Density Review and Classification of Matter. Density Density = Mass Volume Unit: g/ml

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A student is taking measurements on a rock that he found. Its mass was 15g, and he volume was 3ml. What was the rock’s density?

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Density Review and Classification of Matter

DensityDensity = Mass

Volume

Unit: g/ml

A student is taking measurements on a rock that he found. Its mass was 15g, and he volume was 3ml. What was the rock’s density?

What is the volume of an object if the density is 10g/ml, and it’s mass is 30g?

What is the mass of an object if the volume is 10ml, and the density is 4g/ml?

Matter

Solid

Plasma

Gas

Liquid

Definite Volume

Definite Shape

Not compressibl

Definite Volume

Indefinite Shape

Not compressible

Compressible

Indefinite Shape

Indefinite Volume

Extremely High

Temperatures only

Bose-Einstein

CondensateExtremely

low temperature

s only

Matter

Substance Mixture

HeterogeneousHomogeneousCompoundElement

Substances•Elements- simplest kind of matter

• Cannot be broken down into simpler• All one kind of atom.

•Compounds are substances that can be broken down by chemical methods

• When they are broken down, the pieces have completely different properties than the compound.• Made of molecules- two or more atoms

Mixtures•Made up of two substances.•Heterogeneous- mixture is not the same from place to place.

• Chocolate chip cookie, gravel, soil.•Homogeneous- same composition throughout.

• Kool-aid, air.•Every part keeps its properties.

Solutions•Homogeneous mixture•Can occur between any state of matter.

• Solid in liquid- Kool-aid• Liquid in liquid- antifreeze• Gas in gas- air• Solid in solid - brass• Liquid in gas- water vapor

•Like all mixtures, they keep the properties of the components.•Can be separated by physical means

Substance- ElementSubstance- Compound

Heterogeneous MixtureHomogeneous Mixture

Chlorine

Water

Soil

Sugar Water

Oxygen

Carbon Dioxide

Rocky Road Ice Cream

Alcohol

Pure Air

Iron

Evaporation

Filtration

Magnetic Attraction

Decantation

Thin Layer Chromatography (TLC)

Chromatogram of 10 essential oils colored with vanillin reagent.

Centrifuge

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