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 (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
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
(3) 4H1\g) +U, g) — 21,(s) + 2H,Ulg) E2C.6(a) For the reaction C,H,OH(1) + 302(g) → 2C02(g) + 3 H2O(g), 4,UⓇ = -1373 kJ mol" at 298 K. Calculate A.HⓇ
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!!!
(2) (24 pts) A fuel cell produces electricity via a combustion reaction. A DMFC is a proton-exchange fuel cell that uses methanol CH OH() as the fuel, which reacts with molecular oxygen to produce carbon dioxide and water. (a) (4 pts) Write the balanced combustion reaction for this methanol fuel cell (b) (4 pts) Write the balanced half-reactions occurring at the cathode and anode of this fuel cell (assume standard acidic conditions). (c) (4 pts) Evaluate AG° (kJ) and AE...
Consider the exothermic reaction CH4(g)+2O2(g)→CO2(g)+2H2O(g) Calculate the standard heat of reaction, or ΔH∘rxn, for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero. Reactant or product ΔH∘f (kJ/mol) CH4(g) -201 CO2(g) -393.5 H2O(g) -241.8 Express your answer to four significant figures and include the appropriate units.