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 change in its internal energy?
Isko propose krna bolte hai mujhe to pta hi nhi tha kya kre mai shareef ladka hu...
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Oyee Doru..
Tumhe pata hai ki kashvi ka accident ho gya??
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