Chapter 2 “Matter and Change”. Charles Page High School Pre-AP Chemistry Stephen L. Cotton. Section 2.1 Properties of Matter. OBJECTIVES: Identify properties of matter as extensive or intensive. Section 2.1 Properties of Matter. OBJECTIVES:
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Charles Page High School
Stephen L. Cotton
- Mass, volume, calories are examples
- Hardness, Density, Boiling Point
Result of aTemperatureIncrease?
Will it Compress?
Translate, & Rotate
Heat energy added
& a Compound
Distillation:takes advantage of different boiling points.
NaCl boils at 1415 oC
a) elements, or
A change in which one or more substances are converted into different substances.
Heat and light are often evidence of a chemical change.
But, there are examples of these that are not chemical – boiling water bubbles, etc.
Mass is neither created or destroyed in a Chemical Reaction.
In a Nuclear Reaction there is a small amount of mass that is unaccounted for.
Some mass is converted into energy. E=mc2
43.43 g Original mass
= 43.43 g Final mass
Matter and Change