Chemistry Chapter 11: States of Matter

5 Written Questions

1. the change of state from a liquid to a solid
2. The temperature at which a liquid changes into a solid
3. the change of a substance from a liquid to a gas
4. the force that acts on the surface of a liquid and that tends to minimize the area of surface.
5. a part of matter that is uniform

5 Matching Questions

1. solid
2. boiling point
3. triple point
4. sublimation
5. liquid

1. a (chemistry) a change directly from the solid to the gaseous state without becoming liquid
2. b a substance in the fluid state of matter having no fixed shape but a fixed volume
3. c substance of definite shape and volume
4. d The temperature and pressure at which a liquid and a gas are in equilibrium
5. e the temperature and pressure conditions at which the solid, liquid, and gaseous phases of a substance coexist at equilibrium

5 Multiple Choice Questions

1. the strongest force attracting particles together
   1. dipole
   2. ionic force
   3. boiling point
   4. solid
2. A state of matter with no definite shape or volume
   1. liquid
   2. gas
   3. phase
   4. solid
3. enthalpy of melting (is the same as)
   1. phase diagram
   2. enthalpy of vaporization (is the same as)
   3. vapor pressure
   4. enthalpy of fusion (is the same as)
4. the intermolecular attraction resulting from the uneven distribution of electrons and the creation of temporary dipoles, all ions, atoms, and molecules are attracted by these forces.
   1. dipole-dipole forces
   2. ionic force
   3. London dispersion forces
   4. intermolecular forces
5. the intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule
   1. triple point
   2. evaporation
   3. deposition
   4. hydrogen bond

5 True/False Questions

1. condensation → change of matter from a gas to a liquid state

   True        False

2. enthalpy of vaporization (is the same as) → enthalpy of melting (is the same as)

   True        False

3. critical point → The temperature and pressure at which a liquid and a gas are in equilibrium

   True        False

4. melting point → temperature at which a solid becomes a liquid

   True        False

5. equilibrium → a substance in the fluid state of matter having no fixed shape but a fixed volume

   True        False