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What is the acid dissociation constant, Ka, for propionic acid, C2H5COOH in water?

With the polyprotic acid like H3PO4, the dissociation of which hydrogen atom gives the largest Ka value?

Calculate the concentration of H+(aq) in a solution in which [OH-] is 0.010 M.

A solution contains three anions with the following concentrations: 0.20 M CrO42–, 0.10 M CO32–, and 0.010 M Cl–. If a dilute AgNO3 solution is slowly added to the solution, what is the first compound to precipitate: Ag2CrO4 (Ksp = 1.2 × 10–12), Ag2CO3 (Ksp = 8.1 × 10–12), or AgCl (Ksp = 1.8 × 10–10)?

For a saturated solution of Co(OH)2, what happens when a strong acid is added?

The first-order decomposition of N2O5 was studied at a particular temperature and found to have a rate constant of 6.2 x 10-4s-1. What is the half-life for the decomposition under these conditions?

Identify the Brønsted-Lowry base in the following reaction, (CH3)3N(aq) + H2O(l) → (CH3)3NH+(aq) + OH-(aq).

Which statement is true for the following reaction, NH3(aq) + H2O(l) → NH4+(aq) + OH-(aq)?

Arrhenius defines an acid as

Consider the following hypothetical aqueous reaction: A(aq) → B(aq). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected. Calculate the average rate of appearance for B in units of M/s between 20 and 40 minutes. Time (min) 0 10 20 30 40 Moles of A 0.065 0.051 0.042 0.036 0.031