Question:
What will be the molar volume of nitrogen and argon at 273.15 K and 1 atm?
Solution:
When temperature and pressure of a gas are 273.15 K (or 0°C) and 1 atm
(or 1 bar or 105 pascal), such conditions are called standard temperature and pressure conditions (STP). Under these conditions, the volume
occupied by 1 mole of each and every gas is 22.4 L. Hence, the molar volume of N2 and Ar at 273.15 K and 1 atm is 22,4 L.
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