Chapter 3 - Equations, the Mole, and Chemical Formulas - Questions and Exercises - Exercises - Page 132: 3.33

(a): $2C_{6}H_{10} + 17O_{2} → 12CO_{2} + 10H_{2}O$ (b): $Be(OH)_{2} + 2HNO_{3} → Be(NO_{3})_{2} + 2H_{2}O$

(a): Combustion of hydrocarbons produces carbon dioxide and water (b): Acid and base reacts to form salt and water Note that the same number of each of the elements must exist on the products and reactants side for each balanced reaction.