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Tutored Practice Problem 15.2.2 COUNTS TOWARDS GRADE interconvert Kp and K. values. Calculate Kp for the...
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K...
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K A mixture of CO and Cl, is allowed to react at 585 K CO(g) + Cl2(g) cOC2(g) The initial concentration of the reactants are [cO] = 0.3050 M and [Cl2] = 0.3390 M. After the system reaches equilibrium, it is found that the Ch concentration has decreased to 0.0659 M. Based on these data, determine the value of the equilibrium constant, K, for this...
Tutored Practice Problem 19.3.5 COUNTS TOWARDS GRADE Calculate temperature at which AGº changes sign. Close Calculate...
Tutored Practice Problem 19.3.5 COUNTS TOWARDS GRADE Calculate temperature at which AGº changes sign. Close Calculate the temperature (in kelvins) at which the sign of AGº changes from positive to negative for the reaction below. This corresponds to the temperature at which K<1 changes to K > 1. Assume that AH and AS are constant and do not change with temperature, Fe304(8) + 4H2(e) 3Fe(8) + 4H2O(g) AH° - 151 kJ/mol and AS - 169 J/K: mol Check & Submit...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy change. Close Pr Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction. N2(g) + O2(g) +2NO(g) K- Check & Submit Answer Show Approach
Tutored Practice Problem 15.2.3 COUNTS TOWARDS GRADE Manipulate equilibrium constant expressions. The equilibrium constant for the...
Tutored Practice Problem 15.2.3 COUNTS TOWARDS GRADE Manipulate equilibrium constant expressions. The equilibrium constant for the following reaction is 2.18x10-3 at-24°C. 2 NOBr(g)2 NO(g) + Br2(g) K-2.18x103 at -24 °C Calculate the equilibrium constant for the following reactions at -24 °C. (a) 2 NO(g) +Br2g NOBr(g) K- (b) NOBr(g)_NO(1/2 Br2(g) K- Check & Submit Answer Show Approach
Tutored Practice Problem 20.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using ΔHr and So...
Tutored Practice Problem 20.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using ΔHr and So values. Consider the reaction 4HCI(g) +02(g 2H20(g) 2C2(g) rxn* kJ/mol Check & Submit Answer Show Approach There is a second way to use thermodynamic data to calculate ΔGorm . Similar to the standard enth rxn
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and S...
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and So values. Consider the reaction CH4(g) + H2O(g)—_>3H2(g) + CO(g) Calculate the standard free energy change for this reaction at 25°C from AHºrn and AS rxn: AGºrxn = kJ/mol Check & Submit Answer Show Approach
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem...
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem The Pb2+ concentration in a saturated solution of lead chloride is measured and found to be 1.65x102 M. Use this information to calculate a K,p value for lead chloride. Ksp Check & Submit Answer Show Approach
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on...
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some COCl2 is allowed to dissociate into CO and Cl2 at 873 K. At equilibrium, [COCI2] =0.237 M, and [CO] - [C12] = 0.128 M. Additional CO is added so that (CO)new = 0.193 M and the system is allowed to once again reach equilibrium. COC12(8) CO(g) + Cl2(g) K-6.98*10-2 at 873K (a) In which direction will the reaction...
Close Problem Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Predict and calculate the effect of volume...
Close Problem Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Predict and calculate the effect of volume change on an equilibrium system. Consider the equilibrium between COBr2, CO and Br2. COBr2(g) PCO(g) + Brz(9) K = 0.254 at 350 K The reaction is allowed to reach equilibrium in a 8.60-L flask. At equilibrium, [COBr2] = 0.288 M, [CO] = 0.270 M and [Brz] = 0.270 M. (a) The equilibrium mixture is transferred to a 17.2-L flask. In which direction will the...
Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Close Problem Predict and calculate the effect of volume change on...
Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Close Problem Predict and calculate the effect of volume change on an equilibrium system. Consider the equilibrium between COBr2, CO and Br2 COBr2(g) CO(g)+ Br2(g) K 0.338 at 354 K The reaction is allowed to reach equilibrium in a 5.30-L flask. At equilibrium, [COBr2] 0.295 M and [Br2] = 0.257 M, [CO] 0.295 M. (a) The equilibrium mixture is transferred to a 10.6-L flask. In which direction will the reaction proceed to reach...
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K A mixture of CO and Cl, is allowed to react at 585 K CO(g) + Cl2(g) cOC2(g) The initial concentration of the reactants are [cO] = 0.3050 M and [Cl2] = 0.3390 M. After the system reaches equilibrium, it is found that the Ch concentration has decreased to 0.0659 M. Based on these data, determine the value of the equilibrium constant, K, for this...
Tutored Practice Problem 19.3.5 COUNTS TOWARDS GRADE Calculate temperature at which AGº changes sign. Close Calculate the temperature (in kelvins) at which the sign of AGº changes from positive to negative for the reaction below. This corresponds to the temperature at which K<1 changes to K > 1. Assume that AH and AS are constant and do not change with temperature, Fe304(8) + 4H2(e) 3Fe(8) + 4H2O(g) AH° - 151 kJ/mol and AS - 169 J/K: mol Check & Submit...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy change. Close Pr Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction. N2(g) + O2(g) +2NO(g) K- Check & Submit Answer Show Approach
Tutored Practice Problem 15.2.3 COUNTS TOWARDS GRADE Manipulate equilibrium constant expressions. The equilibrium constant for the following reaction is 2.18x10-3 at-24°C. 2 NOBr(g)2 NO(g) + Br2(g) K-2.18x103 at -24 °C Calculate the equilibrium constant for the following reactions at -24 °C. (a) 2 NO(g) +Br2g NOBr(g) K- (b) NOBr(g)_NO(1/2 Br2(g) K- Check & Submit Answer Show Approach
Tutored Practice Problem 20.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using ΔHr and So values. Consider the reaction 4HCI(g) +02(g 2H20(g) 2C2(g) rxn* kJ/mol Check & Submit Answer Show Approach There is a second way to use thermodynamic data to calculate ΔGorm . Similar to the standard enth rxn
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and So values. Consider the reaction CH4(g) + H2O(g)—_>3H2(g) + CO(g) Calculate the standard free energy change for this reaction at 25°C from AHºrn and AS rxn: AGºrxn = kJ/mol Check & Submit Answer Show Approach
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem The Pb2+ concentration in a saturated solution of lead chloride is measured and found to be 1.65x102 M. Use this information to calculate a K,p value for lead chloride. Ksp Check & Submit Answer Show Approach
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some COCl2 is allowed to dissociate into CO and Cl2 at 873 K. At equilibrium, [COCI2] =0.237 M, and [CO] - [C12] = 0.128 M. Additional CO is added so that (CO)new = 0.193 M and the system is allowed to once again reach equilibrium. COC12(8) CO(g) + Cl2(g) K-6.98*10-2 at 873K (a) In which direction will the reaction...
Close Problem Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Predict and calculate the effect of volume change on an equilibrium system. Consider the equilibrium between COBr2, CO and Br2. COBr2(g) PCO(g) + Brz(9) K = 0.254 at 350 K The reaction is allowed to reach equilibrium in a 8.60-L flask. At equilibrium, [COBr2] = 0.288 M, [CO] = 0.270 M and [Brz] = 0.270 M. (a) The equilibrium mixture is transferred to a 17.2-L flask. In which direction will the...
Tutored Practice Problem 15.4.2 COUNTS TOWARDS GRADE Close Problem Predict and calculate the effect of volume change on an equilibrium system. Consider the equilibrium between COBr2, CO and Br2 COBr2(g) CO(g)+ Br2(g) K 0.338 at 354 K The reaction is allowed to reach equilibrium in a 5.30-L flask. At equilibrium, [COBr2] 0.295 M and [Br2] = 0.257 M, [CO] 0.295 M. (a) The equilibrium mixture is transferred to a 10.6-L flask. In which direction will the reaction proceed to reach...
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