What is the internal energy change when $X J$ of work is done on the system and $Y J$ of heat is transferred…

What is the internal energy change when $X J$ of work is done on the system and $Y J$ of heat is transferred to surrounding?
  1. $X+Y J$
  2. $X Y J$
  3. $Y-XJ$
  4. $X-YJ$

Solution

$\begin{aligned} & \Delta E=8 Q+8 W \\ & =-Y+X\end{aligned}$

Asked in: MHT CET 2022 (08 Aug Shift 1)

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