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Question 2 1 pts What is the temperature (in °C to one decimal place) at which...
AH = 44.0 kJ/mol AS = 0.119 kJ/mol K The following reaction takes place at 120°C:...
AH = 44.0 kJ/mol AS = 0.119 kJ/mol K The following reaction takes place at 120°C: H20(1) - H2O(g) Which of the following must be true? Select one: O a. Two of these O b. The reaction is not spontaneous O c The reaction is spontaneous. O d. AG = 0 e. AGO
in 19 The following reaction takes place at 120°C-H 0(1) - H 0(g) Which of the...
in 19 The following reaction takes place at 120°C-H 0(1) - H 0(g) Which of the following must be true? AH = 44.0 kJ mol AS = 0.119 kJ mol K ered ed out of Ein Select one: a. The reaction is spontaneous Flag question b. The reaction is not spontaneous CAG=0 d. AGO e. Two of these Finish attempt. Time left 3:13:19 e lp @ NI Wololol **** 2x Cy BN м.
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5...
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5 D and the enthalpies of formation provided in the table below. ΔΗ, Compound (kJ/mol) 314.5 - 166.5 -81.3 Suppose that the AH of the overall reaction is 250.2 kJ/molrxn. Calculate the value of the AH of B in kJ/mol. Report your answer to three decimal places (ignore significant figures). 9:32 Exit Question 3 1 pts 6 Consider the balanced reaction 8 A+ 5 B...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state)...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state) for the reaction below is -8.6 kJ/mol. What is ao for this reaction at 37°C when [A)-0.2 M [B-0.2 M, (C]-0.4 M, and ID)-0.6 M? ABCDase A BCD 3.98 J/mol O -4.16 KJ/mol 0-13.22kJ/mol 0 6.81k/moll DI Question 4 2 pts Which one of the following statements is true? 0 if ΔG is negative, the reaction will be spontaneous. Exothermic reactions are always spontaneous....
Consider the reaction: 2NO(g) + Cl2(g) → 2NOCI(g) Given the following table of thermodynamic data, Substance...
Consider the reaction: 2NO(g) + Cl2(g) → 2NOCI(g) Given the following table of thermodynamic data, Substance NO (g) Cl2(g) NOCI (g) AH (kJ/mol) 90.3 0 sº (/mol.K) 210.7 223.0 51.7 261.6 Calculate Ahºrxn and AS rxn and determine the temperature at which the reaction switches from being spontaneous to being non-spontaneous.
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH...
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
Chemistry midterm help please! <3 7. What is the difference between the AU and AH of...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
QUESTION 9 If two reactions are coupled, then 2. A product of one reaction is a...
QUESTION 9 If two reactions are coupled, then 2. A product of one reaction is a reactant of the other, and the overall process is product-favored. b. A product of one reaction is a reactant of the other, and the overall process is reactant-favored C. The heat released from an exothermic reaction is used in an endothermic reaction. The Gibbs free energy released from a product-favored reaction is released to the surroundings. causing an increase in entropy for a second...
X. (15 pts) For the following reaction: Н Н H20 "ОН Н Н BDE (kJ/mol) bond...
X. (15 pts) For the following reaction: Н Н H20 "ОН Н Н BDE (kJ/mol) bond 264 Н-ОН 498 Н-СНз 435 С-ОН 381 a. calculate AH for the reaction b. what is the sign of AS? Explain. c. write the expression for AG. wAM d. what is the sign of AG for a spontaneous reaction? e. Would the reaction be spontaneous at high or low temperature? Explain
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn...
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn = AH) at T = 298 K? O 2 Fe (s) + 1.5 O2() → Fe2O3(s) O N2(1) + 2 O2(1) ► N204(1) O CO(g) + 2H2(g) + CH3OH(1) O C(s, graphite) + H2(g) + O2(g) → C6H1206(s) O Cl2(g) + H2(g) →2 HCl(g) Question 4 1 pts A sample of 1.71 moles of a substance was burned in a constant pressure calorimeter. The...
AH = 44.0 kJ/mol AS = 0.119 kJ/mol K The following reaction takes place at 120°C: H20(1) - H2O(g) Which of the following must be true? Select one: O a. Two of these O b. The reaction is not spontaneous O c The reaction is spontaneous. O d. AG = 0 e. AGO
in 19 The following reaction takes place at 120°C-H 0(1) - H 0(g) Which of the following must be true? AH = 44.0 kJ mol AS = 0.119 kJ mol K ered ed out of Ein Select one: a. The reaction is spontaneous Flag question b. The reaction is not spontaneous CAG=0 d. AGO e. Two of these Finish attempt. Time left 3:13:19 e lp @ NI Wololol **** 2x Cy BN м.
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5 D and the enthalpies of formation provided in the table below. ΔΗ, Compound (kJ/mol) 314.5 - 166.5 -81.3 Suppose that the AH of the overall reaction is 250.2 kJ/molrxn. Calculate the value of the AH of B in kJ/mol. Report your answer to three decimal places (ignore significant figures). 9:32 Exit Question 3 1 pts 6 Consider the balanced reaction 8 A+ 5 B...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state) for the reaction below is -8.6 kJ/mol. What is ao for this reaction at 37°C when [A)-0.2 M [B-0.2 M, (C]-0.4 M, and ID)-0.6 M? ABCDase A BCD 3.98 J/mol O -4.16 KJ/mol 0-13.22kJ/mol 0 6.81k/moll DI Question 4 2 pts Which one of the following statements is true? 0 if ΔG is negative, the reaction will be spontaneous. Exothermic reactions are always spontaneous....
Consider the reaction: 2NO(g) + Cl2(g) → 2NOCI(g) Given the following table of thermodynamic data, Substance NO (g) Cl2(g) NOCI (g) AH (kJ/mol) 90.3 0 sº (/mol.K) 210.7 223.0 51.7 261.6 Calculate Ahºrxn and AS rxn and determine the temperature at which the reaction switches from being spontaneous to being non-spontaneous.
5. Above what temperature does the following reaction become nonspontaneous AS = -153.2 J/K Given: AH = -1036 k); 2 H2(g) + 3 O2(g) → 2 502(g) + 2 H20(g) AG - AH' - TAS 46 = -1036000 -(T)(-153.2) = 0 6. What is the minimum temperature required for the spontaneous conversion of Cla(I) to CCL() Given: AH"vap) is 57.3 kJ/mol and ASva) is 164 J/(mol)? AG AH - TAS = 298 K 06 = 57300 - (298)(164) 46°= 8428...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
QUESTION 9 If two reactions are coupled, then 2. A product of one reaction is a reactant of the other, and the overall process is product-favored. b. A product of one reaction is a reactant of the other, and the overall process is reactant-favored C. The heat released from an exothermic reaction is used in an endothermic reaction. The Gibbs free energy released from a product-favored reaction is released to the surroundings. causing an increase in entropy for a second...
X. (15 pts) For the following reaction: Н Н H20 "ОН Н Н BDE (kJ/mol) bond 264 Н-ОН 498 Н-СНз 435 С-ОН 381 a. calculate AH for the reaction b. what is the sign of AS? Explain. c. write the expression for AG. wAM d. what is the sign of AG for a spontaneous reaction? e. Would the reaction be spontaneous at high or low temperature? Explain
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn = AH) at T = 298 K? O 2 Fe (s) + 1.5 O2() → Fe2O3(s) O N2(1) + 2 O2(1) ► N204(1) O CO(g) + 2H2(g) + CH3OH(1) O C(s, graphite) + H2(g) + O2(g) → C6H1206(s) O Cl2(g) + H2(g) →2 HCl(g) Question 4 1 pts A sample of 1.71 moles of a substance was burned in a constant pressure calorimeter. The...
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