For the reaction N2(g) + O2(g) 2NO(g), Kc = 4.0 at a particular temperature. In a 1.0-L...

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For the reaction N2(g) + O2(g) 2NO(g), Kc = 4.0 at a particular temperature. In a 1.0-L...

For the reaction N₂(g) + O₂(g) 2NO(g), K_c = 4.0 at a particular temperature. In a 1.0-L container, 1.0 mol of N₂ and O₂ are mixed.

Determine the concentration of NO once equilibrium is reached at the given temperature.

=________

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Answer 1

Answer #1

For the reaction:

. N₂(g) +O₂(g) =2NO

Initial concentration: 1.0 M 1.0M 0M

Final concentration: 1.0-X 1.0-X 2X

Given: K_C=4.0

K_C=[NO]²/[N₂][O₂]

4.0=(2X)²/(1-X)(1-X)

X=0.5

Conc of [NO] at equilibrium=2X=2*0.5

=1.0M

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Answer 2

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