When a gas in a container expands to twice its volume, its density
A)halves.
B)doubles.
C)quadruples.
D)remains the same.

Name: When a gas in a container expands to twice its volume, its density A)halves. B)doubles. C)quadruples. D)remains the same.
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Question

Quizplus · Accepted Answer

Density is defined as mass over volume. Since the mass of the gas in the container does not change, if the volume doubles, the density must halve in order to maintain the same mass/volume ratio. Therefore, the correct answer is A) halves.

When a Gas in a Container Expands to Twice Its