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53 solutions

Le Chatelier's Principle

Q. Predict the effect of removing chloride ions. According to LeChatlier's Principle, which side would the equilibrium shift when removing chloride? What would be the color after the shift? [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) ⇌ [CoCl4]2-(aq)(blue) + 6H2O(l)

Solved • Aug 4, 2019

Le Chatelier's Principle

Q. Predict the effect of adding chloride ions. According to LeChatlier's Principle, which side would the equilibrium shift when adding chloride? What would be the color after the shift? [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) ⇌ [CoCl4]2-(aq)(blue) + 6H2O(l)

Solved • Aug 4, 2019

Le Chatelier's Principle

Q. n the first reaction, two different coloured Co(II) complex ions, [Co(H2O)6]2+ and [CoCl4]2-, exist together in equilibrium in solution in the presence of chloride ions: [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) ⇌ [CoCl4]2-(aq)(blue) + 6H2O(l) This equilibrium can be disturbed when water, H2O is added. Predict what will happen. a The equilibrium will move to the right. b [CoCl4]2- concentration decreases. c [Co(H2O)6]2+concentration decreases. d Forming more blue complex.

Solved • Aug 4, 2019

Le Chatelier's Principle

Q. In the first reaction, two different colored Co(II) complex ions, [Co(H2O)6]2+ and [CoCl4]2-, exist together in equilibrium in solution in the presence of chloride ions: [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) ⇌ [CoCl4]2-(aq)(blue) + 6H2O(l) If this is an endothermic reaction. Predict what will happen the reaction tube is put in hot water. a. There would be no change b. The equilibrium will move to the left. c. Forming more pink complex. d. [Co(H2O)6]2+concentration decreases.

Solved • Aug 4, 2019

Le Chatelier's Principle

Q. W have an aqueous solution of weak base, NH3 (aq). what happens to the concentration of OH- (aq) ions ( will increase, decrease, or stay the same ) We add some NaBr We add some NH4CI there is no volume change

Solved • Jul 28, 2019

Le Chatelier's Principle

Q. AgBr would have the lowest solubility in ________. 0.040 M KBr 0.040 M SrBr2 0.040 M NaBr pure H2O 0.010 M AgNO3

Solved • Jul 27, 2019

Le Chatelier's Principle

Q. Which change in the system will drive equilibrium to the left in the reaction below? N2O5(g) ⇌ NO2(g) + NO3(g) A) decrease the amount of NO3 B) increase the pressure C) increase the amount of N2O5 D) increase the volume

Solved • Jul 2, 2019