Compare the final energy stores between a ball which is dropped above the floor and bounces back to a portion of its original height, and another ball which is dropped and makes a crater in the sand below.

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas

Carbon tetrachloride (ccl4) is ionic or convalent