Chemistry, 30.10.2021 23:50 jaylan11brown
The half-life of Plutonium-157 is 16,000 years. How long will it take for the sample to decay to 1/32 of the original amount?
Answers: 3
Chemistry, 21.06.2019 22:30, stefaniethibodeaux
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
Answers: 1
Chemistry, 22.06.2019 01:30, alfarodougoy8lvt
Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k
Answers: 3
The half-life of Plutonium-157 is 16,000 years. How long will it take for the sample to decay to 1/3...
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