3.3 Consider the variation of molar Gibbs energy with pressure.3.3.1 Write the mathematical expression for the slope of graph of molar Gibbs energy against3.3.2pressure at constant temperature.Draw in same diagram graphs showing variation with pressure of molar Gibbs energies of asubstance in gaseous, liquid and solid forms at constant temperature.3.3.3 Indicate in your graphs melting and boiling points.3.3.4 Indicate for the respective phases the regions of relative stability.

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Answered: 3.3 Consider the variation of molar…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter13: Spontaneous Processes And Thermodynamic Equilibrium

Section: Chapter Questions

Problem 14P

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Trouton's rule states that the molar enthalpy of Chemical AHvap Boiling AHfus Compound vaporization of a liquid that does not have strong molecular interactions such as hydrogen bonding or ion-ion attractions is given by formula (kJ-mol-1) point (K) (kJ-mol¬1) chloromethane CH;CI 21.40 249.06 6.43 AH vap (85 J. K-1. mol-') To H,0 water 40.65 373.15 6.01 where T, is the normal boiling point of the liquid hydrogen H,S 18.67 213.60 18.67 in kelvins. sulfide Apply Trouton's rule to estimate the value of AHvap for these compounds. chloromethane: AHvap kJ/mol
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