Chemistry, 22.11.2019 19:31 trentvw1174
Half-life problems:
(a) hg-197 has a half-life of 64 hours. if you have 164g of hg-197 today, how much will you have in 448 hours?
(b) 263 minutes ago we had 5.12g of i-134 and now we only have 0.16g. how long is the half-life of i-134?
(c) c-14 has a half-life of 5730 years. if animal remains are found to have 1/16 of the amount of c-14 found in animals living today, how old are the remains?
(d) an average smoke detector for domestic use contains about 0.29 micrograms of
am-241 which has a half-life of 432 years. how long would it take to decay to 0.0725 micrograms? (3 pts)
Answers: 1
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Half-life problems:
(a) hg-197 has a half-life of 64 hours. if you have 164g of hg-197 today,...
(a) hg-197 has a half-life of 64 hours. if you have 164g of hg-197 today,...
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