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Consider the following chemical equilibrium: All the reactants and the product are gases N2(g)+3 H2(g) +2 NH3(g)+ Heat Predic
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Answer #1

Q12. Correct answer is : (A) Shift to the left

Q13. Correct answer is : Shift to the right

Explanation

Q12. From the given balanced equation we see that reactant side has more gaseous species (N2 and H2) than product side (NH3)

Increase in volume favors the side with more gaseous species because the volume has to be filled. The reaction will shift backwards towards the reactants so that more gaseous species is produced which fills the extra volume.

Q13. When the reaction mixture is cooled, equilibrium will shift forward so that more heat is generated which will negate the cooling effect and equilibrium can be reestablished.

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