Honors Chemistry Unit 2 • Physical Behavior of Matter
STUDY
Classification of Matter:
 Describe the difference between atoms,
compounds, and mixtures (heterogeneous and
homogeneous)
 Describe how atoms combine to make
different types of matter
 Interpret models representing atoms,
compounds, mixtures, solids, liquids, and
gases
Energetic Nature of Phase Changes:
 Explain physical equilibrium: liquid waterwater vapor. Vapor pressure depends on
temperature and concentration of particles in
solution. (conceptual only – no calculations)
 Explain how the energy (kinetic and potential)
of the particles of a substance changes when
heated, cooled, or changing phase.
 Develop and use models to illustrate that
energy at the macroscopic scale can be
accounted for as a combination of energy
associated with the motions of particles and
energy associated with the relative position of
particles.
 Identify pressure as well as temperature as a
determining factor for phase of matter.
 Contrast heat and temperature, including
temperature as a measure of average kinetic
energy, and appropriately use the units Joule,
Celsius, and Kelvin.
GUIDE
 Explain phase change calculations in terms
of heat absorbed or released (endothermic
vs. exothermic processes).
Phase Diagrams
 Interpret the phase diagrams of water
(H2O) and carbon dioxide (CO2)
 Use phase diagrams to determine
information such as
o
phase at a given temperature and
pressure
o
boiling point or melting point at a
given pressure
o
triple point of a material.
Heat Transfer
 Recognize that, for a closed system,
energy is neither lost nor gained only
transferred between components of the
system.
 Explain the direction in which heat flows
 Describe energy as a quantitative property
of a system that depends on the motion
and interactions of matter within that
system
 Complete calculations of: 𝑞𝑞 = 𝑚𝑚𝑚𝑚∆𝑇𝑇,
𝑞𝑞 = 𝑚𝑚𝐻𝐻𝑓𝑓 , and 𝑞𝑞 = 𝑚𝑚𝐻𝐻𝑣𝑣 using laboratory
data
Heating and Cooling Curves:
Behavior of Gases
 Explain heating and cooling curves (heat of
fusion, heat of vaporization, specific heat,
melting point, and boiling point)
 Describe an ideal gas in terms of the
kinetic molecular theory
 Define and use the terms and/or symbols for:
specific heat capacity, heat of fusion, heat of
vaporization.
 Explain the significance of plateaus and the
physical states of each segment of heating
and cooling curves
 Complete calculations of: 𝑞𝑞 = 𝑚𝑚𝑚𝑚∆𝑇𝑇,
𝑞𝑞 = 𝑚𝑚𝐻𝐻𝑓𝑓 , and 𝑞𝑞 = 𝑚𝑚𝐻𝐻𝑣𝑣 using heating/cooling
curve data
 Explain the relationships among pressure,
temperature, volume, and quantity of gas,
both qualitatively and quantitatively
 Identify graphs representing relationships
among pressure, temperature, and volume
 Solve problems using the following
formulas:
o
o
o
𝑃𝑃1 𝑉𝑉1 = 𝑃𝑃2 𝑉𝑉2
𝑃𝑃1
𝑇𝑇1
𝑉𝑉1
𝑇𝑇1
𝑃𝑃
= 𝑇𝑇2
=
2
𝑉𝑉2
𝑇𝑇2