Please help me Indicate the direction in which the equilibrium position shifts i

Question

Please help me Indicate the direction in which the equilibrium position shifts in each of the following chemical systems if the following stresses are placed on them: 1. Ag^+(aq) + C1^-(aq) AgCI(s) a) The addition of Ag^+ will cause the equilibrium position to shift: b) With which species in the above reaction will NH_3 react? This will cause the equilibrium position to shift: c) With which species in the above reaction will react? This will cause the equilibrium position to shift: 2. NH_3(aq) + H_2o(1) NH_4 (aq) + OH^-(aq) + heat a) The addition ofNH_4eownarrowwill cause the equilibrium position to shift b)The addition 0CNH4* will cause the equilibrium position to shift: c) A decrease in temperature will cause the equilibrium position to shift d) With which species in the above reaction will If react? e) This will cause the equilibrium position to shift

Explanation / Answer

1a) The addition of Ag+, a reactant of the reaction, will cause the reaction, according to le chatelier's principle, to shift to the right. This means, more products will be generated.

1b) Ammonia will most likely react with silver ion, forming a complex. This will cause the reaction to shift to the left, as reactants are being taken out and more need to be present.

1c) Iodine ion will also react with silver ion, giving the same result.

2a) Addition of ammonia will make the reaction shift to the left, making more products as we have more reactants.

2b) The addition of ammonium ion will cause the equilibrium to shift to the right, as more products are being added.

2c) A decrease in temperature will cause the equilibrium to shift to the right, as it will try to return to heat itself up.

2d and e) OH- is a stronger base than NH3, so H+ will react with OH-, taking out products from the reactions, and thus shifting equilibrium to the right.

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