8. A 220 mL sample of helium gas is in a cylinder with a movable piston at 105 kPa and 275K. The piston
is pushed until the sample has a volume of 95.0 mL. The new temperature of the gas is 310K. What is the
new pressure of the sample?
a. 51.1 kPa
b. 216 kPa
c. 243 kPa
d. 274 kPa