A. when the volume of the gas is halved, the pressure of the gas will be doubled.
PV = nRT
P = nRT/V
when the volume is halved
P= nRT/0.5V
P = 2nRT/V
P(new) = 2P(initial)
Thus, when the volume of the gas is halved, the pressure of the gas will be doubled.
Learn more about ideal gas law here: https://brainly.com/question/12873752
#SPJ1