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Unformatted text preview: in creased in order to increase the Gibbs free energy of the gas mixture by (1/2) G M ? 8.3 You are responsible for the purchase of oxygen gas which, before use, will be stored at a pressure of 200 atm at 300 K in a cylindrical vessel of diameter 0.2 meters and height 2 meters. Would you prefer that the gas behaved ideally or as a van der Waals gas? The van der Waals constant for oxygen are a = 1.36 L 2 atm*mole-2 and b = 0.0318 L/mole 8.4 The virial equation of state for n-butane at 460 K is Z = 1 + A/V + B/V 2 in which A = -265 cm 3 /g-mole and B = 30250 cm 6 /g-mole 2 . Calculate the work required to reversibly compress 1 mole of n-butane from 50 to 100 atm at 460K....
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- Fall '11