PHYSICS - ID
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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1) 1.302 x 105 J
V2 X 10° 2) 2.302 x 109J
3) 3.302 x 105 J
4) 4.302 x 105J
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