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Chemistry 111 Chapter 1 Cheat Sheet by

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Both Systems

1 Foot=12 Inches = 0.33= 5280 Miles
1 gallon = 4 quarts= 8 pints = 16 cups = 32 fluid ounces
1 pound = 16 ounces
200 pounds=ton
Kilo Deca Unit Deci Centi Milli Micro nano pico

Conver­sions from Imperial to Metric

1 Pound =
454 g
1 yd =
0.914 m
1 qt =
0.946 L
 

Signif­icant Figure Rules

Nonzero=
Signif­icant
Indepe­ndent of Decimal =
73.14 = 4 SF
Zeros inbetween nonzeros =
Signif­icant: 60.052 = 5 SF
Trailing Zeros con Decimal =
Signif­icant: 4.70 = 3 SF: 100= 1SF but 100. = 3 SF

Scientific Notation Rules

Convert # >1 =
OG Dec Goes <-
Convert # >1 =
Multiply 10^x
Convert # <1 =
OG Dec goes ->
Convert # <1 =
Multiply 10^-x
 

Multip­lying & Dividing Sig Fig

Fewest SF =
# used

Adding & Subtra­cting SigFig

Least # after Dec =
Sig Fig
Ex: 2.55+2.5=
5.0
Sig Fig right of Dec=
Right of Sig fig

Adding & Subtra­cting Sci Nota

Convert to
standard form
Make Exponents
similar
 

Conver­sions Between F,C, & K

F to C=
(F-32)­/(5/9)
C to F=
(9/5)C+31
C to K
C+273.15

Energy Conver­sions

1 calorie=
4.18 Joules (J)
kcal=
1 Calorie= 1000 calories

Calcul­ating Density

Density=
m/V

Calcul­ating Density

Density=
m/V

Specific Gravity

Specific Gravity=
Density of object­/De­nsity of water

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