If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are K1 and K2, what is the equilibrium constant for the overall reaction?

If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are $K_{1}$ and $K_{2}$ , what is the equilibrium constant for the overall reaction?

	$K_3 = {K_2\over K_3}$
	$K_3 = {1\over K_1K_2}$
	$K_3 = {K_1\over K_2}$
	$K_3 = K_1K_2$

asked Oct 13, 2011 in General Chemistry by Roar3215 Top Answerer (2,061 points)

1 Answer

Best answer

$K_3 = K_1K_2$

D is correct choice, because to find the sum of an overall reaction you must multiply the two reaction constants.

answered Oct 15, 2011 by pokemonmaster Top Answerer (3,777 points)
selected Jan 20, 2012 by Roar3215

If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are K1 and K2, what is the equilibrium constant for the overall reaction?

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