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Question
Which of the following statements regarding a fission based nuclear reactor is not correct?A) A nuclear fission reactor uses the heat energy released by the fission of U-235 to produce steam.
B) The control rods in a nuclear reactor contain materials which absorb neutrons.
C) The moderator in a fission reactor slows down the neutrons produced from the fission of U-235.
D)
(heavy water), graphite, and H2O (light water) have been used as moderators in fission reactors.E) The uranium dioxide fuel pellets used in a U.S. light-water reactor are made up mostly of the U-235 isotope.
Answer
This answer is hidden. It contains 1 characters.
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Q:
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Q:
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Q:
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Q:
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Q:
If a reaction is first-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 2, the reaction rate will _____.
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Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1