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ANSWER:
In this problem, temperature is assumed to be 298 K or 25°C which is taken as room temperature in thermodynamics.
![a) The balanced equation is - Corgo + 1 219) Ozig) Now, Assys = { Sproducts - Sreactants - Scopeg) - [Scogs + 1 - Sold)] = (2](http://img.homeworklib.com/questions/5808d180-709c-11ea-99e5-f7f9a5e68f43.png?x-oss-process=image/resize,w_560)
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Using the equation and thermodynamic data: CO(g) + O2(g) --> CO2(g) (unbalanced) AH(rxn) = -566.0 kJ...
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?
7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Expl...
7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Explain your answer c) Is the reaction spontaneous? AS univ = (ASsurr) + ( ASsys)
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) +...
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...
llicients. (unbalanced] C2H6(8) + O2(8) — CO2(g) + H2O(g) V C2H6()] = -84.667 kJ/mol Ah (CO2())...
llicients. (unbalanced] C2H6(8) + O2(8) — CO2(g) + H2O(g) V C2H6()] = -84.667 kJ/mol Ah (CO2()) = -393.5 kJ/mol AHCO2(aq)] =-412.9 kJ/mol 120(g) = -241.826 kJ/mol AHH,00=-285.840 kJ/mol kJ
Which one of the following is NOT true? If Ано, =-115 kJ and as rxn --...
Which one of the following is NOT true? If Ано, =-115 kJ and as rxn -- +263 J/K, then ASuniv> 0 at all temperatures rxn The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, is not spontaneous at any temperature rxn = +113.5 kJ, The following reaction • 2 H2S(g) → S2(g) + 2 H2(g) Ahº, rxn = +169.8 kJ has a AS surrof - 570 J/K at 298 K For the following reaction 2CO(g) + O2(e) →...
10) pts) For the unbalanced equation: C6H6 (1) + O2(g) → CO2(g) + H20 (1) AH...
10) pts) For the unbalanced equation: C6H6 (1) + O2(g) → CO2(g) + H20 (1) AH = - 6535 kJ. What is AH when 45.67 g of CO2 is produced? Cottotit O2(g) 02 (g) thout Solo 2 11) (12 pts) A scientist mixed 25.00 mL of 2.00 M KOH with 25.00 mL of 2.00 M HBr. The temperature of the mixed solution rose from 22.7 °C to 31.9°C. Assume that the volumes are additive, and the density of the solution...
→ Fe(s) + CO2(g), AGº is - 5.8 kJ and AH° is -11 kJ. Sº (J...
→ Fe(s) + CO2(g), AGº is - 5.8 kJ and AH° is -11 kJ. Sº (J mol-? K-'); 4. For the reaction Fe(s) + CO(g) Fe (27.3), CO(197.5), CO (213.7) a) What is AS sur? [37 JK-'] b) Use AG to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. c) Use AS univ to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. d) What is Sº for FeO? [61 J mol-'K-']
4) What is AH°rxn for the following reaction? 2C8H18(1) + 1702(g) → 16CO(g) + 18H20(1) Use...
4) What is AH°rxn for the following reaction? 2C8H18(1) + 1702(g) → 16CO(g) + 18H20(1) Use the 2 reactions below: 2C8H18(1) + 2502(g) → 16CO2(g) + 18H20(1) 2CO(g) + O2(g) → 2C02(g) AH°rxn =-11020. kJ/mol AH°rxn =-566.0 kJ/mol A) -6492 kJ/mol B) +6492 kJ/mol C) -1964 kJ/mol D) -11020. kJ/mol E) -11586 kJ/mol
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN...
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN 01 203(g) 302(8) RXN 02 2 NO2(8) N204(8) RXN 03 RXN 02 only RXN 01 and RXN 02 RXN 01 only All three of the reactions None of the reactions RXN03 only RXN 02 and RXN 03 ORXN 01 and RXN03 - You have a process that is: Endothermic, Entropy decreases. Choose the best answer: O always non-spontaneous O spontaneous at high temperatures O...
Answer both question below. Show all work and chemical equations. 1. Using the information below answer...
Answer both question below. Show all work and chemical equations. 1. Using the information below answer questions a to c. Ca sº = 41.6 J/mol K CaCO3 (s) sº = 91.7 J/mol K AH° = -1207.6 kJ/mol O2 Sº = 205.2 J/mol K Cao (s) S0 = 38.1 J/mol K AH = -634.9 kJ/mol CO2 (g) sº = 213.8 J/mol K AH° = -393.5 kJ/mol AH° O2 = 0 kJ/mol AH° Ca= 0 kJ/mol a) Calculate AS9rxn and AH°rxn for...
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?
7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Explain your answer c) Is the reaction spontaneous? AS univ = (ASsurr) + ( ASsys)
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...
llicients. (unbalanced] C2H6(8) + O2(8) — CO2(g) + H2O(g) V C2H6()] = -84.667 kJ/mol Ah (CO2()) = -393.5 kJ/mol AHCO2(aq)] =-412.9 kJ/mol 120(g) = -241.826 kJ/mol AHH,00=-285.840 kJ/mol kJ
Which one of the following is NOT true? If Ано, =-115 kJ and as rxn -- +263 J/K, then ASuniv> 0 at all temperatures rxn The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, is not spontaneous at any temperature rxn = +113.5 kJ, The following reaction • 2 H2S(g) → S2(g) + 2 H2(g) Ahº, rxn = +169.8 kJ has a AS surrof - 570 J/K at 298 K For the following reaction 2CO(g) + O2(e) →...
10) pts) For the unbalanced equation: C6H6 (1) + O2(g) → CO2(g) + H20 (1) AH = - 6535 kJ. What is AH when 45.67 g of CO2 is produced? Cottotit O2(g) 02 (g) thout Solo 2 11) (12 pts) A scientist mixed 25.00 mL of 2.00 M KOH with 25.00 mL of 2.00 M HBr. The temperature of the mixed solution rose from 22.7 °C to 31.9°C. Assume that the volumes are additive, and the density of the solution...
→ Fe(s) + CO2(g), AGº is - 5.8 kJ and AH° is -11 kJ. Sº (J mol-? K-'); 4. For the reaction Fe(s) + CO(g) Fe (27.3), CO(197.5), CO (213.7) a) What is AS sur? [37 JK-'] b) Use AG to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. c) Use AS univ to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. d) What is Sº for FeO? [61 J mol-'K-']
4) What is AH°rxn for the following reaction? 2C8H18(1) + 1702(g) → 16CO(g) + 18H20(1) Use the 2 reactions below: 2C8H18(1) + 2502(g) → 16CO2(g) + 18H20(1) 2CO(g) + O2(g) → 2C02(g) AH°rxn =-11020. kJ/mol AH°rxn =-566.0 kJ/mol A) -6492 kJ/mol B) +6492 kJ/mol C) -1964 kJ/mol D) -11020. kJ/mol E) -11586 kJ/mol
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN 01 203(g) 302(8) RXN 02 2 NO2(8) N204(8) RXN 03 RXN 02 only RXN 01 and RXN 02 RXN 01 only All three of the reactions None of the reactions RXN03 only RXN 02 and RXN 03 ORXN 01 and RXN03 - You have a process that is: Endothermic, Entropy decreases. Choose the best answer: O always non-spontaneous O spontaneous at high temperatures O...
Answer both question below. Show all work and chemical equations. 1. Using the information below answer questions a to c. Ca sº = 41.6 J/mol K CaCO3 (s) sº = 91.7 J/mol K AH° = -1207.6 kJ/mol O2 Sº = 205.2 J/mol K Cao (s) S0 = 38.1 J/mol K AH = -634.9 kJ/mol CO2 (g) sº = 213.8 J/mol K AH° = -393.5 kJ/mol AH° O2 = 0 kJ/mol AH° Ca= 0 kJ/mol a) Calculate AS9rxn and AH°rxn for...
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