Question

1. A vessel of 120 mL capacity contains mass of a gas at 300C and 750 mm Hg pressure. The gas was

transferred to a vessel whose volume is 180 mL. Calculate the pressure of the gas at 3

0 .

​

Answer 1

Answer:

According to Boyle’s Law P1 V1 = P2 V2

Here the temperature is constant. Therefore

1.2 X 120 = P2 X 180

OR

P2 = 1.2 X 120 /180 = 0.8 bar

Therefore, the pressure would be 0.8 bar.

Explanation:

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