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Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter8: Electrochemistry And Ionic Solutions

Section: Chapter Questions

Problem 8.9E

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What is a nonspontaneous reaction?
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can you answer question nine correct, please
[References] |Substance and State AH£° (kJ/mol) | Саз (РОд)2(8) CaSO4 (s) CH4 (9) HCN(g) HCI(g) H2O(g) NH3 (g) NHẠ CI(s) O2 (9) H3PO4 (1) H2SO4 (1) -4126 -1433 -75 135.1 -92 -242 -46 -314 -1267 -814 а. (g) + (g) + (g) + (g) N ΔΗ'- kJ b. Сaз (РО,), (8) + зн;SO4(1) —— зСaSO, (s) + 2H3PОД (1) ΔΗ' kJ с. NH3 (9) + HCI(9) — NH4 CI(s) ΔΗ' kJ Previous
O Me 'Me 1. Br₂, hv, CCl4 2. Mgº, Et₂0 3. HCI, H₂O 4. conc. H₂SO4, heat 1. n-PrMgBr (excess) 2. TsCl, pry., 0 °C 3. NAOMe
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Chrome File Edit View History Bookmarks People Tab Window Help A ALEKS - Jacqueline Hoppenrey x C Search Textbook Solutions | Ch x G standard formation reaction for x G convert kj to j - Google Search x + A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV_6Ux63SypJXz0Coxvwqgg4JkWI7IUnyRjVNsBjUR5oMNI9R1NdBbh5VEqEfXiSb O THERMOCHEMISTRY Writing a standard formation reaction Write a balanced chemical equation for the standard formation reaction of solid vanadium(V) oxide (V,0s). Explanation Check 2021 McGraw-Hill Educ Reserved Terms
2.50kcal to J
Select the monomer used to create the following polymer. CN xell CN CN CN CI CI F F F
Reaction #1 Co() + 2H2(g) → CH:OH() AS° = -332 J/K CH.(g) + 0:(g) AS° = +162 J/K Reaction #2 CH:OH(!) – AH', AG; s° Substance (kJ mor) (kJ mot') (JK' mor') Co(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH(f) CH(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGf for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?
Species AfH (kJ/mol) S (J/mol K) Mg(s) H₂O(l) Mg(OH)2 (s) H₂(g) Charles D. Winters 0 -285.83 -924.54 INCLUDES 34 Pusa S 0 32.67 Solvan Cars Mashed Porn & HEATER MEALS 69.95 63.18 130.7 HEATER MEALS . AfG (kJ/mol) 0 -237.15 -833.51 0 The heat for the heater unit is produced by the reaction of magne- sium with water. Confirm that this is a spontaneous reaction under standard conditions. Do this by calculating the value of A,Gº. What sign is expected for ArGº for a spontaneous reaction under standard conditions? A, G = kJ/mol For a spontaneous reaction under standard conditions, A, G 0.
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