Vaccenic acid, C18H34O2, yields stearic acid on catalytic hydrogenation and undergoes oxidative cleavage with ozone to yield heptanoic acid and undecanedioic acid (C-11 diacid). Draw the structure of Vaccenic acid.

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction