If the initial concentration of N2 is 1.1 M and O2 is 1.4 M, what would...

If the initial concentration of N2 is 1.1 M and O2 is 1.4 M, what would the concentration of NO be when equilibrium is established?

At high temperatures, nitrogen and oxygen can combine to form nitric oxide,

N2(g) + O2(g) ⇌ 2NO(g) K_c = 3.3 x 10-8.

Expert Solution

We will consider that x amount of N₂ and O₂ is dissociated and 2x amount of NO is formed.

Complete answer is 2.254329 * 10^-4 M(In image it is trimmed upto two digits after decimal to look better)

Also if we havent used the assumption, we have to cross multiply and a quadratic equation in x would have to be solved which would have gave same answer. This assumption trick is also used in Ionic equilibrium where we have to calculate concentration when Ksp is given.

queen_honey_blossom answered 2 years ago

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