Chemistry, 16.10.2020 18:01 kevinkingpin
if the half-life of the substance a is 1.5 years, how long would it take an 8.0 grams sample of substance a to decay such that only 1.0 grams remain?
Answers: 1
Chemistry, 22.06.2019 12:10, kaitlynbernatz2778
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
Chemistry, 22.06.2019 14:00, leahstubbs
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Chemistry, 22.06.2019 14:00, ashlynneboogs0056
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
if the half-life of the substance a is 1.5 years, how long would it take an 8.0 grams sample of subs...
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