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30 Cards in this Set

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Suspension
when solid particles are large enough to settle out and be filtered from liquid
water and coffee ground
colloid
when solid particles are in the water; theyre still present
milk- think tyndal effect
solution
completely mixed; cannot see patricles with naked eye
water and salt
Tyndal effect
the scattering of light to see if the particles are still visible in the water
molecular mass
the counting of particles by measuring th mass of a substance

atomic mass x 6.02 x 10^23
think of avogadro's number
oxidation
the process of loosing electrons
reduction
gaining electrons
osidation-reduction
the gaining and loosing of electrons simultaneously
density fomrula
d=m/v

density= mass over volume
think of driving...
heat of combustion
the thermal energy thats released when a specific quanity of material is burned
heat= energy
alkene
series of hydrocarbons one or more double covalent bond
hydrocarbon
oxygon, carbon, hydrogen
unsaturated hydrcarbon
carbon carbon double bonds

more chemically reactive
bonds
Alkane
hydrocarbon containing one single covalent bond
-OH group
characteristic of Functional Alcohols
alcOHol
Carboxyllic acids
class of oxygen containing organic compounds
contains two oxygon atoms
property of gasses
colourless odorless tastless (generally)
pressure
amount of force in an area
kinetic molecular theory
constant motion until change of dircetion occurs with collision with each other or outer wall
Avogadro's number
6.02 x 10^23
heat capacity
thermal energy needed to raise the temperature of one gram of a material by one degree celcius.

unit is j/(gC)
acids
ion or compound that produces hydrogen ions
atron acids v.s. weak acids
stron acid ionizes completely, where as a weak acid only ionizes a few molecules
buffer system
a neutralizer
doesnt significantly change the pH level
non-ionizing radiation
transferes energy to matter and moves the electrons to a higher level or to heat up
microwave (where you heat up your food)
ionizing radiation
carries more energy and ejects elecetrons from atoms and molecules

forms molecular fragments and ions which are dangerous
cause seriousl cell damage
nuclear radiation

x-rays
carbohydrate
carbon, hydrogen, oxygen
fat
carbon hydrogen and oxygen
but contain more carbon and hydrogen, and fewer oxygen atoms than a carbohydrate
protien
structeral component of human tissue (muscles, ligaments, etc)

polymers built frmo smaller molecules called amino acids (which has carbon hydrogen oxygen adn nitrogen)
enzyme
breaks down food

a catalyst in every cell in your body