Chemistry, 29.12.2020 01:00 lucyamine0
Does anybody want to join my pad let, my other account got deleted
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Chemistry, 22.06.2019 05:30, medlinalex
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 07:00, erickamurillo9929
In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
Answers: 2
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
Does anybody want to join my pad let, my other account got deleted...
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