Chemistry, 20.07.2019 13:30 anthonylopez1
1. if you have 4.0 g of a radioactive substance left after 4 half-lives have passed, then how much did you have originally? a. 50 g b. 64 g c. 25 g d. 10 g 2. if a fusion reaction yields 4.50 x 10^9 kj of energy, then how much mass was lost? a. 5.00 x 10^-5 kg b. 1.50 x 10^-6 kg c. 1.50 x 10^-3 kg d. 5.00 x 10^-2 kg 3. for the transmutation shown, which of the following is x? (the first number is on top on the actual answer.) a. 3 1 h b. 6 3 li c. 1 1 h d. 4 2 he 5. which of the following energy yields is most likely to have come from a fission or fusion reaction? a. 1.0 x 10^2 kj/mol b. 2.5 x 10^2 kj/mol c. 1.5 x 10^3 kj/mol d. 2.0 x 10^11 kj/mol
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1. if you have 4.0 g of a radioactive substance left after 4 half-lives have passed, then how much d...
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