Chemistry, 29.01.2020 17:51 MrRandomUser
List three evidences of physical and chemical change. ( if you know only one or two write them anyways )
Answers: 2
Chemistry, 22.06.2019 16:00
Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.
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Chemistry, 22.06.2019 16:00
No copying 15 pts how does a free-body diagram tell you about the net force on an object?
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Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
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Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
List three evidences of physical and chemical change. ( if you know only one or two write them anyw...
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