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4. Classify each of the following reactions as one of these four types: • spontaneous at all temperatures • not spontaneous at any temperature • spontaneous below a certain temperature but not above spontaneous above a certain temperature but not below See Table 17.1 in Tro, Fridgen and Shaw. (а) С-Н. (g) —> СH. (8) + H- (g); (b) Са(ОН). (s) + 2 H. (g) — Сан, (s) + 2 H,0 (); дн- 230 kJ; (c) 4 NO (g) → 2 N¿O (g) + O2 (g); (d) 2 O, (g) → 3 0; (g); AH = 136.9 kJ; AS = 120.6 J/K AS = -163 J/K AS =-198.2 J/K AS = 138 J/K AH=-199.5 kJ; AH=-285 kJ;

4. Classify each of the following reactions as one of these four types: • spontaneous at all temperatures • not spontaneous at any temperature • spontaneous below a certain temperature but not above spontaneous above a certain temperature but not below See Table 17.1 in Tro, Fridgen and Shaw. (а) С-Н. (g) —> СH. (8) + H- (g); (b) Са(ОН). (s) + 2 H. (g) — Сан, (s) + 2 H,0 (); дн- 230 kJ; (c) 4 NO (g) → 2 N¿O (g) + O2 (g); (d) 2 O, (g) → 3 0; (g); AH = 136.9 kJ; AS = 120.6 J/K AS = -163 J/K AS =-198.2 J/K AS = 138 J/K AH=-199.5 kJ; AH=-285 kJ;

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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4. Classify each of the following reactions as one of these four types: • spontaneous at all temperatures • not spontaneous at any temperature • spontaneous below a certain temperature but not above • spontaneous above a certain temperature but not below See Table 17.1 in Tro, Fridgen and Shaw. AH = 136.9 kJ; AS = 120.6 J/K (a) C:H6 (g) → C:H4 (g) + H2 (g); (b) Cа(ОН): (s) +2 H: (g) > Сан, (s) + 2 H,0 (I); дн- 230 k); (c) 4 NO (g) → 2 N,0 (g) + O2 (g); (d) 2 О, (g) — з 0, (g); AS =-163 J/K AH=-199.5 kJ; AH = -285 kJ; AS =-198.2 J/K AS = 138 J/K
Transcribed Image Text:4. Classify each of the following reactions as one of these four types: • spontaneous at all temperatures • not spontaneous at any temperature • spontaneous below a certain temperature but not above • spontaneous above a certain temperature but not below See Table 17.1 in Tro, Fridgen and Shaw. AH = 136.9 kJ; AS = 120.6 J/K (a) C:H6 (g) → C:H4 (g) + H2 (g); (b) Cа(ОН): (s) +2 H: (g) > Сан, (s) + 2 H,0 (I); дн- 230 k); (c) 4 NO (g) → 2 N,0 (g) + O2 (g); (d) 2 О, (g) — з 0, (g); AS =-163 J/K AH=-199.5 kJ; AH = -285 kJ; AS =-198.2 J/K AS = 138 J/K
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