Measurement in Chemistry

Measurement
a quantitative observation that always consists of a number and a unit
Length
the distance between two points
Mass
amount of matter in an object
Time
duration ; how long something has been in existance
Temperature
measurement of the degree of heat of a substance
Converting Kelvin -> Celsius
Subtract 273 from the Kelvin degree
Converting Celsius -> Kelvin
Add 273 to the Celsius degree
Converting Celsius -> Fahrenheit
9/5(Tc) + 32degrees
Converting Fahrenheit -> Celsius
5/9(Tf – 32degrees)
Converting Kelvin -> Fahrenheit
Convert the Kelvin degree to Celsius and then the Celsius degree to Fahrenheit
Converting Fahrenheit -> Kelvin
Convert the Fahrenheit degree to Celsius, and then the Celsius degree to Kelvin
Boiling Point Kelvin
373
Freezing Point Kelvin
273
Freezing Point Celsius
0
Boiling Point Celsius
100
Boiling Point Fahrenheit
212
Freezing Point Fahrenheit
32
Kelvin Degree
measurement for Temperature
Kilogram
measurement for Mass
Second
measurement for Time
Mole
measurement for Particles of Matter
Meter
measurement for Length
Ampere
measurement for Electric current
Candela
measurement for Luminous Intensity
Electric current
flow of electrons in an electrical current
Luminous Intensity
brightness
Particles of Matter
atoms, molecules, ions, electrons, etc.
There are seven ____________ units in the SI ; all other units are derived units
fundamental
Units for ______, ______, & ______ are the most common derived units used in chemistry
area ; volume ; density
If the density of a solid is _________ than the density of a liquid, then it will sink
greater
If the density of a solid is _________ than the density of liquid, then it will float
less
Density
how much mass a substance has in relation to its volume
Specific Gravity
the ratio of the mass of a substance compared to the mass of an equal volume of pure water
x

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