If 150 calories of heat are added to a system and a work of 200 joule is done on the system then cal — NEET Chemistry Past Papers Chemistry Question

Question

If 150 calories of heat are added to a system and a work of 200 joule is done on the system then calculate change in internal energy of the system :- (A) 430 joule (B) 830 joule (C) –830 joule (D) –430 joule