12/14/2016 RWW09 Equilibrium and Thermodynamicshttp://www.webassign.net/web/Student/AssignmentResponses/view_key?dep=14314090 1/4Current Score : – / 100 Due : Wednesday, October 5 2016 11:59 PM EDT1. –/20 pointsConsider the following reaction:N2(g) + 3H2(g) 2NH3(g)Report all answers to three significant figures!a) Determine the standard free energy of the the reaction at 298K?Go = (No Response) 33.0 kJb) Determine the equilibrium constant at 298K?K = (No Response) 6.09e05c) Determine the reaction quotient when the partial pressures of the gases are the following.N2 = 6.10 atm; H2 = 11.00 atm; NH3 = 4.30 atmQ = (No Response) 2.28e03d) Determine the value of G when the reaction mixture is the one described in Part c.G = (No Response) 4.81e+01 kJRWW09 Equilibrium and Thermodynamics (Homework)Paddy SheehanCH 201, section 002, Fall 2016Instructor: Robert WarrenWebAssignThe due date for this assignment is past. Your work can be viewed below, but no changes can be made.12/14/2016 RWW09 Equilibrium and Thermodynamicshttp://www.webassign.net/web/Student/AssignmentResponses/view_key?dep=14314090 2/42. –/12 pointsConsider the following reaction at 298KNH41+ + CN1 HCN + NH3.Determine Go, Q, and G at 298K for the following concentrations if K = 1.70[NH3][NH41+][CN1][HCN]0.140 M 0.140 M 0.100 M 0.150 Ma. Go = (No Response) 1.315 kJ/mol.b. Q = (No Response) 1.500c. G = (No Response) 0.310kJ/mol.3. –/12 pointsThe heat of vaporization of a compound at 300. K is 28.7 kJ/mol and its vapor pressure is 249.3 torr.Determine the following thermodynamic properties of the vaporization at 300K:Go = (No Response) 2.78 kJ/molSo = (No Response) 86.4J/molKAssume that Ho and So are temperature independent and estimate the normal boiling point of thecompound to the nearest degree Celcius.t = (No Response) 59 oC12/14/2016 RWW09 Equilibrium and Thermodynamicshttp://www.webassign.net/web/Student/AssignmentResponses/view_key?dep=14314090 3/44. –/20 pointsThe vapor pressure of solid CO2 (dry ice) is 280 torr at 90. oC and 105 torr at 100. oC.a) What is the value of Go for the reaction CO2(s) CO2(g) at each temperature?90oC 100oCGo =(No Response) 1.52 (No Response) 2.85 kJ/molb) Use the above values for the standard free energies to determine the standard enthalpies andentropies for the sublimation. Assume both quantities are constant over this temperature range.So = (No Response) 0.133 kJ/molK Ho = (No Response) 25.9 kJ/molA dry ice bath is used routinely in the laboratory to keep things cold. It is made by mixing dry icepowder with a solvent to make a slurry. Estimate the temperature of the bath to the nearest degreeCelcius by determining the temperature at which the vapor pressure of CO2 is 1 atm.t = (No Response) 78 oC5. –/12 pointsThe equilibrium constant of a reaction is 3.55e+02 at 375 K and 6.03e+03 at 500 K. Determine thefollowing for this reaction:Ho= (No Response) 3.532e+01 kJ/molSo= (No Response) 1.430e+02J/molKWhat is the value of the equilibrium constant at 438 K?K= (No Response) 1.81e+0312/14/2016 RWW09 Equilibrium and Thermodynamicshttp://www.webassign.net/web/Student/AssignmentResponses/view_key?dep=14314090 4/46. –/24 pointsConsider the reactionTiO2(s) + 2C(graphite) + 2Cl2(g) TiCl4(g) + 2CO(g)Determine the following at 298 K:Ho = (No Response) 39.54 kJ/mol So = (No Response) 241 J/molK Go = (No Response) 111.6 kJ/molWhat is log K at 298K (log K = ln K/2.3026)?log K = (No Response) +19.56 (Hint log K = (ln K)/2.3026)Assume that Ho and So are temperature independent to determine the following at 1000 K.Go = (No Response) 280.54 kJ/mol log K = (No Response) +14.653 (log K = ln
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