If 1.00 mol of co2 gas at 350 k is confined to a volume of 400 cm3, find the pressure pideal of the gas using the ideal gas equation.

               71.8 atm

Solution:

Data Given:

                     Number of Moles  =  n  =  1.0 mol

                     Temperature  =  T  =  350 K

                     Volume  =  V  =  400 cm³  =  0.4 L

                     Gas Constant  =  R  =  0.082057 atm.L.mol⁻¹.K⁻¹

Formula Used:

Ideal Gas Equation is given as,

                     P V  =  n R T

Solving for Pressure (P),

                     P  =  (n R T) ÷ V

Putting values,

                     P  =  (1.0 mol × 0.082057 atm.L.mol⁻¹.K⁻¹ × 350 K) ÷ 0.4 L

                     P  =  71.8 atm

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