A gas absorbs 2.0 J of heat and then performs 11.6 J of work. What is the change in internal energy of the gas?

Name: A gas absorbs 2.0 J of heat and then performs 11.6 J of work. What is the change in internal energy of the gas?
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Question

Quizplus · Accepted Answer

According to the first law of thermodynamics, the change in internal energy (ΔU) is given by ΔU = Q - W, where Q is the heat absorbed and W is the work done by the system. Here, Q = 2.0 J and W = 11.6 J, so ΔU = 2.0 J - 11.6 J = -9.6 J.

A Gas Absorbs 2