G-2 and G-3: Chem VS Phys Properties & Phase Changes

Intensive

Density (I or E)

Intensive

Molar mass (I or E)

Intensive

BP (I or E)

Intensive

Elec. Conductivity (I or E)

Intensive

Temperature (I or E)

Intensive

Specific heat capacity (I or E)

Extensive

Volume (I or E)

Extensive

Mass (I or E)

Extensive

Surface Area (I or E)

Extensive

Enthalpy (I or E)

Extensive

Total E (I or E)

Extensive

No. of particles (I or E)

Phys and Chem properties

Ways which matter can be distinguished, types

Physical Property

Doesn’t need any reaction/change to measure

Chemical property

Requires changes and measures/describes Chem behaviour

74% Hydrogen, 24% He, 2% Nonmetals

Composition of the Universe

Calcium, Aluminum, Silicon, Oxygen, Iron

Earth crust + oceans composition

CHO

90% of the human body

65%

Oxygen in the body composition

18% C

Carbon composition in the body

10% H

Hydrogen percent in the body

74% H

H percent in the universr

24% He

He percentage in the universe

50% Oxygen, 25% O, 7% Al, 5% Fe, 3% Ca

Oxygen, Silicon, Aluminum, Iron, and Calcium in the earth percentage

Electrolysis

Used to separate water components

Joseph Louis Proust

stated the LCC or LDP

Law of Constant Composition/ Law of definite proportions

No matter the source except for purity, precursor, or conditions , a compound will always have the same form and property

Solution

A type of homogenous mixture that solids, liquids, or gases can form

Chemical Properties

How does a substance react to form another substance?

Physical properties

No need for changing identities to observe

Distillation

Physical separation of a solution by differences in boiling point

Chromatography

Physical separation by affinity

Liquid crystals

have solid and liquid properties

Potential energy

Energy relative to position

FxD

Work is?

Work and Heat

Ways energy is transferred

Electrostatic potential energy

interactions between charged particles