Question

1. At 0°C and 5 atm, a given sample of gas occupies 75 L. The gas is compressed
to a final volume of 30 L. What is the final pressure?​

Answer 1

Answer:12.5 atm.

Explanation:

Answer 2

Concept:

According to Boyle's law, Volume of gas is inversely proportional to the pressure asserted on gas at constant temperature.

Given:

Initial Pressure, $P_{1} =5 atm$

Initial Volume, $V_{1} =75 L$

Temperature, $T_{1} = 273 K$

Final Volume, $V_{2} =30 L$

To Find:

We are asked to find the final pressure $P_{2}$

Solution:

According to boyle's law $P_{1}V_{1}=P_{2}V_{2}$

Formula to find $P_{2}$ is, $P_{2}=\frac{P_{1} V_{1} }{V_{2} }$

Putting the values,

$P_{2}=\frac{5*75}{30} =\frac{x}{y} =12.5 atm$

Hence the final pressure is $12.5 atm$

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