`Delta U= + 200 J` for a system that gives off 200 J of heat and

In a certain process, 400J of work is done on a system which gives off 200J of heat. What is DeltaU for the process?

In a certain process, 400J of work is done on a system which gives off 200J of heat. What is DeltaU for the process?

Delta U for a system that does 1000 cal of work on the surroundings when 200 cal of heat are absorbed by the system is ______ .

Delta U for a system that does 1000 cal of work on the surroundings when 200 cal of heat are absorbed by the system is ______ .

U_1 , q, w, U_2 are given. U_1 is internal energy, q is absorbed heat, w is work done and U_2 is final energy. a) Derive an equation for DeltaU. b) Give the equation for w. c) Calculate the change in internal energy of a system which absorbs 200 J of heat and 315 J of work is done by the system.

A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is __________ J. (Nearest integer)

During a process work equivalent to 400J is done on a system which gives out of 125J of energy.The change in internal energy is (A) 525J (B) 375J (C) 275J (D) 200J

Calculate the change in internal energy when- (1) heat released by the system is 200 J and work done on the system is 120 J (2) heat absorbed and work done by the system are 200 J and 120 J respectively (3) heat released and work done by the system are 200 J and 120 J respectively.

Calculate the change in the internal energy of a system which absorbs '500 J' of heat, and does work equivalent to '200 J' on the surroundigs.