Question: Figure represents a closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as

Figure represents a closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from to c along the path abc is –200 J. As it moves from c to d, 180 J must be transferred to it as heat. An additional transfer of 80 J to it as heat is needed as it moves from to a. How much work is done on the gas as it moves from c to d?d V

d V

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