A chemical reaction that has a negative AG is and a chemical reaction that has a positive AG is
a. Nonspontaneous; endergonic
O b. Spontaneous; nonspontaneous
Oc Nonspontaneous, spontaneous
d. Spontaneous; at equilibrium

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

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Answer explain why it is not possible to deduce a complete order of reactivity.