Question

A system uses 2,380 J of energy to do work as 12,900 J of heat are added to the system.

The change in internal energy of the system is

Answer 1

A system uses 2,380 J of energy to do work as 12,900 J of heat are added to the system.

Thus, ΔU = 12900 - 2380 = 10,520 J

Step-by-step explanation:

I hope this is correct, and i could be of help :D!