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Here are the answers to Review Homework for Equilibrium - Revised 2018.
1a) K = [NH3 (g)]E2
[H2 (g)]E3 [N2 (g)]E1
1b) K = 157 M--2
1ci) Shift Equilibrium RIGHT
1cii) Shift Equilibrium to the LEFT
1d) MORE PRODUCT
2) No (remember Equilibrium is when the Rate of Forward Reaction = Rate of Backward Reaction
3) Dynamic Equilibrium include definition above and that even though the concentration of all the species at equilibrium is constant over time does not mean that the reactions stopped. Both reactions are going constantly as one set of products are made, another product set is reacted back to reactants thereby having no net change.