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30 Cards in this Set

  • Front
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homogeneous mixture
no visibly different parts. Also called solution.
Examples of Homogeneous.
Homogenized milk, Koolaid, vinegar, most nail polishes
Flitration
commonly used to separate solids from liquids.
EX Water + ethanol + food coloring.
distillation
separeation based on difference in boiling points. Separation of liquid and liquid.
electrolysis
separeation of many mixtures by different charges.
chromatogoraphy
separation based on charge, polarity, 3-D shape, mass, etc. Ex. paper chromatography.
Characteristics of Compounds
The elements making up a compound are in definite proportion by mass always.
EX water is always 11.2 % hydrogen and 88 % oxygen
2 Characteristics of compounds
The chemical and physical properties of a compound differ from those of its consituents.
EX. Hydrogen is flammable, water is a liquid at room temperature, hydrogen and oxygen are gases.
3rd Characteristics of Compounds
Compounds can be formed from simpler substances by chemical change and they can be decomposed into simpler substances by chemical change.
EX C12H22O11 - 12C + 11H20
H2O
liquid
not flammable
H2
gas
flammable
02
gas
FeS
dark brown
not magnetic
doesn't smell icky
Fe
brown
magnetic
S
yellow
smells bad
homogeneous mixture
no visibly different parts. Also called solution.
Examples of Homogeneous.
Homogenized milk, Koolaid, vinegar, most nail polishes
Flitration
commonly used to separate solids from liquids.
EX Water + ethanol + food coloring.
distillation
separeation based on difference in boiling points. Separation of liquid and liquid.
electrolysis
separeation of many mixtures by different charges.
chromatogoraphy
separation based on charge, polarity, 3-D shape, mass, etc. Ex. paper chromatography.
Characteristics of Compounds
The elements making up a compound are in definite proportion by mass always.
EX water is always 11.2 % hydrogen and 88 % oxygen
2 Characteristics of compounds
The chemical and physical properties of a compound differ from those of its consituents.
EX. Hydrogen is flammable, water is a liquid at room temperature, hydrogen and oxygen are gases.
3rd Characteristics of Compounds
Compounds can be formed from simpler substances by chemical change and they can be decomposed into simpler substances by chemical change.
EX C12H22O11 - 12C + 11H20
H2O
liquid
not flammable
H2
gas
flammable
02
gas
FeS
dark brown
not magnetic
doesn't smell icky
Fe
brown
magnetic
S
yellow
smells bad