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Chem 2080  Prelim 1 Equation Sheet
H = U +PV
Δ
U = q + w
Δ
U = q
v
Δ
U =
Δ
H 
Δ
(PV) =
Δ
H  P
ext
Δ
V
=
Δ
H 
Δ
(nRT)=
Δ
H  RT
Δ
n
PV=nRT (ideal gas law)
ln(x
y
)= y ln(x)
Gas Constant: R = 8.314472 J mol
1
K
1
R = 0.0820574 L atm mol
1
K
1
R = 0.08314472 bar L mol
1
K
1
Gravity acceleration: g = 9.80665 m.sec
2
Grav. Pot. Energy:
E = mgh
Energy Conversion:
1 cal = 4.184 J
Kinetic Energy:
E = 1
/
2
mv
2
Heat Transferred:
q = (mass)(c)(
Δ
T) = C
Δ
T
Work:
w = P
ext
Δ
V
Avogadro's Number: N
A
= 6.022 x 10
23
mol
1
Arrhenius Equation:
k
=
Ae
−
Ea/RT
lnk
=
ln A
−
E
a
RT
Kelvin  Celsius:
T(K) = T(°C) + 273.15
Pressure:
1 atm = 760Torr = 760mm Hg
Physical Properties of Water :
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This note was uploaded on 03/02/2011 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell University (Engineering School).
 Spring '07
 DAVIS,F
 Reaction

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