At low pressures, the compressibility factor of a van der Waals gas is given by the equation: Z = 1+ (b-a/RT) P/RT Calculate ΔG (in units J/mol) associated with the isothermal compression of nitrogen gas at 298 K from 10 bar to 25 bar. The van der Waals constants of nitrogen gas are a = 1.408 L^2-bar-mol and b = 0.03913 L-mol^-1

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