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?

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To solve this we assume that the gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. Molar volume is the V term in the equation. When the pressure is decreased, we can say that the volume will increase since they are inversely related.

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