Question

Predict what would happen to the volume of a gas if the pressure on that gas were doubled

and then the absolute temperature of the gas was doubled

Answer 1

`\tt (P_1V_1)/(T_1)=(P_2V_2)/(T_2)\\\\V_2=(P_1V_1T_2)/(P_2T_1)=(P_1V_12T_1)/(2P_1T_1)=V_1`