Equations to Know for Midterm Examination I
Yu Kay Law
Winter Quarter, 2008
This is an
unofﬁcial
list of the equations that you must know for Midterm I. Note that it is
neither deﬁnitive nor complete. There is inevitably a personal choice. For instance, I do not
believe that, once you know the geometry of the three main types of unit cell, that you need to
memorize the formulae for those, and this list
is
designed to be minimalist in nature. Also, these
may be errorprone.
Also, equations from Chapters 19 will
not
be included.
1 Chapter 10  Gases
•
Deﬁnition of Pressure (10.2, p. 401 equation 10.1)
P
=
F
A
(1)
•
Solutions to Manometer Problems (10.2, p. 403 ﬁgure 10.3)
P
gas
=
P
atm

h
(2)
P
gas
=
P
atm
+
h
(3)
•
The Ideal Gas Equation (10.4, p. 409 equation 10.5)
PV
=
nRT
and
PV
T
=
constant
(4)
•
Dalton’s Law of Partial Pressures (10.6, p. 417 equation 10.12)
P
T
=
P
1
+
P
2
+
P
3
+
···
(5)
•
Relationship Between Mole Fraction and Partial Pressures (10.6, p. 416 equation 10.15)
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 Winter '07
 Zellmer
 Chemistry, Ideal gas equation

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