First slide

Different type of processes

Question

500 J of heat energy is removed from 4 moles of a monoatomic ideal gas at constant volume. The temperature drops by

Easy

A

40°C
B

30°C
C

10°C
D

0°C

Solution

$\begin{array}{l} dQ = dU = {nC}_{v} dT \\ 500 = 4 \times 3 \times \frac{8 .4}{2} \times dT \\ \Rightarrow dT = 10^{\circ} C \end{array}$

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