First slide

laws

Question

20 g of a gas occupies a 100 cc volume at 10⁵ dyne/cm². If during an isothermal process, the pressure is changed to 10⁴ dyne/cm2, the volume of the gas in cc will be:

Easy

A

10
B

50
C

200
D

1000

Solution

$P_{1} V_{1} = P_{2} V_{2} \Rightarrow V_{2} = \frac{P_{1} V_{1}}{P_{2}} = \frac{10^{5} \times 100}{10^{4}} = 1000 cc$

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