If you apply the Gibbs-Duhem equation to an ideal 2 component solution, which of the following expressions can you derive (which expression is correct for an ideal 2 component system)? Hint: the chemical potential for an ideal solution is defined as 4 = u, + RT In aj. O P: () dr=-P; () dzz aIn a In z ala P O P: () dzi = -P: () das P: ( aIn dri =-12 ) dzz () dzz a In P 8In P dri = -22 OP ( dz; = -P, ( daz dr2 a ln P OR() dz = -P, () dz, 8 in P

If you apply the Gibbs-Duhem equation to an ideal 2 component solution, which of the following expressions can you derive (which expression is correct for an ideal 2 component system)? Hint: the chemical potential for an ideal solution is defined as 4 = u, + RT In aj. O P: () dr=-P; () dzz aIn a In z ala P O P: () dzi = -P: () das P: ( aIn dri =-12 ) dzz () dzz a In P 8In P dri = -22 OP ( dz; = -P, ( daz dr2 a ln P OR() dz = -P, () dz, 8 in P

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter13: Solutions And Their Behavior

Section: Chapter Questions

Problem 16PS: Use the following data to calculate the enthalpy of solution of sodium perchlorate, NaClO4:...

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Use the following data to calculate the enthalpy of solution of sodium perchlorate, NaClO4: fH(s)=382.9kJ/mol and fH(aq,1m)=369.5kJ/mol
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4. The reaction of metallic cobalt (Co) with oxygen can be described by Co(s) + O2 CoO(s) in which the label (s) indicates reactants and products in a solid form. The Gibbs energy change for this reaction at oxygen pressure po, = latm is given by the expression, kJ AG (T) = -500.8- kJ =)T molK mol + (0.164- in which T is the temperature in kelvin. This energy change is per mole of O2 consumed. You might refer to the Ellingham diagram discussed in class and included in the lecture slides to see if the numbers seem to match the plot for that particular reaction. a) Recall that AG = AH - TAS, and that AH and AS only display a weak temperature dependence. Compare to the above equation for AG, What does that tell you about the sign of AS for the reaction? Is it positive or negative? Explain why the sign makes sense for that particular reaction, and also note the slope of this reaction in the Ellingham diagram. Is it consistent? Note that the slopes in the Ellingham diagram relate to the…
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2-gibbs Without doing any calculations, match the following thermodynamic properties with their appropriate numerical sign for the following endothermic reaction. CHĄ(g) + H,0(g)- →CO(g) + 3H2(g) Clear All > 0 Puniverse 0 low T, 0 high T