Match the term with its description. Match Term Definition D Acid A) A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution A Base B) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water C Ions C) An atom or molecule that has a positive or negative charge B pH D) A compound that increases hydrogen ions (H+) when it is dissolved in a solution

There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .