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3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at...
4. Classify each of the following reactions as one of these four types: • spontaneous at...
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...
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...
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)...
at 298 K For the reaction: 2NO2 (g)N2s (e) The value of AHo and Aso are-58.03...
at 298 K For the reaction: 2NO2 (g)N2s (e) The value of AHo and Aso are-58.03 kJ and -176.6 J/K, respectively (a) What is the value of AG at 298 K? (b) At what temperature would this process be spontaneous?
4. Classify each of the following reactions as one of these four types: • spontaneous at...
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...
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;...
a) Determine AG for the following reaction at 25C: N2O2(g) ---> 2NO2(g) AHO = +55.3 kJ;...
a) Determine AG for the following reaction at 25C: N2O2(g) ---> 2NO2(g) AHO = +55.3 kJ; AS°= +175.7 J/K b) is the reaction spontaneous under standard state conditions? c) at what temperature will the reaction become spontaneous? a) 2.94 k); b) no; c) 315 K a) -52.3 kJ; b) yes; c) at no temperature a) 50.9 kJ; b) yes; c) -750K a) -4.34 kJ; b) no; c)-315 K
4. Classify each of the following reactions as one of these four types: • spontaneous at...
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...
Classify each of the following reactions as one of these four types: • spontaneous at all...
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);...
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the...
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the reactions in #1. Then using AH° and AS° and your knowledge of the second law, compute which reactions are spontaneous under standard conditions. You must show all your calcualtions. (7pts) Spontaneous ASo ASuniv ΔΗ Reaction 2H2(g) + 02(g) 2H20() CO2(s)-CO2(g) K (aq)+ Cl (aq)- KCI(s) Thermodynamic Properties at 298 K AH AG Substance kJ/mol kJ/mol 3/(mol-K) Ag(s) Ag (aq) AgBr(s) AgCls) Agl(s) Cl:(g) CI(8)...
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 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)...
at 298 K For the reaction: 2NO2 (g)N2s (e) The value of AHo and Aso are-58.03 kJ and -176.6 J/K, respectively (a) What is the value of AG at 298 K? (b) At what temperature would this process be spontaneous?
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. (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;...
a) Determine AG for the following reaction at 25C: N2O2(g) ---> 2NO2(g) AHO = +55.3 kJ; AS°= +175.7 J/K b) is the reaction spontaneous under standard state conditions? c) at what temperature will the reaction become spontaneous? a) 2.94 k); b) no; c) 315 K a) -52.3 kJ; b) yes; c) at no temperature a) 50.9 kJ; b) yes; c) -750K a) -4.34 kJ; b) no; c)-315 K
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the reactions in #1. Then using AH° and AS° and your knowledge of the second law, compute which reactions are spontaneous under standard conditions. You must show all your calcualtions. (7pts) Spontaneous ASo ASuniv ΔΗ Reaction 2H2(g) + 02(g) 2H20() CO2(s)-CO2(g) K (aq)+ Cl (aq)- KCI(s) Thermodynamic Properties at 298 K AH AG Substance kJ/mol kJ/mol 3/(mol-K) Ag(s) Ag (aq) AgBr(s) AgCls) Agl(s) Cl:(g) CI(8)...
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