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AP Chemistry Vocab > 2.1 Vocab > Flashcards

2.1 Vocab Flashcards

memorize these vocab words

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1
Q

Matter

A

Anything that has mass & occupies space

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2
Q

Mass

A

The amount of matter contained in a thing

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3
Q

Extensive Properties

A

Qualities dependent on the amount of materials
Ex: Mass,volume,electrical resistance

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4
Q

Intensive properties

A

Qualities that do not depend on the amount of material
Ex: Density, melting point

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5
Q

Physical Change

A

Change of form

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6
Q

Physical Property

A

Examples of physical change

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7
Q

Chemical Change

A

Changes into a new substance

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8
Q

Chemical Property

A

Describes chemical change or the tendency of a chemical to react

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9
Q

Kinetic energy

A

Any form of energy that cannot be stored

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10
Q

Mechanical energy

A

Types of motion
Ex: Transnational, rotational, & vibrational

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11
Q

Thermal Energy

A

The energy contained within a system that is responsible for its temperature

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12
Q

Temperature

A

A measure of the average kinetic energy of the atoms or molecules in the system

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13
Q

Heat

A

Energy transferred from one body to another because difference in temperature

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14
Q

Kinetic Molecular Theory

A

What happens to matter when the kinetic energy of particles changes

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15
Q

Vapor

A

The gas formed by a substance when boiling

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16
Q

Boiling Point

A

Substances highest possible temperature in liquid state

17
Q

Volatile Substances

A

Substances that readily evaporate or evaporate at high rates

18
Q

Heat of Fusion

A

The amount of heat required to melt a specific amount of a substance at its melting point

19
Q

Potential Energy

A

Stored energy

20
Q

Heat of Vaporization

A

Amount of heat required to evaporate a specific amount of a substance at its boiling point

21
Q

Reactivity

A

Whether a substance reacts or its reaction rate

22
Q

Heat of Formation

A

Heat released when a substance is formed from its elements

23
Q

Heat of Combustion

A

Heat released when a specific amount of a substance undergoes complete combustion with oxygen

24
Q

Atom

A

The smallest part of a substance that cannot be broken down chemically

25
Q

Molecule

A

A collection of atoms bonded together

AP Chemistry Vocab (2 decks)

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