Exactly 0.72 moles of gaseous molecular nitrogen, N2 (g), (considered ideal) are compressed isothermally (25.0 C) from an initial pressure of 1.08 atm to a final pressure of 1.91 atm under a constant external pressure of 1.91 atm. Calculate the change in entropy for the Universe, ÎSUniverse, in J/K for this process.

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13 Dec 2019

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Entropy Change for the Universe as a Result of Crystallization Away from Equilibrium: Consider the crystallization of 0.250 mol of ethanol liquid at - 84o C and 1.00 bar. Calculate the total entropy change for the universe in J/K. Make sure you know what the sign of ÎSUniverse indicate. The standard melting point of ethanol under a pressure of 1.00 bar is - 114o C and the standard enthalpy of fusion at this temperature is ÎfusHo = 4.9 kJ.mol-1 . The standard specific heat capacities at constant pressure for ethanol solid and liquid are 0.97 J/g.K and 2.3 J/g.K, respectively.Show all work and equations

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