Question

A gas of given mass at a pressure of 50cm Hg is heated from 27C° to 97C° if the vloume is maintained constant calculate the pressure exerted by the gas​

Answer 1

Answer:

If the volume is maintained constant:

From the ideal gas equation V = $\frac{nRT}{P}$

n and R are also constant here.

Therefore $\frac{T_{1} }{P_{1} } = \frac{T_{2} }{P_{2} }$

T$_{1}$ = 27°C = 300 K

T$_{2}$ = 97°C = 370 K

$P_{1} = 50 cm = 500 mmHg$

$\frac{300}{500} = \frac{370}{P_{2} }$

P$_{2}$ = 616.66 mm Hg or 61.66 cm Hg

Pressure exerted by gas at 97°C is 61.66 cm Hg

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