Asked by madi

for this reaction:
2NO + heat <-> N2 +O2
which way would the equillibrium shift if catalyst is added?
Answered by DrBob222
A catalyst changes the RATE of a reaction, because it allows an alternative pathway for the reaaction to take place. Therefore, the reaction you have written may reach equilibrium faster, due to this increased rate; however, Keq (the equilibrium constant) remains the same and the point of equilibrium does not change(shift).
Answered by madi
what if more NO is added?
Answered by DrBob222
More NO shifts the reaction in such a manner so as to relieve the stress which means the reaction will shift so as to use up the added NO. How can it do that? By shifting to the right the extra NO can be used. Adding N2 or O2 would shift it to the left. Adding heat would move it to the right.
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