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Using a) trapezoidal rule (n = 50) and b) Simpson's rule (n = 50), determine the change in Gibbs energy, Ag, of N₂ at 310 K, 1.4×106 Pa and at 310 K, 1.4×10² Pa using the Van der Waals (VDW) equation of state (EOS). RT a P = v-b v2 For N₂, a = 1.370 L²-bar/mol², b = 0.0387 L/mol Ag = |vd ZRT V P ap A = (RT)² bP B RT Z is the "largest" root of the equation Z³ − (1 + B)Z² + AZ - AB = 0 Show your first three sets of sample calculations. vdp

A system consisting of 0.20 mol of supercooled gaseous water (95°C, 1 bar) partially condenses to liquid water; the process is done adiabatically at constant pressure.         At equilibrium, what is the temperature of the system? How many moles of gaseous water have condensed? Calculate the entropy change for the process.

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The vapor pressure of cyclohexane at 300 K is 0.14139 bar. What is the phase of cyclohexane at 310 K and 0.14139 bar? a) superheated vapor b) compressed liquid c) saturated vapor d) saturated liquid e) two-phase mixture f) We need more information.