Would you expect to find dinosaur fossils in undisturbed rocks that are above the iridium layer? Explain your answer

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

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?