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Which of the following is Cupric ion? a. Cu2+ b. Cu+ c. Cu3+ d. Co+ e. Co2+

Classify NaOH as a strong acid, weak acid, strong base, or weak base, write the correct dissolving equation for NaOH on scratch paper, and then answer the following question. What is the pH of 9.1 x 10-3 M NaOH (aq)? a. -2.0 b. 2.0 c. 6.0 d. 10.0 e. 12.0

Suppose the following data are for the reaction: SO2Cl2 (g) → SO2 (g) + Cl2 (g) Time [SO2Cl2] 0 hr 0.618 M 4 0.500 10 .364 Calculate the value of the rate constant k if the reaction is first order in SO2Cl2 (g). (Suggestion: make a third column and use it to calculate the slope.) a. 0.030 hr-1 b. 0.053 hr-1 c. 0.023 hr-1 d. 0.125 hr-1 e. 0.036 hr-1   Tables.pdf Periodic Table with New Elements.pdf

An insoluble salt X2Y(s) dissolves in water as follows: X2Y(s)

According to the solubility rules, which one of the following compounds is insoluble in water?   a. MgCl2 b. Zn(NO3)2 c. K2CO3 d. Ba(C2H3O2)2 e. AgCl

What is the correct net ionic equation for the following double displacement reaction?

The correct formula for Mercury(I) bicarbonate is:   a. Hg2HCO3 b. Hg2(CO3)2 c. HgHCO3 d. Hg2(HCO3)2 e. Hg(HCO3)2

Suppose a solution contains 0.7 M Ba2+ (aq) and 0.4 M Mg2+ (aq). Fluoride ions, F- , are then slowly added to the solution.  Calculate the [Mg2+] left in solution when Ba2+ starts to precipitate, and then answer the following question. What percent of the original Mg2+ is left in solution when Ba2+ starts to precipitate? a. 3.5 x 10-5 % b. 6.8 x 10-2 % c. 6.8 x 10-4 % d. 3.5 x 10-7 % e. 2.7 x 10-2 %   Tables.pdf Periodic Table with New Elements.pdf

Suppose you start with a solution that is at pH 8. If enough acid is added to make the [H+] 1000 times larger, what is the new pH? (Hint: Although this problem can be done using a calculator, it can easily be done in your head if you understand the principle.)   a. 3 b. 4 c. 7 d. 11 e. 5

The equilibrium 4 equation for the formation of the complex Cd(CN)42- is: Cd2+ + 4CN-    ⇌  Cd(CN)42- Write the equilibrium constant expression Kf , and then answer the following question. If Cd(CN)42- is a “typical” complex (which it is), which of the following statement(s) would you expect to be true? 1. At equilibrium, there will be more Cd2+ and CN- than Cd(CN)42- 2. At equilibrium, there will be more Cd(CN)42- than Cd2+ and CN- 3. The Kf value is small (- power of 10) 4. The Kf value is large (+ power of 10)   a. 2 and 4 only b. 1 and 3 only c. 1 and 4 only d. 2 and 3 only e. 2 only   Tables.pdf Periodic Table with New Elements.pdf