General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 15 - Priciples of Chemical Equilibrium - 15-4 Concept Assessment - Page 663: 15-4


We cannot conclude if the numerical value of K for this reaction is greater or less than the same for the other reaction.

Work Step by Step

We know that, since the first reaction (1) is just the same reaction as the second one (2), but with the coefficients multiplied by 2: $$K_1 = K_2^2$$ Thus, if $K_2 \gt 1$, $K_1 \gt K_2$, but, if $K_2 \lt 1$, then $K_2 \gt K_1$.
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