First slide

Thermodynamic processes

Question

If 400ml of a gas at 127⁰C is cooled to 7⁰C at constant pressure, Then its final volume will be

Moderate

A

500ml
B

350ml
C

280ml
D

300ml

Solution

$\begin{array}{l} V α T \\ \frac{V_{1}}{V_{2}} = \frac{T_{1}}{T_{2}} \\ \frac{400}{V_{2}} = \frac{400}{280} \\ V_{2} = 280 ml \end{array}$

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