Question

in the formula used to solve problems related to the first law of thermodynamics, what does q represent? internal energy heat work external energy

Explanation:

In the first - law of thermodynamics formula $\Delta U = Q - W$, where $\Delta U$ is the change in internal energy, $Q$ represents the heat added to the system and $W$ is the work done by the system. So $Q$ stands for heat.

Answer:

B. heat