How could you decrease the concentration of Cu2+ in the aqueous equilibrium below? Cu2+ + 4 Br- ⇌ CuBr42- blue colorless yellow A. By adding more Br- B. by removing the product formed C. Both A and B D. None of these.
How could you decrease the concentration of Cu2+ in the aqueous equilibrium below? Cu2+ + 4...
2. Consider the following equilibrium: Cu2+(aq) pale blue + 4NH3(aq) +[Cu(NH3)4]2+ (aq) colorless deep purple Would you expect to see an increase, no change, or a decrease in the purple color when: (a) the temperature of the system is increased (the reaction is endothermic). (b) a catalyst is added. (c) more aqueous NH3 is added to the equilibrium. (d) the pressure is increased. NaOH(aq) is added to the system, resulting in the precipitation of Cu(OH)2(s). _(1) (f) the volume of...
2. Consider the following equilibrium represent by the reversible equation below: Cu2+(aq) + 4 NH4OH(aq) = [Cu(NH3)4]2+(aq) + 4 H20() Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when c. Water is added to the mixture at equilibrium.
2. Consider the following equilibrium represent by the reversible equation below: Cu2+(aq) + 4 NH4OH(aq) = [Cu(NH3)4]2+(aq) + 4 H2O(1) Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when a. Drops of strong acid is added b. H2S gas is bubbled in the solution. Note: H2S reacts with transition metal cations. c. Water is added to the mixture at equilibrium.
2. Consider the following equilibrium represent by the reversible equation below: Cu2+(aq) + 4 NH4OH(aq) = [Cu(NH3)4]2+(aq) + 4 H2O(1) Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when a. Drops of strong acid is added b. H2S gas is bubbled in the solution. Note: H2S reacts with transition metal cations. c. Water is added to the mixture at equilibrium.
Equilibrium and Le Chatelier Principle
According to Le Chatelier's principle: What is going to happen to the color if you add more CuCl42- and why? The Kc is the equilibrium constant, the large the number the more product is favored. System 1: Cu²+(aq) + 4C1 (aq) = CuC142-(aq) Blue/Green Green/Yellow Kc or lc [CuCl2-] [Cu2+][C1-]4 O It will turn more Blue/Green and since you are adding extra chlorine ion O It will turn more Green/Yellow and since you are adding...
2. Consider the following equilibrium represent by the reversible equation below: Cu2+(aq) + 4 NH4OH(aq) = [Cu(NH3)4]2+(aq) + 4 H20() Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when b. HS gas is bubbled in the solution. Note: H2S reacts with transition metal cations.
2. Consider the following equilibrium represent by the reversible equation below: Cu2+(aq) + 4 NH4OH(aq) = [Cu(NH3)4]2+(aq) + 4 H20() Blue Colorless Navy blue Predict the shift (explain why) and indicate the color of the solution when a. Drops of strong acid is added
Workshop 12 Names: 9. What is the equilibrium concentration for Cla) in the reaction below if at equilibrium, P M, (PCI)=0.42 M and K=0.447 Be sure to use the unit for molarity (M). PCs() - PCI (Ⓡ) + Cl2(8) 0.40 10. Suppose you had the following equilibrium established. Explain how each of the following changes would shift the equilibrium. A+B C + energy a. Decrease the concentration of A: b. Decrease the concentration of C: c. Increase the temperature: d....
D Question 4 1 pts The reaction shown is at equilibrium. If a student adds more X to the system, what happens immediately (at that instant) to Q and K? X Y Z Both decrease Both increase O Qgets larger and gets smaller K gets larger and gets smaller Kremains constant and increases Kremains constant and a decreases 1 pts Question 5 You have a saturated solution of Ca(OH)2 in a flask, meaning there is some solid CaOH)2 sitting at...
In step1, aqueous ammonia is added to a solution of the three ions. The equilibrium for the ammonia is EQ1: NH3(aq + H2O(l) ßà NH4+(aq) Kb=1.8x10-5 The bismuth(III) ion is precipitated out of the solution as Bi(OH)3. The equilibrium involved is related to the one provided below: EQ2: Bi(OH)3(s) ßà Bi3+(aq) +3OH(aq)- Ksp =3.2x10-40 Manipulate EQ 1 and 2 to solve for the net equation, EQ3: EQ3 (net): 3H2O+ Bi3+(aq) +3NH3(aq) ßàBi(OH)-(s) +3NH4+(aq) Write the mass law expression for the...