Express the equilibrium constant for the combustion of ethanol in the balanced chemical equation. C2H5OH(g)+3O2(g)⇌2CO2(g)+3H2O(g) Express...

Express the equilibrium constant for the combustion of ethanol in the balanced chemical equation.

C2H5OH(g)+3O2(g)⇌2CO2(g)+3H2O(g)

Express the equilibrium constant for the combustion of ethanol in the balanced chemical equation.

K=[CO2]2[C2H5OH][O2]3

K=[C2H5OH][O2][CO2][H2O]

K=[CO2][H2O][C2H5OH][O2]

K=[CO2]2[H2O]3[C2H5OH][O2]3

Expert Solution

C2H5OH(g)+3O2(g)⇌2CO2(g)+3H2O(g)

Rate of forward reaction = Kf[C2H5OH][O2]^3

Rate of back ward reaction = Kb[CO2]^2[H2O]^3

At equilibrium rate of forward reaction = rate of back ward reaction

Kf[C2H5OH][O2]^3 = Kb[CO2]^2[H2O]^3

Kf/Kb = [CO2]^2[H2O]^3/[C2H5OH][O2]^3

Kc = [CO2]^2[H2O]^3/[C2H5OH][O2]^3 [ Kc = Kf/Kb]

K=[CO2]2[H2O]3/[C2H5OH][O2]3 >>>>>>answer

queen_honey_blossom answered 2 years ago

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