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a. A process has standard-state thermodynamic values of AH° = -25.75 kJ/mol and 45º = -75.4...
The following reaction has the thermodynamic values at 298 K: AH° =-136.9 kJ/mol and AS" =...
The following reaction has the thermodynamic values at 298 K: AH° =-136.9 kJ/mol and AS" = -120.6 J/mol K. HаС — СHз (9) Нас— CHz (0) + Hа (0) a. Calculate AG° at 298 K for this reaction in kJ/mol (Enter your answer to four significant figures.) kJ/mol b. The reaction is c. The reaction is.
Post Lab Questions: 1. For the solubility of borax, the accepted thermodynamic values are AH =...
Post Lab Questions: 1. For the solubility of borax, the accepted thermodynamic values are AH = 100. KJ/mol and AS = +300.J/K. Calculate percent error for the values you determined in the experiment.
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is...
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What...
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What is AGº at 300 K for this process? A) -23.0 kJ/mol B) -2.06 kJ/mol C) +33.4 kJ/mol D) +1.24 kJ/mol cd2 (aq) + 2e Sn2 30. A spontaneous voltaic cell is based on the following two standard half-reactions: (aq) + 2e Cd (w) Eº red (Ca/Cd) = -0.40 V → Sn) Ered (Sn/Sn) = -0.14 V What is the standard cell potential, Ecell? A)...
problem 8.1 The change of state from liquid H,Oto gaseous H.Ohas AH- +9.72 kcal/mol (+40.7 kJ/mol)...
problem 8.1
The change of state from liquid H,Oto gaseous H.Ohas AH- +9.72 kcal/mol (+40.7 kJ/mol) and AS +26.1 cal/mol K) [+109 J/(molK) Review Constants What are the values of AH (in kcal/mol and kJ/mol for the change from gaseous to liquid H,0? Enter your answers numerically separated by a comma. AH kcal/mol. kJ/mol Submit Request Answer Part C What are the values of AS (in cal/mol · K) and J/(mol-K)) for the change from gaseous to liquid H. Enter...
CO(g) + O2(g) -> CO2(g) (unbalanced) Using the equation and thermodynamic data: AH(rxn) --566.0 kJ (for the bal...
CO(g) + O2(g) -> CO2(g) (unbalanced) Using the equation and thermodynamic data: AH(rxn) --566.0 kJ (for the balanced equation) Substance sºu/mol*K) O2(g) 205.0 CO(g) 197.7 CO2(g) 213.8 NOTE: Write all answers to four significant figures. a. What is the Assys(J/mol*K) - b. What is the Assurr(J/mol*K) = c. What is the Asuniv(J/mol*K) - d. At what temperature(°C) will the reaction go from spontaneous to non-spontaneous?
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol,...
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol, and the standard molar enthalpy of formation of SO2(g) is AH = -296.8 kJ/mol (both at 298 K). Use this information, along with the standard molar enthalpy change of the following reaction at 298K, 2 FeS21s) + 11/2O2(g) → Fe2O3 + 4 SO2(g) AH = -1655 kJ/mol To determine the standard molar enthalpy change of the reaction shown below are 298 K: Fe(s) +...
Under certain condition for the reaction A - B AH = 17.2 kJ and AS =...
Under certain condition for the reaction A - B AH = 17.2 kJ and AS = 22 J/K. At what temperature in K is the reaction at equilibrium? Hint given in feedback.
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde...
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde : H.,--186 k/moi s'u-304.40 J/(mol K) Dihydrogen: H A -256 kJ/molSA 322.49 J/(mol K) Soc 130.68 J/(mol K) ) (4 points) Evaluate the standard enthalpy change of reaction (AH)at 298 K. ii (6 points Calculate the equilibrium constant at 298 K ) (8 points) Determine the equilibrium constant for this reaction...
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS =...
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS = -125.2 J/(mol*K) Is this reaction spontaneous or non-spontaneous? Select one: a. non-spontaneous. o b. spontaneous. c. more information is needed to determine.
The following reaction has the thermodynamic values at 298 K: AH° =-136.9 kJ/mol and AS" = -120.6 J/mol K. HаС — СHз (9) Нас— CHz (0) + Hа (0) a. Calculate AG° at 298 K for this reaction in kJ/mol (Enter your answer to four significant figures.) kJ/mol b. The reaction is c. The reaction is.
Post Lab Questions: 1. For the solubility of borax, the accepted thermodynamic values are AH = 100. KJ/mol and AS = +300.J/K. Calculate percent error for the values you determined in the experiment.
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What is AGº at 300 K for this process? A) -23.0 kJ/mol B) -2.06 kJ/mol C) +33.4 kJ/mol D) +1.24 kJ/mol cd2 (aq) + 2e Sn2 30. A spontaneous voltaic cell is based on the following two standard half-reactions: (aq) + 2e Cd (w) Eº red (Ca/Cd) = -0.40 V → Sn) Ered (Sn/Sn) = -0.14 V What is the standard cell potential, Ecell? A)...
problem 8.1
The change of state from liquid H,Oto gaseous H.Ohas AH- +9.72 kcal/mol (+40.7 kJ/mol) and AS +26.1 cal/mol K) [+109 J/(molK) Review Constants What are the values of AH (in kcal/mol and kJ/mol for the change from gaseous to liquid H,0? Enter your answers numerically separated by a comma. AH kcal/mol. kJ/mol Submit Request Answer Part C What are the values of AS (in cal/mol · K) and J/(mol-K)) for the change from gaseous to liquid H. Enter...
CO(g) + O2(g) -> CO2(g) (unbalanced) Using the equation and thermodynamic data: AH(rxn) --566.0 kJ (for the balanced equation) Substance sºu/mol*K) O2(g) 205.0 CO(g) 197.7 CO2(g) 213.8 NOTE: Write all answers to four significant figures. a. What is the Assys(J/mol*K) - b. What is the Assurr(J/mol*K) = c. What is the Asuniv(J/mol*K) - d. At what temperature(°C) will the reaction go from spontaneous to non-spontaneous?
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol, and the standard molar enthalpy of formation of SO2(g) is AH = -296.8 kJ/mol (both at 298 K). Use this information, along with the standard molar enthalpy change of the following reaction at 298K, 2 FeS21s) + 11/2O2(g) → Fe2O3 + 4 SO2(g) AH = -1655 kJ/mol To determine the standard molar enthalpy change of the reaction shown below are 298 K: Fe(s) +...
Under certain condition for the reaction A - B AH = 17.2 kJ and AS = 22 J/K. At what temperature in K is the reaction at equilibrium? Hint given in feedback.
4. The gas-phase dehydrogenation of propanol (A) to yield propionaldehyde (B) is in equilibrium at 230°C. Standard thermodynamic data for the reaction species at 298 K are: Propanol: Propionaldehyde : H.,--186 k/moi s'u-304.40 J/(mol K) Dihydrogen: H A -256 kJ/molSA 322.49 J/(mol K) Soc 130.68 J/(mol K) ) (4 points) Evaluate the standard enthalpy change of reaction (AH)at 298 K. ii (6 points Calculate the equilibrium constant at 298 K ) (8 points) Determine the equilibrium constant for this reaction...
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS = -125.2 J/(mol*K) Is this reaction spontaneous or non-spontaneous? Select one: a. non-spontaneous. o b. spontaneous. c. more information is needed to determine.
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