Which of the following statements is false?
A. All solutions are mixtures
B. All solutio...
Chemistry, 07.04.2020 16:51 napoleonbrown
Which of the following statements is false?
A. All solutions are mixtures
B. All solutions are homogeneous
C. All solutions contain at least two or more compounds
D. All solutions contain at least two substances
Answers: 3
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Which diagram shows the correct way to represent an ionic compound of magnesium oxide?
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Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
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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
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