(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Ⓡ = -137...
E2C.6(a) for the reaction C2H5OH(l) + 3O2(g) 2CO2(g) + 3H2O(g), delta U knot = -1373 kj/mol at 298 k. calculate delta H knot of reaction.
2. Calculate the ArHº for the reaction: 2C, +3H2(g) +4026) →C,H,OH, Co+O2(g) → CO268) 2H2(g) +O2(g) → 2H,0, ArHº = -393.5 kJ/mol-rxn ArHº =-571.6 kJ/mol-rxn C,H,OH, +302(8) ► 2C02(8)+34,00) ArHº = -1367.5 kJ/mol-rxn
Question 21 (1 point) What is As for the reaction 2CH2OH(g) + 302(g) →2C02(g) + 4H20(8): 88.0J/K +8801/ 0-42.31/K +4231/K Net Page 21 of 22 Delen SIALAI Dockey
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
Predict the sign and calculate ASⓇ for a reaction. Consider the reaction 2H S(g) + 302(g) +2H2O(g) + 25029) Based upon the stoichiometry of the reaction the sign of Srce should be Using standard thermodynamic data (in the Chemistry References), calculate AS rx at 25°C. AS J/Kºmol Predict the sign and calculate ASº for a reaction. Consider the reaction 2H,S(g) + 302(g)— 2H2O(g) + 250 (9) Based upon the stoichiometry of the reaction the sign of AS rx should be...
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
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.
4. Consider the reaction 3 C (graphite)2 H2O (g) CH4 (g) 2 CO (g) The following data are needed (all are at 298 K): S(J mol K) AH(kJ mol AAG(kJ mol) compound C, graphite 0 5.740 Н.О (g) - 241.82 188.83 - 228.57 CH4 (g) 186.26 -74.81 - 50.72 СО (g) 197.67 - 137.17 - 110.53 a) Determine A,G° and K for this reaction at 298 K and comment on the spontaneity of this process b) If you find that...
OH + H2 → H2O + H. a. Using all columns of data provided, find ∆rxnHo at 298 K b. Find Keq at 298 K c. Using all columns of data provided, find ∆H‡ at 298 K Substance AH" (kJ/mol) AGE (kJ/mol) -228.572 Sº (J/K/mol) 188.825 -241.818 217.965 203.247 114.713 H2O (g) H(g) OH (g) H2 (g) Cpº (J/K/mol) 33.577 20.786 29.89 28.824 38.95 34.23 183.64 130.684
(a) Calculate ?G for the reaction: 2H,000 H()+OH (ag) at 25 C given the following initial concentrations. HO] 1.0x 10-12 M and (OH]- 20 x10* M (b) Predict the direction in which the reaction will proceed spontaneously to establish equilibrium. 10. The AG° for the reaction: N,(g)+3H,(g)0 2NH,(g) is 33.3 kJ/mol at 25°C. What is the value of Kp?