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PayesiJPO J 4. When the rate of the forward reaction is equal to the rate of the backward reaction, the system said to be in
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Answer #1

Q-4

When the rate of forward reaction is equal to the rate of backword reaction , the reaction is said to be in

chemical equilibrium.

Q-5 Decrease

It is beacause for SO3 will be formed. and it will decrese the concentartion of O2

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