For the reaction A(aq) + B(aq) C(aq) K_c equaled 1. Assume that the initial conc

Question

For the reaction A(aq) + B(aq) C(aq) K_c equaled 1. Assume that the initial concentrations are [A]_init = 0 M. [B]_init = 0 M, and [C]_init = 100 M. (a) Calculate the value of the reaction quotient Q. (b) Describe what net reaction would occur and how the concentrations of A, B, and C would change (ie. increase, decrease or stay the same) to reach equilibrium. (c) Assume you have an equilibrium mixture of [A], [B], and [C] at 298K and that the reaction is endothermic. i) What would happen to the concentration of C in this mixture if the temperature is increased. ii) And with this change in [C] what would happen to .he value of K_c?

Explanation / Answer

for endothermic reaction increasing the temparature shift the equilibrium to right side. ie formation of product is favourable. concentration of C increased.

Kc is equilibrium constant, alwaya has the constant value for perticular reaction. Kc could not change.

At equilibrium, the concentration of A and B will decrease to maintain Kc constant

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