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Celsius equation for Fahrenheit
°C= 5/9 (°F32

Celsius equation for Kelvin
°C= K273

Basic Units of Measurement
 Mass ⇨ grams
 Distance ⇨ meters
 Volume ⇨ liters

Area equation
Area= distance × distance

Volume equation
Volume= length × width × height


Mega
 Abbreviation: M
 Power of 10: 10^{6}

Kilo
 1000
 Abbreviation: K
 Power of 10: K^{3}

Deci
 0.1
 Abbreviation: D
 Power of 10: 10^{1}

Centi
 0.01
 Abbreviation: C
 Power of 10: 10^{2}

Milli
 0.001
 Abbreviation: m
 Power of 10: 10^{3}

Micro
 0.000001
 Abbreviation: μ
 Power of 10: 10^{6}

Nano
 0.000000001
 Abbreviation: N
 Power of 10: 10^{9}



Useful units of conversion
 1 inch = 2.54 cm
 1 foot = 0.305 m
 1 mile = 1.609 km
 1 mph = 0.447 m/s
 1 m = 39.37 in
 1 km = 0.621 miles
 1 m/s = 2.24 mph

Common SI Units
 Quantity: Unit: Abbreviation:
 time second s
 length meter m
 mass kilogram kg





1 L= mL?
1,000 Milliliters

1 cm^{3}=mL? (cubic centimeter)
1 mL

1 dm^{3}=L? (cubic decimeter)
1 Liter




Atomic mass unit abbreviation
"u" = 1.661 X 10^{10}

What is Avogrado's number? (represents number of atoms or molecules in an element or compound)
6.022 X 10^{23}

1mol= weight of?
^{}atomic weight (g) on periodic table

To find # of atoms/molecules use?
 Avogrado's number
 6.022 X 10^{23}

Equation to find mass percent?
 mass of element in compound
 mass of total compound
Multiplied by 100

