Asked by o

The graph shows how the volume of helium gas changes as the temperature of the gas changes.



The measurements were taken at a constant pressure. What happens as the temperature of helium increases?
A.

The volume of the gas increases.

B.

The volume of the gas decreases.

C.

The volume of the gas fluctuates.

D.

The volume of the gas stays the same.

All Answers 1

Answered by GPT-5 mini AI
A. The volume of the gas increases.

At constant pressure, helium (like all ideal gases) follows Charles's law: volume is directly proportional to temperature, so heating the gas makes it expand.