Consider a fuel cell that uses the reaction C2H4(g) + 302(g) + 2C02(g) + 2H2O(1) Using...
Consider a fuel cell that uses the reaction C2H4(g) + 302(g) → 2C02(g) + 2H2O(1) Using the standard free energies of formation, what is the value of Eº for the cell reaction? Substance and State AG(kJ/mol) C2H4(g) 68.1 CO2(g) -394.4 H2O(1) -237.2 02(g) 0 Express your answer with the appropriate units. I HÅR O 2 ? E° = 3.45 V Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining
Part A Consider a fuel cell that uses the reaction C2H4 (g)302(g) -2CO2(g) 2H20(1 Using the standard free energies of formation, what is the value of E° for the cell reaction? Substance and StateAG C2H4(g) CO2 (g) (kJ/mol) 68.1 -394.4 H20() O2(g) -237.2 0 Express your answer with the appropriate units. HA ? Value Units E° Previous Answers Request Answer Submit
Consider a fuel cell that uses the reaction 2C2 H2 (g)502 (g) -» 4CO2(g) 2H20(1) Using the standard free energies of formation, what is the value of E for the cell reaction? Substance and State AG (kJ/mol) C2H2 (g) 209.9 CO2 (g) -394.4 H2O(I) -237.2 O2(g) 0 Express your answer with the appropriate units.
For the following reaction: C2H4(9) +302(g) + 2C02(g) + 2H2O(1) What is the change in free energy in kJ ? The relevant standard free energies of formation are: kJ AG . C.H. = 68.4- mol mol AG, 0, = 0 AGC, CO, = -393.3 kJ AGF, 4,0 = -285.8 kJ mol mol • Your answer should include three significant figures.
Find the enthalpy of combustion of C2H4(g), C2H4(g) + 302(g) → 2CO2(g) + 2H2O(1) given the following data: AHºf[C2H4(g)] = 52 kJ/mol; -285.8 kJ/mol AHºf[CO2(g)]=-393.5 kJ/mol ; AHºf[H2O(1)] = -1331 kJ/mol -731 kJ/mol .BO 2287 kJ/mol .CO -1410.6 kJ/mol.Do
mm 11/18/19 su 82% Calculate the Sºn of the following reaction at 217°C and standard pressure. 3rd attempt Feedback See Periodic CH,(g) +302(8) 2002 (8) +24,0 (8) AH", kJ/mol 52.3 0 S", J/mol K 219.5 AG®, kJ/mol 68.1 205.0 0 C2H4(g) O2(8) CO2(g) H2O(g) -393.5 213.6 -394.4 -241.8 188.7 - 228.6 J/mol K 28 OF 29 QUESTIONS COMPLETED < 1729 > + VIEW SOLUTION
How is A the answer?
23. Respiration occurs via the following chemical reaction: CH 206(s) + 6 O2(g) → 6 CO2(g) + 6 H2O(1) Given the following data at 25 °C, what is AG°? Substance C6H120,(s) CO2(g) H2O(g) H2O(l) AG.° (kJ mol-1) -910.6 -394.4 -228.6 -237.2 A. -2879.0 kJ mol-1 B. +2879.0 kJ mol-1 C. +2827.4 kJ mol-1 D. -2827.4 kJ mol-1 E. +279.0 kJ mol-1
Calculate the standard entropy change for the reaction 2H2(g)+O2(g)?2H2O(l) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] H2(g) 0.00 0.00 130.6 O2(g) 0.00 0.00 205.0 H2O(l) -285.8 -237.2 69.90 Express your answer to four significant figures and include the appropriate units. Please show me the steps on how to solve this!!! Thank you!!!
For the reaction 2CO(g) + O2(g) +2C02(g) AG° = -515.1 kJ and AS = -173.1 J/K at 294 K and 1 atm. The maximum amount of work that could be done by this reaction when 1.67 moles of CO(g) react at standard conditions at this temperature is kJ Submit Answer Retry Entire Group 9 more group attempts remaining For the reaction CO(g) + 3H2()CH_(g) +H2O(g) AH° = -206.1 kJ and AS° = -214.7 J/K The maximum amount of work that...
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C2H4 (g) + 6 F2 (g) → 2 CF4(g) + 4 HF (g) can be written as the sum of: C2H4 (9) ► 2 C(s) + 2 H2 (g) AH = -52.3 kJ/mol 2 C(s) + 4 F2 (9) ► 2 CF4(9) AH = -1360 kJ/mol 2 H2(g) + 2 F2 (g) → 4 HF (a) AH = -1074 kJ/mol C2H4(g) + 6 F2(g) → 2 CF4(g)...