8) Which of the following factors will affect the rate of a reaction for first and second order reactions? (circle answer) I. Concentration of reactants II. Temperature III. Catalyst IV. Physical Phase i. I, II, III, IV ii. I and II only iii. I, II, II only iv. None of the above

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

The element that has the greatest electronegativity is

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?