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

Question

Quizplus · Accepted Answer

Density is defined as mass per unit volume. If the volume of the gas expands to twice its previous volume, then the mass of the gas remains the same since there is no change in the amount of gas present. Therefore, the density would be half of what it was before the expansion.

When Gas in a Container Expands to Twice Its Volume