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[" 2.Heat of "30" kcal is supplied to a ...

[" 2.Heat of "30" kcal is supplied to a system and "4200J" of external work is done on the system so that its "],[" volume decreases at constant pressure.What is the change in its intermal energy."(J=4200J/kcal)],[1)1.302times10^(5)Jquad " 2) "2.302times10^(5)Jquad " 3) "3.302times10^(5)J]

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Heat of 30 kcal is supplied to a system and 4200 J of external work is done on the system so that its volume decreases at constant pressure. What is the change in its internal energy. (J=4200 J/kcal)

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