(i) Under what conditions is the heat absorbed by a system is equal to the work done by the system? (ii)In a process, 802 J of heat is absorbed by a system and 294 J of work is done by the system. What is the change in internal energy for the process?

(i) Under what conditions is the heat absorbed by a system is equal to the work done by the system? (ii)In a process, 802 J of heat is absorbed by a system and 294 J of work is done by the system. What is the change in internal energy for the process?
by

1 Answer

Answer :

(i) When ∆U=0 i.e, for isothermal process q = w
(ii)ΔU = q + w
ΔU = 802 + (-294) =508J
by

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