1.

Molar volume is the volume occupied by 1 mol of any (ideal) gas at standard temperature and pressure (STP: 1 atmospheric pressure, 0 °C). Show that it is 22.4 litres.​

Answer»

Answer

we know that,

A gas that satisfies the perfect gas equation at all PRESSURE and temperature is called as ideal gas.

The ideal gas equation which RELATES with pressure, VOLUME and absolute temperature is given as,

\bf PV = nRT

here,

  • R denotes the UNIVERSAL gas constant
  • N denotes number of moles
  • T denotes standard temperature
  • P denotes standard pressure

By substituting the values in the formula,

\dashrightarrow \sf PV = nRT

\dashrightarrow \sf V = \dfrac{ nRT}{P}

\dashrightarrow \sf V = \dfrac{1 \times 8.314 \times 273}{1.013 \times  {10}^{5} }

\dashrightarrow \sf V = 0.0224 \:  {m}^{3}

\dashrightarrow \sf V = 22.4 \: litres



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