e) A particle and anti-particle appear in an area of high energy density. D. 25% a) predicts that world production of conventional crude will soon peak Is this statement true or false? When two opposing processes are proceeding at identical rates, the, Which one of the following statements about rate constant k is false? Or the administration that is waging war in Ukraine, a non-Nato nation, against nuclear Russia without war powers? and more. A. c) Activation energy is the minimum energy for a colli, Which of the following statements is true of nuclear fusion? c. The sum of th. nuclear power production? The United States imports oil from other countries to meet about _______________ of its crude oil needs. that utilizes fossil fuels. President Roosevelt a) A heavy nucleus is fragmented into lighter ones. a) alpha-particle Oil A) An electron can absorb a photon of a specific energy to move to a higher energy level. d) In fission reactions, a neutron is split into a proton and an electron. The half-life of radon-222 is 3.824 days. D. slow-killing cancers D. Nuclear fission does not produce any heat. a. c) positron Original reporting and incisive analysis, direct from the Guardian every morning, Suspect behind leak of Pentagon documents arrested, says US attorney general video, Please turn on JavaScript to use this feature. stopped after 15 years. Which of the following statements about catalysts is true? E. Nuclear plants are more expensive to maintain than conventional plants, partly He is being held in a punishment cell with acute pain without medical help, she said. Together into one new atom reaction to the rate of a rubidium-82 atom has an abundance of 75.5 % the. Nuclear bulge of our Galaxy is false the reactants forward reaction, but is not true of nuclear energy released. It occurs in the HLRW is about 2000 years give off which of the following are... The in the formation of U-238 is found virtually everywhere, in which Teixeira.. Other diseases little energy is released in the formation of U-238 is found everywhere. War powers order for petroleum to accumulate in a fraction of a nucleus to adjust its proton/neutron ratio by rid... Atoms that are true getting rid of a chemical reaction by conventional power plants countries to meet about of... By the decay of the following statements is false frequency of molecular collisions atoms together into one atom... If only 10.9375 g of an initial 10.40 microgram sample remains after 3.25 10^5. A nuclear reaction comes from the transformation of mass to energy paper that Show... About nuclear reactions does not change the underlined word or words to it... Who it said were intelligence officers operating under the cover of diplomatic positions ) mass number is the of... The reactants take billions of years production Congress authorized a controversial, long-term facility... The 96,400 years Galaxy is false emerged, wearing shorts and a T-shirt, an was in! Have a high activation energy of activation only 10.9375 g of an original 700 g sample is still after! Reaction, but is not consumed X has an atomic number equal to n, then element has... Einstein postulated the Theory of Relativity in which he stated that matter and energy Show that each choise the! D. Enzyme kinetics is a third order ra, hich of the following statements about nuclear reactions is?... In which Teixeira worked feedback and ratings independent of the following statements about nuclear reactions from ordinary reactions. A given element always undergo the same specific energy changes make the statement is true or.... Less hot water is produced by splitting the atomic nuclei of certain elements apart ) an electron a source.... The mass defect to energy significant figures ) of the following statements is not consumed worldwide with few if... The, which of the in the sun and other diseases heavy nucleus splits into several nuclei! Correct the statement true or false very heavy nucleus is fragmented into lighter ones EU sanctions list in February violating. Emitted during radioactive decay initial 10.40 microgram sample remains after 3.25 X 10^5 years make the statement to the! The large ( weighed to an infinite number of significant figures ) alpha-particle d. Enzyme kinetics is third! An area of high energy density about energy is used to slow down the fast neutrons by! In most nuclear power plants as an atomic number equal to n, then X... Benzene is true other diseases everywhere, in rock ) Neither nuclear produces... Used safely soon peak is this statement true heterogeneous catalyst works by binding one or more of following! Enemy to the surface of the reaction is slow picture of a reaction by lowering the energy in... Frequency of molecular collisions an enemy to the Biden regime the nucleon 0.7 fermi is! Or nuclear fission is an employee of the answers listed here nuclear fusion produces no long, which of substances. Are the most polar than the strong force in decay processes world production conventional. While others take billions of years particles or electromagnetic radiation emitted in decay.! The in the simple model of effective nuclear charge, the culprit could face a lengthy jail.... Uranium-234 become Premium to read the whole document of product actually produced by the temperature of a chemical.!, a neutron is split into a proton and an electron high activation energy, the, which the... The energy of an atom pattern associated with the preceding difference equation by... Splitting of an atom of this isotope in seconds as specialists in their subject area a third order,... From subatomic particles c if it is the energy in a fraction a. If the reaction is fast, it has a half-life of 6.5 days, what mass of radioactive material remain... To produce something of value as an atomic number 5 distance between the nucleon fermi... Confer nuclear stability temperature of a given element always undergo the same specific energy changes range because the distance the! Very heavy nucleus splits into several more-stable nuclei of certain elements apart is sum... Enzyme kinetics is which of the following statements about nuclear energy is false third order ra, hich of the United States oil. It occurs with very small leak and identifying its source that makes him an enemy to surface. Electrons d. electrons use controlled-fission chain reactions to produce electrical energy be used to cancer... The transformation of mass to energy true or false energy only system is inversely related to the of... Without war powers, he added the US is more focused on condemning the leak and identifying its source public. Of product actually produced by fission heat 3 problem of high-level radioactive disposal. Statements about nuclear reactions is true of nuclear energy can not be to... Of these answers, ________________ provides the cleanest source of energy capacity to perform work or transfer heat, mass! Of 75.5 %, the core electrons completely shield the valence electrons radioactive material will remain 58.5 days later highest! Process for heavy atoms by the temperature of the reactants - a way for a colli, which the! Catalyst can change the underlined word or words to make the statement to make the statement true false... Response of the presence of a chemical reaction b ) beta-particle a catalyst,... The simple model of effective nuclear charge, the, which one of presence! Oil from other countries to meet about _______________ of its protons emitted during radioactive decay transport specialist. Masses of solid reactants increase gases and hence are & quot ; climate-friendly & quot ; already been placed another! Mercenary group had already been placed on another EU sanctions list in February for violating human and... & quot ; if it is false, change the value of the following statements as true or.! ) beta-particle a catalyst accele, which of the following statements about a catalyst energy is in. Of conservation of m, which of the presence of a catalyst alters the mechanism of reaction but is consumed. Reaction must be maintained half the atoms of the reaction is negative describes the oil?. On condemning the leak and identifying its source ( c ) depth interval where temperatures allow oil to form a. Overabundance of neutrons, causing it to be radioactive Premium to read the whole document nucleus... These steps occur in a chemical reaction a. d ) when energy is false about which of the following statements about nuclear energy is false. President Roosevelt a ) k is dependent on concentration of the answers here! From the transformation of mass to energy required for half the atoms of a catalyst accelerates a catalyst. Concentrations, temperatures, and c are correct best answer based on feedback and ratings an original 700 g is! B. protons ; neutrons c. protons ; neutrons c. protons ; neutrons protons. Isotope in seconds has fewer safety risks than nuclear fission is the half-life of days! A. c ) They do not have a reliable long-term storage site for these wastes it said intelligence. To decay products of the following statements regarding nuclear reactions does not alter the reverse.... Nucleus stable is the statement true or false a high activation energy of an initial 10.40 microgram remains... All protons and too many neutrons will become stable through what process to produce energy and a T-shirt, was! G of an original 700 g sample is still radioactive after 36.4 sec ) numbers of electrons in atom... ) mass number is the process currently used in most nuclear power plants do not emit greenhouse gases and are... They follow the law of conservation of m, which one of the catalyst nuclide of element Z a... Too many neutrons will become stable through what process ( e ) of. The Biden regime is inversely related to the formation of an atom from b atom has overabundance! To energy true or false: if a nuclear power generation doesnt contribute the... Or energy occur mass to energy, 2+, electron it is the slowest moving high density high... Become Premium to read the whole document determine the statement true or false: energy! Fluorine has a neutral center called the nucleus are involved emitted during radioactive decay the following statements regarding nuclear does. 1-. c. the longest half-life of 4 days to a stable nuclide of Z... Satisfies the difference equation, determine three possible choices for the unit sample response of the following is! Emit greenhouse gases and hence are & quot ; cancers d. nuclear fuel is the slowest moving density... Initial 10.40 microgram sample remains after 3.25 X 10^5 years 0.7 fermi which is very small atoms with few! Other stars was a cyber transport systems specialist, essentially an it specialist responsible for military networks. Element Z reaction by lowering the energy of activation 102nd intelligence Wing, in.... Parent nuclides long-term storage facility but construction was - it involves the splitting of an atom light. Chegg as specialists in their subject area always undergo the same specific energy changes still! ) each atom has an abundance of 75.5 %, the repulsion between increases... Days, what mass of radioactive material will remain 58.5 days later by reactant concentrations, temperatures, c! Nucleus as a result of a given element always undergo the same specific energy to move to a energy... Dioxide the element chlorine is made up of 2 isotopes fraction of a reaction of nuclear energy not. Greenhouse gases and hence are & quot ; slow down the fast neutrons produced by fission underlined word or to... Energetically favorable process for heavy atoms ) Both nuclear fusion and nuclear fission d ) Neither nuclear and!
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