Chapter 2 Flashcards
States of Matter
the physical forms of matter, which include solid, liquid, and state
Solid
the state of matter in which the volume and shape of a substance are fixed
Liquid
the state of matter that has a definite volume but not a definite shape
Surface Tension
the force that acts on the surface of a liquid and that tends to minimize the area of the surface
Viscosity
the resistance of a gas or liquid to flow
Gas
a form of matter that does not have a definite volume or shape
Temperature
a measure of how hot (or cold) something is; specifically, a measure of the movement of particles
Volume
a measure of the size of a body or region in three-dimensional space
Pressure
the amount of force exerted per unit area of a surface
Boyle’s law
the law that states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant
Charles’s law
the law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant
Change of State
the change of a substance from one physical state to another
Melting
the change of state in which a solid becomes a liquid by adding energy
Evaporation
the change of a substance from a liquid to a gas
Boiling
the conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure
