Consider a fuel cell that uses the reaction 2C2 H2 (g)502 (g) -» 4CO2(g) 2H20(1) Using...
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 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 the following reaction: 4HCN(I) 502(9) 3. 2H20(9) +4CO2(9)+2N2(9) Use the following information to compute the standard state free energy change for this reaction (AG) and the associated equilibrium constant (AG -RT In Ke) compound AGr(kj/mol) HCN 121 -237.2 -394.4 H,o
help asap 3. Calculate the standard enthalpy change, Hº, for the following reaction using standard enthalpies of formation. (1 point) 2C2H2(g) + 502(g) → 4CO2(g) + 2H20(1) Standard Enthalpies of Formation AH for C2H2(g) = +226.7 kJ/mol AHfor CO2(g) = -393.5 kJ/mol AH for H2O(l) = -285.8 kJ/mol
(0.8 point) Feedback Part 1 FeO(s) +H2(g) Fe(s) H2(I) kJ Part 2 (0.8 poin Feedback Feo(s)+ H2)Fes)+H2O(1) Eo cell-0.093 08 Question (3 points) e See page 891 Starting with the standard free energies of formation from the following table, calculate the values of Δ๙ and E reactions of the following G°f (kJ/mol) 255.2 Substance FeO(s) H2(g) Fe(s) H200) Pb(s) O2(g) 237.2 744.5 Pb504(s) 813.0 Feedback Part 3 (0.8 point) 2Pb(s)+02(8+2H2SO4(a) 2PbSO4(s)+2H20(0) AG385.3 kJ Part 4 (0.8 poin)Feedback 2Pb(s) +O2 (g)...
Use the table below to answer question 1. Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C) Substance AHºf (kJ/mol) AG°f (kJ/mol) S (J/K-mol) 2.84 2.43 Sige Carbon C(s, diamond) 1.88 C(s, graphite) 0 C2H2 (g) 226.7 C2H4 (g) 52.30 C2H6 (g) -84.68 CO(g) -110.5 CO2 (g) -393.5 209.2 68.11 -32.89 -137.2 -394.4 5.69 200.8 219.4 229.5 197.9 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen O2 (g) H20 (1) 205.0 69.91 -285.83 -237.13 1) The combustion of acetylene in...
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
Standard free energies of formation, AG, in kj/mol, are given below each reactant and product in the reaction shown below. The standard free energy of reaction, AG', for this reaction is kj. Enter your answer as the nearest Integer with no units. CH468) 2 028) -CO2(g) + 2 H200) - 50.8 0 - 394.4 -237.2
step by step please Cis. Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) AHºf AG°f S (J/K- Substance KkJ/mol KkJ/mol mol) C(s. 1.88 2.84 2.43 diamond) lo 6 5.69 graphite) C2H2(8) 226.7 209.2 200.8 C2H4 (8) 52.30 68.11 219.4 C2H6 (g) -84.68 -32.89 229.5 CO(g) - 110.5 -137.2 197.9 CO2(g) -393.5 394.4 213.6 H2(g) 130.58 O2 (g) 0 205.0 H20 (1) 285.83 -237.13 69.91 0 The combustion of acetylene in the presence of excess oxygen yields carbon dioxide and...