What is the equilibrium expression for the following reaction: SO₂ (g) + H₂O (l) ⇌ H₂SO₃ (aq)? A. [SO₂] / [H₂SO₃]
B. [H₂SO₃] / [SO₂][H₂O]
C. [H₂SO₃] / [SO₂]

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat