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Establish the relation between K and Kc for the reaction 3N2(g) + H2(g) ⇌ 2HN3(g). Assume...

Establish the relation between K and Kc for the reaction 3N2(g) + H2(g) ⇌ 2HN3(g). Assume gases are perfect

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Answer #1

The given reaction is 3N2(g) + H2(g) ⇌ 2HN3(g)

The relation between Kp & Kc is Kp = Kc x (RT)n

Where n = total number of moles of the gaseous products - total number of moles of gaseous reactants

                 = 2(for HN3) - [ 3(for N2) + 1 (for H2)]

                = -2

           R = gas constant

           T = Temperature in kelvin

Plug the values we get Kp = Kc x (RT)n

                                Kp = Kc x (RT)-2

                            Kp < Kc

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