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.
(a) PbS (s) + Mg (s) → Mg (s) + Pb (s); ∆H = 66 kJ; ∆S = -9 J/K
(b) 2 SO2 (g) + O2 (g) → 2 SO3 (g); ∆H = -197.8 kJ; ∆S = -188.1 J/K
(c) 2 N2O (g) + O2 (g) → 4 NO (g); ∆H = 199.5 kJ; ∆S = 198.2 J/K
(d) 2 C8H18 (l) + 25 O2 (g) → 16 CO2 (g) + 18 H2O (g); ∆H = -10139 kJ; ∆S = 977 J/K
Classify each of the following reactions as one of these four types: • spontaneous at all...
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. (a) 2 SO, (g) → 2 SO, (g) + O2(g); (b) Be(OH). (s) + H2(g) → Be (s) + 2 H2O (L); (c) CH. (g) + H2(g) → CH(g); (d)...
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. (a) 2 SO, (g) 2 SO, (g) + O2(g); (b) Be(OH), (s) + H2(g) → Be (s) + 2 H2O (1); (c) CH. (g) + H2(g) → CH. (g); (d)...
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. (a) CaH, (s) + 2 H20 (1) - Ca(OH)2 (s) + 2 H, (g): AH -230 kJ; (b) 2 NO(g) + Cl (g) → 2 NOCI (g); AH = -78.4 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. (a) CaH2 () + 2 H2O (1) + Ca(OH)2 (s) + 2 H2(g); AH = -230 kJ; (b) 2 NO(g) + Cl, (g) → 2 NOCI (g); AH= -78.4 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. AS = -198.8 J/K AH = 924 kJ; AS = (a) N2(g) + 3 H2(g) → 2 NH, (g); AH = -92.2 kJ; (b) 2 Na O (s) + 5 CO2(g)...
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 (a) CO (g) + 3 H2 (g) → CH4 (g) + H2O (g); ∆H = -206.1 kJ; ∆S = -214.6 J/K (b) AgClO3 (s) + CH4 (g) → AgCl (s) + 2 H2O (g) + CO (g); ∆H...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at 25° C for the reaction: 2 CO (g) + 2 CI, (g) → 2 COCI, (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound He kJ/mol S. J/mol.K CO (g) -110.52 197.67 Cl2 (g) 223.07 COCI, (g) -218.8 283.53 4. Classify each of...
Calculate the standard change in Gibbs free energy of the following reactions at Standard Ambient Temperature and Pressure (SATP where T = 25°C and P = 1 atm) and label them as spontaneous or nonspontaneous. (a) 2 SO2(g) + O2(g) 2 SO3(g): ΔΗ.-197.8 k , dS.-188.0 J/K kJ, and the reaction is Selectv (b) 2 C6H6(/) + 15 O2(g) 12 CO2(g) + 6 H2O(/); ΔΗ.-6535.0 kJ, S.-439.2 J/K kJ, and the reaction is Select (c) C(diamond); C(graphite); ΔΗ--19 ki, as...
8. For the following reaction, CC2(s) + 2H2O(l) + Ca(OH)2(s) + C2H2(g) which is spontaneous at all temperatures, one would predict that a. AG is positive for all temperatures. d. AH is - and AS is for the reaction. b. AH is + and AS is for the reaction. e. AH is + and AS' is- for the reaction. c. AH is - and AS is for the reaction. 9. Calculate the standard absolute entropy, in J/mol K. of Mg:...
26 Question (3 points) Which of the following reactions are spontaneous at the given temperatures? 2nd attempt Part 1 (1 point)Feedback Which are spontaneous at high temperatures? O Choose one or more: Ы See Periodic Table See Hint ,S)30, g)2,O()S0,() AH1037 KJ, AS P1524 /K 2S0 (g)+02(e) 2S0,() 솨r,an "-197.8 kJ, ASonn--1 87.8 JK so,(g) + H2O(1)-→ H2so,(1) 2630