What is the change in the energy of surroundings when the system absorbs 17.5 kJ of energy and performs 5.00 *³ J of work on the surroundings?

Question

Quizplus · Accepted Answer

The energy of the surroundings increases by 12.5 kJ because the system absorbs 17.5 kJ (which decreases the energy of the surroundings) and performs 5.00 kJ of work on the surroundings (which increases the energy of the surroundings), resulting in a net change of +12.5 kJ.

What Is the Change in the Energy of Surroundings When