5 Written Questions

1. the energy-requiring process by which a liquid changes to a gas or vapor
2. A graph of pressure versus temperature that shows which phase a substance exists in under different conditions of temperature and pressure.
3. the energy-releasing process by which a substance changes from a gas or vapor to a solid without first becoming a liquid
4. intramolecular
5. the kinetic-molecular theory

5 Matching Questions

1. Evaporation
2. Amorphous solid
3. How are crystalline solids classified?
4. Crystalline Solid
5. Unit cell

1. a solid whose atoms, ions or molecules are arranged in an orderly, geometric, 3D structure.
2. b by their shape and composition
3. c a solid in which particles are not arranged in a regular, repeating pattern that often is formed when molten material cools too quickly to form crystals
4. d the smallest arrangement of atoms in a crystal lattice that has the same symmetry as the whole crystal; a small representative part of the larger whole.
5. e the process in which vaporization occurs only at the surface of a liquid

5 Multiple Choice Questions

1. measure of average kinetic energy of particles in a sample of matter
   1. Pressure
   2. Temperature
   3. Evaporation
   4. Deposition
2. describes behavior of gases in terms of particles in motion; makes several assumptions about size, motion and energy of gas particles
   1. intermolecular forces
   2. Elastic Collision
   3. Temperature
   4. Kinetic Molecular Theory
3. states that the total pressure of a mixture of gases is equal tot he sum of pressures of all the gases in a mixture
   1. Graham's Law
   2. Dalton's Law of Partial Pressures
   3. Vapor Pressure
   4. Graham's Law of Effusion
4. they are in a low-density state consisting of tiny, constantly moving particles
   1. When are states of a substance referred to as phases?
   2. What explains the expansion, diffusion, exersion, compression and pressure of gases?
   3. What explains the behavior of solids and liquids?
   4. what explains the different properties of solids, liquids and gases?
5. the temperature at which a liquid is converted into a crystalline solid.
   1. Deposition
   2. Triple Point
   3. Boiling Point
   4. Freezing Point

5 True/False Questions

1. Pascal (Pa) → SI unit of pressure. Equal to the force of 1 newton/m2

   True        False

2. hydrogen bond → the process in which vaporization occurs only at the surface of a liquid

   True        False

3. viscosity → the movement of one material through another from an area of higher concentration to lower concentration

   True        False

4. Graham's Law of Effusion → used to compare the diffusion rates of 2 gases
   Rate A/Rate B = square root of molar mass b/molar mass a

   True        False

5. dipole-dipole force → intermolecular forces between temporary dipoles

   True        False