A 220.0-mL sample of helium gas is in a cylinder with a movable piston at 105 kPa and 275 K. The piston is pushed in until the

Question

A 220.0-mL sample of helium gas is in a cylinder with a movable piston at 105 kPa and 275 K.
The piston is pushed in until the sample has a volume of 95.0 mL. The new temperature of
the gas is 244. K. What is the new pressure of the sample?
51.1 kPa
243 kPa
274 kPa

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