Phase Changes: When a Vapor Condenses

question 120

Multiple Choice

Phase changes: When a vapor condenses,

• A) the temperature of the substance increases.
• B) the temperature of the substance decreases.
• C) heat energy leaves the substance.
• D) heat energy enters the substance.

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Definitions:

Volume

The size of the space covered by an object or a substance.

Density

A physical property that denotes the mass of a substance per unit volume.

Volume

The space occupied by an object or substance, or encased within a holding device.

Mass

Mass is a measure of the amount of matter in an object, usually in kilograms or grams.