Chemistry, 28.07.2019 18:30 abenjamin489
Which of the following statements is true? a. some chemical reactions release energy, and other chemical reactions absorb energy. b. chemical reactions, by definition, cannot absorb or release energy. c. some chemical reactions release energy, but no chemical reaction can absorb energy. d. some chemical reactions absorb energy, but no chemical reaction can release energy.
Answers: 1
Chemistry, 23.06.2019 00:30, runninglovexoxo
The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2
Answers: 2
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