1. An increase in pressure results in an increase in the freezing point of a substance.   True   False   2. The process by which a _______ changes into its gaseous state at a certain fixed temperature by the absorption of heat is called vaporization.   solid   liquid   3. If the specific latent heat of vaporization for water is 2.25 kJ/g, then the amount of heat required to vaporize 36 g of boiling water to steam at 100oC is   81 J   810 J   8100 J   81000 J   Hint Half-n-half Clue   4. The freezing point of salt water is less than 0oC.   True   False   5. The fixed temperature at which a gas changes into its liquid state is called the _______.   solidification point   fusion point   liquefaction point   vaporizaton point   Half-n-half Clue   6. With _______ in pressure, water boils above 100oC.   an increase   a decrease   7. Snow is formed due to a change of state from liquid to solid.   True   False