O 12/8/2014 11:00 PM A 7.7120 12/3/2014 01:06 PM Gradebook Print Periodic Table

Question

O 12/8/2014 11:00 PM A 7.7120 12/3/2014 01:06 PM Gradebook Print Periodic Table Calculator Question 1 of 10 Map A pling At a given temperature, the elementary reaction A B n the forward direction is first order in A with a rate constant of 4.00 x 102 s 1. The reverse reaction is first order in Band the rate constant is 7.00 x 102 s-1. What is the value of the equilibrium constant for the reaction A his temperature? Number What is the value of the equilbrium constant for the reaction B A at this temperature? Number Hint Previous Give Up & View Solution Check Answer Next Ext

Explanation / Answer

Keq=kf/kb

where kf is the rate constant for the forward reaction and kb is the rate constant for the backward reaction.

a)Keq = 4*10^-2/7*10^-2 = 4/7 = 0.5714

b)Keq = 7*10^-2/4*10^-2 = 7/4 = 1.75

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