Which equation describes a reduction?
Mg(s)-> Mg2+ (aq) + 2e-
2Cl + Ze-201
Nais)
Na*(aq) + e
Al(s)
>A13+ (aq) +32

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

Compare and contrast physical changes with chemical changes.

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