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Physical and Chemical Properties of Matter
Transcript of Physical and Chemical Properties of Matter
Chemistry: the study of matter and the changes it undergoes.
So what is matter?
Mass vs. Weight
Matter is anything that has mass and takes up space.
Mass is a measurement that reflects the amount of matter.
Weight is a measure not only of the amount of matter but the effect of gravitational pull on an object.
Physical Properties of Matter
a characteristic that can be observed or measured without changing the sample's composition.
examples: density, color, odor, taste, hardness, melting point, and boiling point.
Properties of Matter
A substance has physical and chemical properties
Chemical Properties of Matter
the ability of a substance to combine with or change into one or more other substances.
The changes in substance occurs when in contact with other substances, thermal or electrical energy.
Examples: Iron turning orange brown when rusting.
Copper Wire and Copper Statue of Liberty
List all Physical and Chemical Properties
Physical Changes of Matter
substance is altered without changing its composition.
example: aluminum foil can be smashed, crumpled, ripped, cut, and smoothed out but it remains the same aluminum foil.
change in state: Ice (solid) to Water (liquid) to Water Vapor (gas).
Changes in matter can be physical or chemical.
Chemical Changes in Matter
evidence of a chemical change also known as a chemical reaction are: change in color, temperature change, emission of light, formation of gas, formation of new solid (precipitate).
Do you have these definitions in your notes?