3) Consider the reaction: 3) _ N2(8) + 3 F2(g) -2 NF3(g) AH® = -249 kJ and AS = -278 J/K at 25°C %3D Calculate AG and state whether the equilibrium composition should favor reactants or products at standard conditions.

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B Chapter 19 - Thermodynamics - x
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3) Consider the reaction:
3)
N2(8) + 3 F2(8) -2 NF3(8)
AH° = -249 kJ and AS = -278 J/K at 25°C
Calculate AG and state whether the equilibrium composition should favor reactants or
products at standard conditions.
4) Calculate the AG°rxn using the following information.
4)
2 HNO3(aq) + NO(g) - 3 NO2(g) + H2O(1)
AG°rxn = ?
AH°f (kJ/mol)
-207
91.3
33.2
-285.8
S°J/mol K)
146
240.1
210.8
70.0
5) Calculate AGrxn at 298 K under the conditions shown below for the following reaction.
5)
3 02(g) -2 O3(g)
AG° = +326 kJ
P(O2) = 0.077 atm, P(O3) = 0.61 atm
6) Determine the equilibrium constant for the following reaction at 298 K.
SO3(g) + H2O(g) – H2SO4(1)
AG° = -90.5 kJ
9:19
4/17
hp
Transcribed Image Text:B Chapter 19 - Thermodynamics - x Eboardcdn.com/blackboard.learn.xythos.prod/5970c46bc1741/9717426?X-Blackboard-Expiration=D1650261600000... O*NET OnLine Ee Home | exploreheal... Scholarships - SAL. v Patient Portal - heal... 20 Highest Paid No... - AccessV 1/2 100% 3) Consider the reaction: 3) N2(8) + 3 F2(8) -2 NF3(8) AH° = -249 kJ and AS = -278 J/K at 25°C Calculate AG and state whether the equilibrium composition should favor reactants or products at standard conditions. 4) Calculate the AG°rxn using the following information. 4) 2 HNO3(aq) + NO(g) - 3 NO2(g) + H2O(1) AG°rxn = ? AH°f (kJ/mol) -207 91.3 33.2 -285.8 S°J/mol K) 146 240.1 210.8 70.0 5) Calculate AGrxn at 298 K under the conditions shown below for the following reaction. 5) 3 02(g) -2 O3(g) AG° = +326 kJ P(O2) = 0.077 atm, P(O3) = 0.61 atm 6) Determine the equilibrium constant for the following reaction at 298 K. SO3(g) + H2O(g) – H2SO4(1) AG° = -90.5 kJ 9:19 4/17 hp
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