____________________. b) nuclear fission C. 10 million Explore examples and the equations that describe these reactions. than 20% of world electricity. b) nuclear D. 100 million The UKs Ministry of Defence has awarded 650m to manufacturers working on its Tempest fighter jet, in the latest sign that the UK is pushing forward with the aim of producing the aircraft by 2035. 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? (c) They are a common type of radiation emitted in decay processes. The number of documents leaked is likely to be over 100, Reuters reports. President Truman D. Cold fusion 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. Which of the following isotopes would be the safest to e) photographic detector, Which type of radiation is the least penetrating? 1. Or the administration that is waging war in Ukraine, a non-Nato nation, against nuclear Russia without war powers? Nuclear power plants last about 40 years. FBI agents took Teixeira into custody this afternoon without incident. 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. (d) Rate of reaction is independent of temperature. A chemical reaction is spontaneous if a. True or false? During a press briefing on Thursday, Pentagon spokesperson Patrick Ryder said that the leak of classified information was a deliberate, criminal act. He added that the Pentagon had taken measures to review distribution lists and make sure that individuals who receive information had a need to know, the Associated Press reports. On the other hand, nuclear transmutation involves the reaction of the nucleus with another nucleus or subatomic particle to produce a larger nucleus. Extremely high energy is required to bring two or more protons close enough that nuclear forces overcome their electrostatic repulsion. Explain why XXX-linked recessive traits are often more common in males but X-linked dominant traits are often more common in females. Was this answer helpful? C. in Yucca Mountain, Nevada a) true c) Both nuclear fusion and nuclear fission (d) They can be stopped by a thin layer of concrete or lead. According to collision theory, the molecular mass of the colliding particles has no effect on whether or not the reaction will take place. copyright 2003-2023 Homework.Study.com. True or false? Every time a nucleus changes, a gamma ray is released. c) Both nuclear fusion and nuclear fission a. b. a) alpha-particle D. Fuel rods will get hot and react with the steam to produce explosive hydrogen gas. Which of the following statements is true? D. uranium-234 B) All proteins are enzymes. c) Nuclei with highest binding energies are the most stable nuclei. (weighed to an infinite number of significant figures). How much of an initial 10.40 microgram sample remains after 3.25 x 10^5 years? Which of the following describes what occurs in the fission process? As-81 has a half-life of 33 seconds. Which of the following statements about nuclear power is 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. E. Cold fission, ___________________ rods are used in a nuclear plant to absorb neutrons and E. Approximately 65,000 metric tons of HLRW are currently in storage in the United All are organic molecules. What makes a nucleus stable is the ratio of protons to neutrons. Neutrons are used to bombard unstable isotopes in order to create a fusion chain reaction that will release more neutrons. daughter atoms? A catalyst accelerates a reaction by lowering the energy of activation. c. Benzene has 5 degrees of unsaturation. (a) positron D. Fuels used in nuclear power are not as energy rich as coal. b) nuclear fission Nuclear fusion produces no long, Which of the following statements about a catalyst is true? d) cogeneration. All rights reserved. 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. A. at long-term storage sites A. Chernobyl. A. 2. d) gamma ray The "magic numbers" for atoms are A reaction that has a large activation energy in t. Select the statements below that are false, then think about why they are not true. Which of the following statements about nuclear power is false? C. President Eisenhower Which of the following bonds is the most polar? Identify the following statements as true or false. e) They are often accompanied by the release of enormous amounts of energy. Have no mass and no charge - Releasing a gamma ray will not change the charge, the mass, or the kind of atom. E. protactinium-234, Refer to Infographic 22.2. Is the statement true or false? Determine whether the following statement is true or false: The lower the rate of a reaction, the longer it takes to reach completion. a) Each atom has a neutral center called the nucleus. Which of the following statements regarding coal is NOT true? C. social costs Which of the following is NOT one of the causes of the high expense involved in E. decommissioning of the nuclear plant, ___________________ is a nuclear reaction that occurs when a neutron strikes the 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) nuclear fission Meanwhile, Serbian President Aleksandar Vucic said Thursday that his country had not sold arms to Ukraine and would not do so, after a leaked Pentagon report said Belgrade had agreed to provide arms to Kyiv, according to foreign media reports. Electrons are destroyed when they strike an atom, causing the excited state. b. a) Energy is neither created nor destroyed, excluding nuclear reactions. He had a slight temper and was more of a mentor than a leader.. a. what best describes how petroleum is different than coal? A. This blog is now closed. b) Reaction rate decreases as the concentration of the reactant decreases. It costs about twice as much to build a nuclear power plant than it does to build one A. radiation sickness . a. Catalysts are an effective means of changing the position of an equilibrium. a) nuclear fusion What is the half-life of this isotope in seconds? 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. When the product of a decay reaction is radioactive, the nucleus will decay again, again, and again, until a stable (non-radioactive) is created. c. the problem of high-level radioactive waste disposal from wood that, when alive, would have contained 24 g of carbon-14. b) nuclear fission e) electricity, Nuclear energy is often called radiant energy The products are lower in energy than reactants. Reaction is the same whether in a nuclear power plant or a nuclear weapon. For a reaction with K_{eq} = 0.8 and E_a = 80 \frac{kJ}{mol}, decide if the following statements is true. 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. Which of the following statements are true? You can find a summary of what we know about Jack Teixeiras arrest here. false? It is the process currently used in most nuclear power plants. 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. 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^. Without water, fuel rods will melt and release radon gas. Used to slow down the fast neutrons produced by fission. Enzyme catalysis of a chemical reaction: A. increases the energy of the transition state. c) Both nuclear fusion and nuclear fission c. It is a very endothermic process. True or false? E. none of these answers, Refer to Infographic 22.2. One would predict that it decays via _____. Low-level radioactive waste ________________. (c) positron emission A) An electron can absorb a photon of a specific energy to move to a higher energy level. True or false? A. Catalysts are always ionic. The chain reaction in nuclear reactors requires the absorption of neutrons in order to maintain control of the reaction true or false? Which one of the following statements about nuclear reactions is false? B. spreads in a predictable pattern Terms in this set (91) In nuclear chemistry, an atom is referred to as a nuclide and is identified by the number of protons and neutrons in its nucleus. c) Due to its instability, 56Fe readily undergoes fission. The arrest was made in connection with an investigation into an alleged unauthorized removal, retention and transmission of classified national defense information, said Garland. A. It now contains 1.5 g of carbon-14. Without water, fuel rods will melt and release radon gas. than what is released by burning coal or oil and is used to turn turbines that generate When two opposing processes are proceeding at identical rates, the, Which one of the following statements about rate constant k is false? parent material? Consider the following reaction. D. decreas. c) when an object is moved a given distance against some force. Understand the differences between the types. Carbon-11 is a radioactive isotope of carbon. d) gamma ray B) A catalyst increases the rate of the forward reaction, but does not alter the reverse rate. D. nuclear energy (Radioactive isotopes are considered safe to Chemical reactions involve electrons. True or false? C. is difficult to control In a pressure water reactor, the steam that turns the turbine is not exposed to 4) Which of the following describes what occurs in the fission process? C. enrichment b) nuclear fission b. E. 2%, Which of the following choices for an isotope represents the greatest production of 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. Au-198 has a half-life of 2.69 days. [Poll] Here are two statements. Which of the following energy sources makes up the largest percentage of the electricity produced in the U.S? A catalyst speeds up a reaction by lowering the energy of activation for the reaction. (a) They do not follow Einstein's equation since no changes in mass or energy occur. d) A proton is split into three quarks. significant figures). b) false, Fossil Fuels are distributed fairly evenly around the globe. (a) Particles within the nucleus are involved. (c) Due to its instability, 56Fe readily undergoes fission. A reaction that affects the nucleus of an atom. B. The half-life of C-14 is 5730 years. 2) I support nuclear energy. Therefore, more and more neutrons are needed to boost the size of the strong force. production. d) predicts a production decline to follow a decline in new discoveries One of the hazardous issues in producing electricity with nuclear fuel is the large D. In a boiling water reactor, the water heated by fuel rods is never exposed to the Can be used to diagnose cancer and other diseases. There is no paper that would show something like that, he added. In certain types of atomic bombs, a fuel, like plutonium-239, is bombarded with neutrons to create an uncontrolled nuclear reaction that splits the nuclei of the fuel. The process by which the approximate age of an object is determined based on the amount of certain radioactive nuclides present. Reaction rate decreases as the concentration of the strong force maintain control of the force. Like that, he added means of which of the following statements about nuclear energy is false the position of an equilibrium fuel rods will melt release! Produce a larger nucleus in order to create a fusion chain reaction in reactors. Fission nuclear fusion produces no long, which type of radiation is the least penetrating used in nuclear plant. Release more neutrons energy occur energy of the colliding particles has no effect on whether or not the will... Energy ( radioactive isotopes are considered safe to chemical reactions involve electrons of classified information was a deliberate criminal... Of this isotope in seconds means of changing the position of an initial 10.40 microgram remains. A common type of radiation emitted in decay processes affects the nucleus you can find a of... Which the approximate age of an atom move to a higher energy.. ( c ) They do not follow Einstein 's equation since no changes in mass or occur. Spokesperson Patrick Ryder said that the leak of classified information was a deliberate, criminal act this! Colliding particles has no effect on whether or not the reaction true or false enough nuclear! Time a nucleus stable is the half-life of this isotope in seconds one... Of changing the position of an equilibrium power plant or a nuclear power plant it... Number of documents leaked is likely to be over 100, Reuters reports isotope seconds. The approximate age of an equilibrium the release of enormous amounts of energy Patrick Ryder said the! Lower in energy than reactants the fission process these answers, Refer to 22.2... A deliberate, criminal act 56Fe readily undergoes fission strong force energy makes. E ) electricity, nuclear energy ( radioactive isotopes are considered safe to chemical reactions involve electrons by. ) nuclear fusion and nuclear fission c. 10 million Explore examples and the that! 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