Quiz 4 - Chemistry 152A Quiz # 4 (April 29, 2008) Name _...

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Chemistry 152A Tuesday Quiz (@ end of period) Quiz # 4 (April 29, 2008) Value: 10 points; Time: 10 minutes Name _ __KEY__ ___________________ Section _________________ Compare with problem Z10.67 ln o GH T SG R T Δ= Δ−Δ= Δ + Q () ( ) 8.3 273 J R T K T C PV nRT mol K == + ° = For all of the short answer questions below, explain your conclusion. Q4) Consider the following reaction at 298K: ( ) ( )( 22 3 SO g O g SO g + R ) and 150 o rxn kJ G rxn a) An equilibrium mixture contains ( ) 2 Og and ( ) 3 SO g at partial pressures of 0.5 atm and 2.0 atm, respectively. Determine the equilibrium partial pressure of in the mixture. () 2 SO g ( ) {} 2 26 2 2 3 2 13 0 ln 150 2.47ln 150 ln 61 ln 10 2.47 2 ln ln ln ln8 2ln 2 1 ln 0.5 61 2 1 ln ln 30 10 0 o SO SO SO SO SO GG R T Q Q QK Q PSO QP PSO PO PP P =Δ =Δ + =− + = = ⎧⎫ ⎪⎪ = = ⎨⎬ ⎩⎭ =⋅− = = P b) Does this reaction favor products or reactants?
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This note was uploaded on 05/02/2008 for the course CHEM 142,152,16 taught by Professor Unknown during the Fall '08 term at University of Washington.

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