CHEM 15. REDOX REACTIONS
OXIDATIONREDUCTION REACTIONS or simply REDOX reactions involve the transfer of
electrons from one substance to another. As the name of the reaction implies, oxidation and
reduction go handinhand (that is, one cannot occur witho
THE KINETIC MOLECULAR THEORY OF GASES, LIQUIDS AND SOLIDS
The features of the theory as applied to gases are as follows:
1. Gases consist of a large number of particles (molecules or atoms).
2. The gas particles are far apart. The volume occupied by a gas
INTERMOLECULAR FORCES ANSWER KEY
(from Tro, Chapter 11, page 512)
49.
Determine the kinds of intermolecular forces that are present in each of the following elements or
compounds:
(a) Kr*
(b) NCl3*
(c) SiH4*
(d) HF*
(e) N2*
50.
(f) NH3*
(g) CO*
(h) CCl4*
COOLING CURVE
Temperature
g
gl
T1
l
ls
T2
s
t0
t1
t2
t3
t4
Time
A cooling curve is a graphical representation of the changes of states with uniform
removal of heat from a substance.
At t 0 t 1
As heat is removed from the gas, the average kinetic energy of
ELECTRON PAIR AND MOLECULAR GEOMETRIES
Type of
Molecular
Bond
Lewis Structure
Example
Molecule
Geometry
Angle
(following correct geometry)
A. Two Electron Pairs (Electron Pair Geometry: Linear)
AX2
Linear
180
BallandStick Model
CO2
B. Three Electron Pai
LIQUIDS
The liquid state

composed of molecules, atoms or ions
randomly packed in small groups
amount of free space between particles is quite small
the particles are at constant random motion
the particles attract each other
PHYSICAL PROPERTIES OF LIQUI
GASES
Matter occurs as large collections of atoms and molecules that we know as solids,
liquids and gases. Gases were the last to be recognized but have been the subject
of a great deal of scientific study because their physical properties are fairly easy
Unit 1.1
Derivatives of and Integrals
Yielding Circular Functions
MATH 27
Analytic Geometry and Calculus II
Theorem
The derivative of the sine and cosine functions are
given by
Dx (sin x) = cos x
Dx (cos x) = sin x
Theorem
The derivative of the tangent fu