TEAS 7 Chemistry: Physical Properties, States Of M
TEAS 7 Chemistry: Physical Properties, States of M
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TEAS 7 Chemistry: Physical Properties, States of Matter, and Water(You'll have 8 scored chemistry questions on the TEAS 7)
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TEAS 7 Chemistry: Physical Properties, States of M
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TEAS 7 Chemistry: Physical Properties, States Of M
TEAS 7 Chemistry: Physical Properties, States of Matter, and Water(You'll have 8 scored chemistry questions on the TEAS 7)Kinetic Molecular Theory
Theory that all matter is composed of particles (atoms and molecules) moving constantly in random directions.
Molecule motion changes as is heat ad...
and wateryoull have 8 scored chemistry questions on the teas 7
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TEAS 7 Chemistry: Physical Properties, States of M
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TEAS 7 Chemistry: Physical Properties,
States of Matter, and Water
Kinetic Molecular Theory - Answer Theory that all matter is composed of particles
(atoms and molecules) moving constantly in random directions.
Molecule motion changes as is heat added or removed.
What does the phase of a substance depend on? - Answer 1. Temperature
2. Pressure
Mass - Answer Amount of matter in an object, the number of molecules
Volume - Answer Amount of space occupied by a specific number of molecules
3 states of matter - Answer 1. Solid
2. Liquid
3. Gas
Solid - Answer 1. Fixed shape and volume
2. High pressure
3. Low temperature
4. High atomic attraction
Liquid - Answer 1. Fixed volume but changing shape (takes shape of container)
2. High pressure
3. Higher temperature
4. Weaker physical bonding
Gas - Answer 1. Changing volume and shape
2. Low pressure
3. Higher temperature
4. Weaker atomic attraction
Phase change - Answer Change from one state (solid or liquid or gas) to another
without a change in chemical composition.
Involves adding or removing heat.
Exothermic reaction - Answer A reaction that releases energy in the form of heat
Endothermic reaction - Answer A reaction that absorbs energy in the form of heat
2 external factors that affect matter state - Answer 1. Temperature
2. Pressure
, TEAS 7 Chemistry: Physical Properties,
States of Matter, and Water
Evaporation - Answer Liquid --> Gas
Phase transition
Adding heat
Happens at boiling point and depends on atmospheric pressure
Physical properties of matter - Answer Characteristics of matter that can be observed
without changing the substance into something else: color, shape, hardness, mass,
volume, density
Most important for the TEAS
Extensive physical properties - Answer Properties that do depend on the amount of
matter present
1. Mass
2. Volume
3. Heat Capacity
Intensive physical properties - Answer Properties that do not depend on the amount of
matter present
1. Boiling Point
2. Melting Point
3. Density
4. Molarity
Chemical properties of matter - Answer Characteristics of matter that can be observed
when a substance interacts with another substance to change composition and identity.
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