The acid-dissociation constant, Ka, for benzoic acid is 6.5 * 10-5.

Calculate the base-dissociation constant, Kb, for the conjugate base of benzoic acid.

A. 9.3 * 105

B. 2.5 * 10-6

C. 6.5 * 109

D. 1.5 * 10-10

Write and balance molecular equations for the following reactions between aqueous solutions. You will need to decide on the formulas and phases of the products in each of the cases.

A student designs an experiment where she will put the same amount of air into three different balloons. One balloon will be submerged in ice water, one balloon will be carefully heated with a hair dryer, and the last balloon will be left alone.

The average kinetic energy of the particles in an object is directly proportional to its a. heat. b. volume. c. temperature. d. potential energy.

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The dissolution of barium hydroxide in water is an exothermic process. Which of the following statements is correct? A) The enthalpy of solid barium hydroxide plus pure water is less than that of the solution, at the same temperature.

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If the pH of a wine is too high, say, 4.0 or above, the wine becomes unstable and has a flat taste. (a) A certain California red wine has a pH of 3.5, and a certain Italian white wine has a pH of 2.9.

Sodium hydroxide reacts with carbon dioxide as follows: which is the limiting reactant when 1.85 mol naoh and 1.