A gas is placed in a container with a movable piston. What happens to the pressure of the gas if the piston reduces the volume of the container by a factor one-half? a) The pressure will be reduced by

A gas is placed in a container with a movable piston. What happens to the pressure of the gas if the piston reduces the volume of the container by a factor one-half?

a) The pressure will be reduced by one-half.

b) The pressure will be doubled.

c) The pressure will be unaffected.