Chemistry, 25.08.2019 02:20 aletadaboss
Chan hee is inflating a basketball using an air pump. he notices that the pump gets warm as he uses it. what is a good hypothesis that could lead to new experimentation?
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Chemistry, 22.06.2019 09:30
In apex! a liquid heated beyond a certain temperature becomes
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Chemistry, 22.06.2019 12:10
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 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
Chan hee is inflating a basketball using an air pump. he notices that the pump gets warm as he uses...
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