Question

A system absorbs 6 kj of heat and does 1.5 kj of work on its surroundings the change in internal energy is??

Answer 1

Answer:

4.5 kJ

Explanation:

dQ = dU + dW

6 = dU + 1.5

dU = 4.5 kJ

Where dQ = heat

dU = internal energy change

dW = Work