How long must an old GPL be kept on file?

Which of the following is a charge, fee, or surcharge applied to consumers who purchase their casket elsewhere?

Determine the Kb for NO2- at 25 ºC. The Ka for HNO2 is 4.6 X 10-4 at 25 ºC.

The following reaction is exothermic. Which change will shift the equilibrium to the left? 2SO2 (g) + O2 (g) ⇌ 2SO3 (g)

You wish to prepare an HC2H3O2 buffer with a pH of 4.24. If the pKa of the acid is 4.74, what ratio for C2H3O2 -:HC2H3O2 must you use? 

Use the standard half- cell potentials listed below to calculate the ΔGO for the following balanced redox reaction at 25 OC. 2Al (s) + 3 Mg2+ (aq) à 2 Al3+ (aq) + 3 Mg (s) Mg2+ (aq) + 2 e- à Mg (s)                EO = -2.38 V Al3+ (aq) + 3 e- à Al (s)                    EO = -1.66 V

Balance the following redox reaction if it occurs in a basic solution. What are the coefficients in front of Br2 and OH- in the balanced reaction? Br2 (l) à BrO3- (aq) + Br- (aq)

Which of the following is the correct format for the GPL?

Calculate the concentration of H3O+ in a solution that contains 5.5 X 10-5M OH- at 25 ºC. Also , identify the solution as acidic, basic, or neutral. **Submit your answer in scientific notation using the following format. 5.5 X 10^-5 M

This is the net ionic equation for all…………. Hint: Write net ionic equations for weak acid + strong base, strong acid and weak base, strong acid and strong base and weak acid and weak base and find the answer.  Choose any strong/weak acid and strong/weak base