First slide

laws

Question

One mole of a perfect gas in a cylinder fitted with a piston has a pressure $ρ$ , volume V and temperature
T. If the temperature is increased by 1 K keeping pressure constant, the increase in volume is

Easy

A

$\frac{2 V}{273}$
B

$\frac{V}{91}$
C

$\frac{V}{273}$
D

V

Solution

For isobaric process, $\frac{V_{2}}{V_{1}} = \frac{T_{2}}{T_{1}} \Rightarrow V_{2} = V \times \frac{274}{273}$
Increase in volume $= \frac{274 V}{273} - V = \frac{V}{273}$

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