Homework Answers
1)
ΔHo = 27.58 KJ
ΔSo = 284.6 J/K
= 0.2846 KJ/K
T = 298 K
use:
ΔGo = ΔHo - T*ΔSo
ΔGo = 27.58 - 298.0 * 0.2846
ΔGo = -57.23 KJ
Answer: -57.23
2)
Since ΔGo is negative, the reaction is spontaneous in forward direction.
Answer: option 1
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For a particular reaction, AH = 27.58 kJ and AS = 284.6J/K. Calculate AG for this...
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For a particular reaction, ?H = -14.20 kJ and ?S = -198.5 J/K. 1)Calculate ?G for...
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1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a....
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help with all of these please 19. For a certain reaction, AH -35.4 kJ and AS...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
Consider the reaction: 2 POC13 (g) → 2 PC13 (g) + O2(g) a) Calculate AG. for...
Consider the reaction: 2 POC13 (g) → 2 PC13 (g) + O2(g) a) Calculate AG. for the reaction (AH. = 572 kJ; AS = 179 J/K) at 298 K. b) Is the reaction spontaneous or not spontaneous? At what temperature would it reach equilibrium?
Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For...
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Then, he measures the reaction enthalpy AH and reaction entropy AS of the second reaction. The...
Then, he measures the reaction enthalpy AH and reaction entropy AS of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the under the conditions the engineer has set up, the reaction is spontaneous, the spontaneous because the system is at equilibrium. AH = -188. kJ AS = -602. AG - kJ N,H,() + H2(g) — 2NH3(e) Which is spontaneous? this reaction...
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estion 17 of 25 > Given the information A+B 2D C D AH' = -629.4 kJ AH = 464.0 kJ AS = 327.0 J/K AS' = -147.0 J/K calculate AG at 298 K for the reaction A+B - 20 1 AG" = kJ 30 A w 09 S For a particular reaction, AH = -111.4 kJ/mol and AS = -25.0 J/(molK). Calculate AG for this reaction at 298 K. AG = -14.83 KJ/mo Incorrect What can be said about the...
For a particular reaction, AH = -14.20 kJ/mol and AS = -198.5 J/(mol.K). Calculate AG for this reaction at 298 K. AG = 73.35 kJ/mol
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
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Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For a. reversible reaction at equilibrium, AG = 0. The equilibrium constant K of the reversible reaction is relate- AG"=-RTIn(K). Symbol 40" refers to thermodynamics standard condition: 298 K and 1 atm. Exercise:consider the following reaction: bo:pfoiex 2 HNO:(aq)+NO(g)- 3 NO2(g) + H2O(I) AH=+136.5 kJ; AS = +287.5 J/K a. Below what temperature does the following reaction becomes nonspontaneous? niliod sis anotsole s ob io...
Then, he measures the reaction enthalpy AH and reaction entropy AS of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the under the conditions the engineer has set up, the reaction is spontaneous, the spontaneous because the system is at equilibrium. AH = -188. kJ AS = -602. AG - kJ N,H,() + H2(g) — 2NH3(e) Which is spontaneous? this reaction...
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