19. Choose the best answer.
Solve this problem using the appropriate law.
Uranium contains tw...
19. Choose the best answer.
Solve this problem using the appropriate law.
Uranium contains two isotopes, U-235 with an atomic mas of 235 g/mol, and U-238 with an atomic mass of 238g/mol. U-235 is needed as a fuel In nuclear reactors. Until recently,
the method used to separate U-235 from U-238 was by gas diffusion. Use U-235 as R, and U-238 as R, and determine the rate of diffusion and which gas will diffuse faster.
Answers: 2
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In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
Chemistry, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
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