2. The following equilibrium exists in an aqueous solution of copper(II) chloride: CuCl42- (aq) + 4 H2O(l) ⇌ Cu(H2O)42+ (aq) + 4 Cl-(aq) green blue 2. (a) Some Cl− is removed by adding some silver nitrate to the solution. The Ag+ in the silver nitrate precipitates with the Cl− to produce AgCl(s). In what direction will the equilibrium shift? 2. (b) If the initial equilibrium mixture was blue, what would you observe as a sodium chloride solution was added dropwise to the equilibrium mixture?
1. Hemoglobin is the protein in red blood cells that transports oxygen to cells throughout your body. Each hemoglobin (Hb) molecule attaches to four oxygen molecules:
Hb(aq) + 4 O2(aq) ⇌ Hb(O2)4(aq)
1. (a)Carbon monoxide poisoning occurs when carbon monoxide molecules bind to hemoglobin instead of oxygen molecules. Carboxyhemoglobin is even redder than oxyhemoglobin; therefore, one symptom of carbon monoxide poisoning is a flushed face.
2. The following equilibrium exists in an aqueous solution of copper(II) chloride:
CuCl42- (aq) + 4 H2O(l) ⇌ Cu(H2O)42+ (aq) + 4 Cl-(aq)
green blue
2. (a) Some Cl− is removed by adding some silver nitrate to the solution. The Ag+ in the silver nitrate precipitates with the Cl− to produce AgCl(s). In what direction will the equilibrium shift?
2. (b) If the initial equilibrium mixture was blue, what would you observe as a sodium chloride solution was added dropwise to the equilibrium mixture?
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