2 NO + O2 = 2 NO2
Qc = (NO2)^2 / ((NO)^2*(O2))
= ( 4.5 )^2 / (( 3.00)^2*(2.50))
= 0.9
Value of Kc = 85.5
Qc value is less than the Kc value so reaction will go forward and equilibrium will shift towards forward reaction
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