Suppose the initial pressure , volume and temperature is P1, V1 and T1
Final pressure, volume and temperature is P2, V2 and T2.
P1V1/T1 = P2V2/T2
T2 = 4T1 and P2 = 2P1
P1V1/T1 = 2P1 * V2/4T1
or, V1 = V2/2
So, the volume will also increase. It will be double of the initial volume.
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