A gas is compressed from a volume of to a volume of at a constant pressure of
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
A gas is compressed from a volume of 2m3 to a volume of 1m3 at a constant pressure of 100 N/m2. Then it is heated at constant volume by supplying 150 J of energy. As a result, the internal energy of the gas:
(1) increases by 250 J
(2) decreases by 250 J
(3) increases by 50 J
(4) decreases by 50 J