What is the volume of a gas that exerts a pressure of 457 mm Hg if it exerted a pressure of 2.50 atm when its volume was 25.0 mL?

Question

Quizplus · Accepted Answer

We can use the combined gas law to solve for the final volume:

P1V1/T1 = P2V2/T2

We are given P1, V1, and P2, and we can assume that the temperature and amount of gas remain constant. Therefore:

V2 = (P1V1)/(P2) = (457 mm Hg)(25.0 mL)/(2.50 atm) = 4565.8 mL

However, we need to convert the volume to liters:

V2 = 4565.8 mL × (1 L/1000 mL) = 4.5658 L

Therefore, the volume of the gas is 0.104 L (rounded to three significant figures).

What Is the Volume of a Gas That Exerts a Pressure