Take Nitrogen To Be Van Der Waals

Take nitrogen to be a van der Waals gas with a = 1.352 dm6 atm mol-2 and b = 0.0387 dm3 mol-1, and calculate ∆Hm when the pressure on the gas is decreased from 500 atm to 1.00 atm at 300 K. For a van der Waals gas, .u= {(2a/RD – b}/Cp,m Assume Cp•m = 7/2 R.

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