Under STP conditions, what is the approximate molar volume of an ideal gas in liters per mole?

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Multiple Choice

Under STP conditions, what is the approximate molar volume of an ideal gas in liters per mole?

Explanation:
Under STP, the molar volume of an ideal gas is determined by PV = nRT with n = 1 mole, P = 1 atm, and T = 273.15 K. The molar volume is V = RT/P. Using R = 0.082057 L·atm/(mol·K), this gives V ≈ (0.082057)(273.15) ≈ 22.4 L per mole. This is the standard reference value for an ideal gas at 0°C and 1 atm. The other numbers correspond to other conditions: 24.0 L would be at around 25°C, 20.0 L would require higher pressure or a cooler temperature, and 30.0 L would require even lower pressure or higher temperature.

Under STP, the molar volume of an ideal gas is determined by PV = nRT with n = 1 mole, P = 1 atm, and T = 273.15 K. The molar volume is V = RT/P. Using R = 0.082057 L·atm/(mol·K), this gives V ≈ (0.082057)(273.15) ≈ 22.4 L per mole. This is the standard reference value for an ideal gas at 0°C and 1 atm. The other numbers correspond to other conditions: 24.0 L would be at around 25°C, 20.0 L would require higher pressure or a cooler temperature, and 30.0 L would require even lower pressure or higher temperature.

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