Chemistry Formula And Constants Sheet Template
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1
2Massachusetts Department of
Massachusetts Comprehensive Assessment System
ELEMENTAR
ELEMENTARY & SECONDARY
T T A TA A RY
R R Y Y
R R Y & SECONDAR
Y &
R R Y Y
R R Y
Y
Chemistry Formula and Constants Sheet
Common Polyatomic Ions
Ion
Ionic Formula
NH
Ammonium
4
2-
CO
Carbonate
3
-
Hydroxide
OH
-
NO
Nitrate
3
3-
PO
Phosphate
4
2-
SO
Sulfate
4
P V
P V
1 1
2
2
Combined Gas Law:
T
T
1
2
Ideal Gas Law: PV
nRT
Dilution Formula: M
V
M
V
1
1
2
2
Molar Volume of Ideal Gas at STP: 22.4 L/mol
Ideal Gas Constant: R
0.0821 L
atm/mol
K
8.31 L
kPa/mol
K
•
•
•
•
STP: 1 atm (101.3 kPa), 273 K (0°C)
°C
Absolute Temperature Conversion: K
273
Defi nition of pH: pH
log [H
O ]
log [H ]
3
23
Avogadro’s Number: 6.02
10
particles/mol
Nuclear Symbols
Name
Symbol
4
Alpha particle
or
He
2
0
Beta particle
or
e
−
1
Gamma ray
1
n
Neutron
0
333
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