Part A Consider a fuel cell that uses the reaction C2H4 (g)302(g) -2CO2(g) 2H20(1 Using the...
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 (8) 68.1 CO2(g) -394.4 H2O(1) -237.2 O2(g) 0 Express your answer with the appropriate units. C: HÅR O a ? Eº = 0.0138 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
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
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.
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
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.
2. Given the following reaction: 2CH2OH(g) + 302(g) → 2CO2(g) + 4H2O(g) Delta Gº Kj/mol -163 CH2OH O, CO2 H20 -394 -229 What is Delta G for the reaction
Part A Use standard free energies of formation to determine AG for this reaction at 25° C. rxn Express the free energy change to four significant figures and include the appropriate units. ? kJ AG Value rXn mol Request Answer Previous Answers Submit XIncorrect; Try Again; 5 attempts remaining You may want to reference (Page) Section 18.8 while completing this problem. G One of the reactions that occurs within a catalytic converter in the exhaust pipe of a car is...
71. For the reaction C2H4(g) +C2(g) determine ApH°, given that C2H&C2(1), 2 Cl2(g) + 2H20(1) A,H° =-202.4 kJ mol 1 4 HCl(g) + O2(g) 2 HCl(g) +C2H4(g) +02(8) 2 C2H4CI2(1) + H2O(1) A,H =-318.7 kJ mol-1
A direct methanol Fuel cell operates on Methanol at 60 °C CH3OH is fuel for global reaction CH3OH (1) + 3/202- CO2 + 2H20 (1) Ignoring the heat capacity, calculate the heat potential associated with the above reaction. [Use the table below and definition of Gibbs free energy] CH3OH (1) O2 (gas) CO2 H20 (1) -238.5 KJ/mol O KJ/mol -285.83 KJ/mol 127.19 J/mol.K 205.00 J/mol.K 213.79 J/mol. 69.95 J/mol.K. 969.7kJ/mol 769.9kJ/mol 699.7kJ/mol; 996.7 kJ/mol;
QUESTION 2 Calculate the standard free energy (g/mol) for the reaction 2 CH3OH()) + 3 026) - 2 CO2(g) + 4H200) Enter your answer with one decimal place and no units. Species AG°F (kJ/mol) CH3OHC) -166.4 H20 (1) -237.2 CO2 (9) -394.4