C-14 has a half life of 5,730 years. you begin with 600 grams
a. at the end of the first half-l...
Chemistry, 29.10.2019 21:31 Sadaalcala1
C-14 has a half life of 5,730 years. you begin with 600 grams
a. at the end of the first half-life, how much substance is still radioactive?
b. after 4 half lives, how much would remain radioactive and how much would be stable?
Answers: 1
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Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
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Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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