For the gas-phase reaction of water shown below, ΔrG° = 118.08 kJ mol⁠−1 when T = 2300 K. H20(g) ⇌ H2(g) + 1/2O2(g) a)  What is the value of the equilibrium constant at 2300 K? b)  What is KP (the equilibrium expression in terms of partial pressures) for this reaction? c) What is the degree of dissociation of H2O at 2300 K and 1.00 bar? Recall that the degree of dissociation is defined as α = (n0 − neq)/n0.

Chemistry: Principles and Reactions
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Chapter16: Spontaneity Of Reaction
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Problem 59QAP: Consider the reaction 2SO2(g)+O2(g)2SO3(g) (a) Calculate G at 25C. (b) If the partial pressures of...
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 For the gas-phase reaction of water shown below, ΔrG° = 118.08 kJ mol⁠−1 when T = 2300 K.

H20(g) ⇌ H2(g) + 1/2O2(g)

a)  What is the value of the equilibrium constant at 2300 K?

b)  What is KP (the equilibrium expression in terms of partial pressures) for this reaction?

c) What is the degree of dissociation of H2O at 2300 K and 1.00 bar? Recall that the degree of dissociation is defined as α = (n0 − neq)/n0.

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