Chemistry, 19.09.2019 05:00 dkckdkcekkxgmaipcom
Which of these chemical equations is correctly balanced?
a. mno4 + 2 c2h2o4 mn + 2 co2 + 4 h2o
b. mno4 + 3 c2h2o4 mn + 6 co2 + 4 h2o
c. mno4 + 4 c2h2o4 mn + 8 co2 + 4 h2o
d. mno4 + 6 c2h2o4 mn + 12 co2 + 12 h2o
Answers: 2
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Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
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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
Which of these chemical equations is correctly balanced?
a. mno4 + 2 c2h2o4 mn + 2 co2 + 4 h2...
a. mno4 + 2 c2h2o4 mn + 2 co2 + 4 h2...
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