Chapter 3 Vocabulary

the state of matter in which materials have a definite shape and a definite volume

• Solid
• Liquid
• Gas
• Kinetic energy

the result of a force distributed over an area

• Pressure
• Absolute zero
• Charles's law
• Boyle's law

a temperature of 0 kelvins

• Pressure
• Absolute zero
• Charles's law
• Boyle's law

the phase change in which a substance changes form a solid to a gas or vapor without changing to a liquid first

• sublimation
• phase change
• endothermic
• heat of fusion
• exothermic

the inverse variation of the volume of a gas with its pressure if the temperature and the number of particles are constant

• Pressure
• Absolute zero
• Charles's law
• Boyle's law

the state of matter in which materials have a definite volume but not a definite shape

• Solid
• Liquid
• Gas
• Kinetic energy

the pressure caused by the collisions of particles in a vapor with the walls of a container

• vapor pressure
• phase change
• endothermic
• heat of fusion
• exothermic

a description of a change in which a system absorbs energy from its surroundings

• endothermic
• phase change
• heat of fusion
• exothermic
• vaporization

the phase change in which a substance changes form a liquid into a gas

• vaporization
• phase change
• endothermic
• heat of fusion
• exothermic

the energy a substance must absorb in order to change form a liquid to a gas

• heat of vaporization
• phase change
• endothermic
• heat of fusion
• exothermic