Question
Under which conditions does the molar volume of a gas decrease? at 273 K and at 2.0 atm at 273 K and at 0.5 atm at 409.5 K and at 1.0 atm at 546 K and at 2.0 atm
Ask by Li Ross.
Mar 05,2025 15:27
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The molar volume of a gas decreases at 273 K and 2.0 atm.
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Bonus Knowledge
The molar volume of a gas decreases with an increase in pressure at constant temperature due to gas compressibility. So, at 273 K and 2.0 atm, the gas molecules are forced closer together, reducing the volume they occupy.
Moreover, at higher temperatures, gas molecules have increased kinetic energy, causing them to spread apart. However, if the pressure is simultaneously increased (as in the case at 546 K and 2.0 atm), the molar volume can still decrease despite the higher temperature. Hence, the combination of high pressure and temperature influences gas behavior significantly!
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