Use this equation to find the equilibrium constant?

1 Answer
Truong-Son N.
May 8, 2017

Well, the hard part was to come up with the equation for the reaction

2"N"_2"O"(g) + "O"_2(g) rightleftharpoons 4"NO"(g)...

now use it. It is just plugging numbers in and using a calculator:

K_c = (5.6 xx 10^(-9) "M")^4/(("0.0035 M")^2("0.0027 M")) = ???

From where did the exponents originate? On a further note, it is a must to understand what the equation means...

In that regard, what would happen if the concentration of "N"_2"O" was doubled? Could K_c change, or would the equilibrium be disturbed, and then be inclined to shift back to equilibrium and establish the same K_c again? Which direction would the equilibrium shift if this were to occur (right or left)?

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