For a gascous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N,(g) + 3 H, (g) = 2 NH, (g) the standard change in Gibbs free energy is AG" = -72.6 kJ/mol. What is AG for this reaction at 298 K when the partial pressures are P, = 0.450 atm, P, = 0.250 atm, and Pyn, = 0.650 atm? AG = kJ/mol

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Chapter16: Thermodynamics: Directionality Of Chemical Reactions
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For a gascous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species.
For the reaction
N, (g) +3 H,(g) = 2 NH, (2)
the standard change in Gibbs free energy is AG" = -72.6 kJ/mol. What is AG for this reaction at 298 K when the partial
pressures are Py, = 0.450 atm, P, = 0.250 atm, and Pin, = 0.650 atm?
%3!
AG =
kJ/mol
Transcribed Image Text:For a gascous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N, (g) +3 H,(g) = 2 NH, (2) the standard change in Gibbs free energy is AG" = -72.6 kJ/mol. What is AG for this reaction at 298 K when the partial pressures are Py, = 0.450 atm, P, = 0.250 atm, and Pin, = 0.650 atm? %3! AG = kJ/mol
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