First law of thermnodynamics is given by | PHYSICS - ZEROTH LAW OF THERMODYNAMICS | SolveeIt | Solveeit

Today, August 19

Question

First law of thermnodynamics is given by

A

$dQ = dU + PdV$

B

$dQ = dU \times PdV$

C

$dQ = (dU + dV)P$

D

$dQ = PdU + dV$

Answer

$dQ = dU + PdV$

Explanation

Solution

$\Delta Q = \Delta U + \Delta W$ and $\Delta W = P\Delta V$