general chem reference table

Page 1

Rochester City School District

General Chemistry Reference Tables Table A Standard Temperature and Pressure Name Standard Pressure Standard Temperatur e

Value 101.3 kPa 1 atm 273 K 0°C

Table C Selected Polyatomic Ions

Unit Kilopascal Atmosphere kelvin degree Celsius

Symbol m g Pa K mol

Name meter gram pascal kelvin mole

J

joule

s L M

second liter molarity

ammonium

NO2- nitrite

CO3-2 carbonate

NO3- nitrate

HCO3- hydrogen carbonate

OH-

ClO- hypochlorite

PO4-3 phosphate

O2-2

SO4-2 sulfate

peroxide

hydroxide

Table D Important Formulas

Table B Selected Units

NH4+

Quantity length mass pressure termperature amount of substance energy, work,

D = Density

density m D= v

m = mass v =

volume

quantity of heat

time volume solution concentration

Number of Moles

Temperatur e

#of moles =

given mass ( g ) gram − formula mass

K = °C + 273

Table E Solubility Curves 1

2005–2006


Rochester City School District

Table F Heats of Reaction at 101.3 kPa & 298 K 2

2005–2006


Rochester City School District Reaction C 3 H 8(g) 4H 2 O (l)

+

∆H (kJ)

5O 2(g)

3CO 2(g)

C 6 H 12 O 6(s) + 6O 2(g) 6H 2 O (l) N 2(g)

+

2H 2(g)

2O 2(g) +

+

-2219.2

6CO 2(g) +

-2804

2NO 2(g)

O 2(g)

+66.4

2H 2 O 2(l)

-571.6

N 2(g)

+

3H 2(g)

2NH 3(g)

-91.8

2C (s)

+

3H 2(g)

C 2 H 6(g)

-84.0

2C (s)

+

2H 2(g)

C 2 H 4(g)

+52.4

2C (s)

+

H 2(g)

C 2 H 2(g)

+227.4

NaOH (s)

H 2O

NH 4 NO 3(s)

H 2O

Na + (aq)

+

NH 4 + (aq)

OH - (aq)

-44.51

+ NO 3 - (aq)

+25.69

*Minus sign indicates an exothermic reaction

Formula HCl (aq) HNO 3(aq) H 2 SO 4(aq) H 3 PO 4(aq) H 2 CO 3(aq) or CO 2(aq) CH 3 COOH or HC 2 H 3 O 2(aq)

Name hydrochloric acid nitric acid sulfuric acid

Formula NaOH (aq)

sodium hydroxide

KOH (aq)

potassium hydroxide

Ca(OH) 2(a

calcium hydroxide

phosphoric acid

q)

carbonic acid

NH 3(aq)

ethanoic acid (acetic acid)

Common Bases

Name

Table G Table H Common Acids

ammonia (aqueous)

Table I 3

2005–2006


Rochester City School District Common Acid­Base Indicators Indicator

methyl orange bromthymol blue phenolphthalein litmus bromcresol green thymol blue

Table J Organic Prefixes

Table K

Name

Genera l Formul a

Name Formula

Alkanes

CnH2n+2

ethane

Alkenes

CnH2n

ethane

Alkynes

CnH2n-2

ethyne

Table K Symbols Used in Nuclear Chemistry Name

4 2

beta particle (electron)

0 −1

α

He or 24α

gamma radiation

e or 0 0

neutron

1 0

proton

1 1

4 positron

0 +1

β

0 −1

β

γ

γ

n

n

H or e or

red to yellow yellow to blue colorless to pink red to blue yellow to blue yellow to blue

1 1

p

p

β β+

0 +1

Examples Structural

Table L Selected Radioisotopes

Symbol

Notatio n

alpha particle

Color change

Homologous Series of Hydrocarbons

Number of Carbon Atoms 1 2 3 4 5 6 7 8

Prefix methethpropbutpenthexheptoct-

Approximat e pH range for color change 3.2 – 4.4 6.0 – 7.6 8.2 – 10 5.5 – 8.2 3.8 – 5.4 8.0 – 9.6

Nuclid e 14

C 60 Co 137 Cs 131 I 37 K 85 Kr 90 Sr 222 Rn 235 U

Half-life

Deca y Mode

Nuclide Name

5730 y 5.26 y 30.23 y 8.07 d 1.23 s 10.76 y 28.1 y 3.82 d 7.1 x 108 y

β­ β­ β­ β­ β+ β­ β­ α α

carbon-14 cobalt-60 cesium-137 iodine-131 potassium-37 krypton-85 strontium-90 radon-222 uranium-235

2005–2006


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