S0rxn = [2S0(CO2) + 2S0(H2O)] - [S0(C2H4) + 2S0(O2)]
S0rxn = [2(213.6) + 2(188.7)] - [219.5 + 2(205.0)]
S0rxn = 427.2 + 377.4 - [629.5]
S0rxn = 175.1 J/molK
Calculate the ASn of the following reaction at 217°C and standard pressure. 1st attempt lui See Periodic Table C2H,...
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
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g) +302(g) → 2002(g) + 2H20(g) A Hºt, kJ/mol 52.3 Sº, J/mol K 219.5 C2H4(g) O₂(g) CO2(g) H2O(g) -393.5 205.0 213.6 188.7 -241.8 1st attempt
03 Question (1 point) Estimate the Hºrn of the following reaction at 221°C and standard pressure. 1st attempt C,H,(8) +30,(8) ► 2002(g) +24,0(g) CH.(g) Ole) CO2(g) H2O(B) AH", kJ/mol 52.3 0 393.5 241.8 5° /molok 219.5 205. 0 213.6 188.7 AG%, kd/mol 68.1 0 -394,4 228.6 kJ/mol
please explain step by step. 1. Using the data in Study Sheet No. 34, calculate the following for the combus- tion of 1.00 mole of C H (1) at 25°C. AH, C H (1) = 49.04 kJ/mol. a) The heat flow at a constant pressure of 1.00 atm. b) The heat flow at constant volume. c) The work at a constant pressure of 1.00 atm. d) The work at a constant volume. bordo APPENDIXO-GENERAL CHEMISTRY STUDY SHEETS GENERAL CHEMISTRY STUDY...
Use Table 6 values to calculate AGº (in kJ) at 2000 K for the following reaction: NO2(g) + CO(g) + NO(g) + CO2(g) O-420 kJ 0-222 kJ O-1211 kJ 0-199 kJ 0-990 kJ 3 pts Question 27 What is the pH of .731 M H2CO3 (aq)? 8.4 O 5.2 O 3.3 O 6.5 10.7 Table 6 - Thermodynamic Data of 12.0 M HOH ZOH is added to Ag(s) AgBr(s) Agcl(s) AgI (8) AgNO, () Ag20(8) Al(a) Al,0, () Ba (3)...
Calculate the standard free-energy change and the equilibrium constant Kc for the following reaction at 25°C. See Appendix C for data. Fe(s) + Cu2+ (aq) = Fe2+ (aq) + Cu(s) Find equilibrium constan + K at 25°C Appendix C Thermodynamic Quantities for Substances and Ions at 25°C Substance or lon AH; (kJ/mol) AG; (kJ/mol (J/mol-K) 20.87 Substance or lon Ba(OH),(s) ΔΗ: (kJ/mol) -946.3 --3342.2 AG (kJ/mol) -859.3 -2793 (J/mol K) 107.1 427 Ba(OH), 8H,O(s) BaSO (8) - 1473.2 -1362.3 132.2...
Using enthalpies of formation (Appendix C), calculate ΔH ° for the following reaction at 25°C. Also calculate ΔS ° for this reaction from standard entropies at 25°C. Use these values to calculate ΔG ° for the reaction at this temperature. COCl2(g) + H2O(l ) h CO2(g) + 2HCl(g). Appendix C Thermodynamic Quantities for Substances and Ions at 25°C Substance or lon AH; (kW/mol) 0 AG: (kJ/mol) 0 S° (J/mol-K) 20.87 ΔΗ, (kJ/mol) -946.3 - 33422 AG; {kj/mol) --859,3 -2793 (J/mol-K)...