A sample of gas is taken through cycle abca shown in the p-V diagram of Figure. The net work done is + 1.2J. Along path ab, the change in the internal energy is + 3.0 J and the magnitude of the work done is 5.0 J. Along path ca, the energy transferred to the gas as heat is +2.5 J. How much energy is transferred as heat along?(a) Path ab and(b) Pathbc?

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b V