A system can be taken from the initial state $p_1, V_1$ to the final state $p_2, V_2$ by two differe

Question

A system can be taken from the initial state $p_1, V_1$ to the final state $p_2, V_2$ by two different methods. Let $\Delta Q$ and $\Delta W$ represent the heat given to the system and the work done by the system. Which of the following must be the same in both the methods?

Professor PC Thomas Classes · Answer

$\Delta Q-\Delta W=\Delta U$, is a path independent state function.