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The enthalpy of vaporization of ethanol is 38.7 kj/mol at its boiling point (78C). Determine ΔS sys, ΔS surr and ΔS univ when 1.00 mole of ethanol is vaporized at 78 C and 1.00 atm.   Also my question is if ΔS univ = Δ S sys + Δ S surr, and Δ S surr = -ΔH/T then Δ S sys uses what formula

The enthalpy of vaporization of ethanol is 38.7 kj/mol at its boiling point (78C). Determine ΔS sys, ΔS surr and ΔS univ when 1.00 mole of ethanol is vaporized at 78 C and 1.00 atm.   Also my question is if ΔS univ = Δ S sys + Δ S surr, and Δ S surr = -ΔH/T then Δ S sys uses what formula

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.104QP
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The enthalpy of vaporization of ethanol is 38.7 kj/mol at its boiling point (78C). Determine ΔS sys, ΔS surr and ΔS univ when 1.00 mole of ethanol is vaporized at 78 C and 1.00 atm.

 

Also my question is if ΔS univ = Δ S sys + Δ S surr,

and Δ S surr = -ΔH/T

then Δ S sys uses what formula

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