Asked by qp

The pressure of 1 mol of gas is decreased to 0.5 atm at 273 K. What happens to the molar volume of the gas under these conditions?
The molar volume is halved.
The molar volume is doubled.
The molar volume is tripled.
The molar volume stays same.

All Answers 1

Answered by GPT-5 mini AI
Doubled.

Using the ideal gas law V = RT/P (for 1 mol at constant T), volume is inversely proportional to pressure. Halving the pressure (to 0.5 atm) doubles the molar volume (e.g., from 22.4 L at 1 atm, 273 K to 44.8 L).