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CHEM 1202 Chapter : Chapter 17 Quiz 1

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azuremammoth471
15 Mar 2019
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LSU
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Chemistry
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CHEM 1202
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Which of the following when added to hcn causes the percent ionization to. Moodle quiz 3 decrease: naoh, adding lots of water, nacn, nacl, nh3. Cu(oh)2 has a low solubility in water with ksp=1. 6x10^-19. Which of these materials could be added to a saturated solution of cu(oh)2 to create the condition. G>0: nabr(aq, naf, hcl(aq, lots of h2o, kno3(aq) Hcl is added to a saturated solotuion of mg(oh)2. How will the addition of: the reaction will increase the concentration of products qk, the equilibrium will not be affected, ksp will increase, ksp will decrease is added. Consider the weak acid hclo2 (aq) at equilibrium. The soluble salt kclo2(s: [h+] will increase, [h+] will not change, ph will decrease, [h+] will decrease, kw will increase. Agbr has a low solubility in water with ksp=5. 0x10^-13. Which of these materials could be added to a saturated solution of agbr to create the condition of.

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Related Questions

2. For half-cell B, when NaOH(aq) is added to Cu2+(aq), a sparingly soluble solid, Cu(OH)2, will form.

a. Write the reaction for the formation of Cu(OH)2. The Ksp for Cu(OH)2 is 4.8 x 10^-20.

b. Interpret the magnitude of Ksp. When NaOH(aq) is added to Cu2+(aq), what will happen to the "free" [Cu2+]? Choose one.
[Cu2+] will increase
[Cu2+] will decrease
[Cu2+] will not change
cannot be predicted.

c. After the nearly insoluble solid forms, the next step in the lab has you add H2SO4(aq). Write the reaction that will occur.

d. When the H2SO4(aq) is added, predict what will happen to the "free" [Cu2+]? Choose one
[Cu2+] will increase
[Cu2+] will decrease
[Cu2+] will not change
cannot be predicted.

Consider the solubility of solid magnesium hydroxide, Mg(OH)2, in water, for which the solubility equilibrium is: Mg(OH)2 (s) <> Mg^2+ (aq) + 2OH^- (aq) A saturated solution of Mg(OH)2 is prepared and allowed to equilibrate at 25 degrees C. A 25.00 Ml sample of the 25 degrees C solution is titrated with .00508 M HCL solution. 1.38 ml of the HCL solution are required to fully react the solution sample. A) Determine the molar solubility of Mg(OH)2 at 25 degrees C B) Calculate Ksp for Mg(OH)2 in water at 25 degrees C C) Calculate delta G for Mg(OH)2 dissolving in water at 25 degrees C D) What additional experimental measurements would be required in order to determine detla H and delta S for Mg(OH)2 dissolving in water.