States of Matter

Objectives

• Describe the assumptions of the kinetic theory as it applies to gases
• Interpret gas pressure in terms of kinetic theory
• Define the relationship between Kelvin temperature and average kinetic energy

Vocabulary: kinetic energy- kinetic theory - gas pressure - vacuum - atmospheric pressure - barometer - pascal (Pa) - standard atmosphere (atm)

Objectives

• Identify factors that determine physical properties of a liquid
• Define evaporation in terms of kinetic energy
• Describe the equilibrium between a liquid and its vapor
• Identify the conditions at which boiling occurs

Vocabulary: vaporization - evaporation - vapor pressure - boiling point - normal boiling point

Objectives

• Evaluate how the way particles are organized explains the properties of solids
• Identify the factors that determine the shape of a crystal
• Explain how allotropes of an element are different

Vocabulary: melting point - crystal - unit cell - allotropes - amorphous solid - glass

Objectives

• Identify the conditions necessary for sublimation
• Describe how equilibrium conditions are represented in a phase diagram

Vocabulary: sublimation - phase diagram - triple point