Multiple Choice
When liquid water is converted to water vapor at constant mass, what happens to its volume and mass?
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7. Gases
The Ideal Gas Law Applications
Multiple Choice
Real gas behavior corrections to the ideal gas law are based on which important factors?
A
The color and odor of the gas
B
Intermolecular forces and the finite volume of gas molecules
C
The temperature and pressure being exactly zero
D
The atomic number and mass of the gas atoms
Verified step by step guidance1
Understand that the ideal gas law assumes gas particles have no volume and no intermolecular forces between them.
Recognize that real gases deviate from ideal behavior because gas molecules occupy a finite volume and experience intermolecular forces.
Learn that corrections to the ideal gas law, such as those in the Van der Waals equation, account for these two factors: the finite volume of gas molecules and the intermolecular forces.
Note that temperature and pressure affect gas behavior, but the key corrections focus on molecular volume and intermolecular attractions, not on temperature and pressure being zero.
Conclude that the important factors for real gas behavior corrections are the intermolecular forces and the finite volume of gas molecules.
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