An abundant polar covalent molecule that serves as a solvent, has a high heat capacity, creates a high surface tension, and serves as a. a lubricant b. a substance that dissociates into one or more hydrogen ions and one or more anions c. a substance that dissociates into cations and anions, neither of which is a hydrogen ion or a hydroxide ion d. a proton acceptor e. a measure of hydrogen ion concentration f. a chemical compound that can convert strong acids and bases into weak ones g. a catalyst for chemical reactions that is specific, efficient, and under cellular control h. a single-stranded compound that contains a five carbon sugar, and the bases adenine, cytosine, guanine, and uarcil i. a compound that functions to temporarily store and then transfer energy liberated in exergonic reactions to cellular activities that require energy j. a double-stranded compound that contains a five-carbon sugar, the bases adnenine, thymine, cytosine, and guanine, and the body's genetic material k. a charged atom l. a charged atom with an unpaired electron in its outermost shell