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General Chemistry Sem 1 > Test One Worksheet 1 Matter > Flashcards

Test One Worksheet 1 Matter Flashcards

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1
Q

Chemistry

A

Study of matter and its changes

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2
Q

Matter

A

Anything with mass that takes up space

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3
Q

Classifying matter by phase

A

Solid, liquid, gas

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4
Q

Solid

A

rigid, fixed shape, fixed volume, cannot be squashed

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5
Q

Liquid

A

not rigid, no fixed shape, fixed volume, cannot be squashed

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6
Q

Gas

A

not rigid, no fixed shape, no fixed volume, can be squashed

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7
Q

Classifying matter: By type

A

Mixture, Homogenous, Heterogenous

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8
Q

Mixture

A

Combination of 2+ substances

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9
Q

Homogenous Mixture

A

Mixture with uniform composition

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10
Q

Heterogenous Mixture

A

Mixture with non-uniform composition

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11
Q

Pure substance

A

Form of matter that has specific composition and distinct properties, element

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12
Q

Compound

A

Composed of 2+ elements in a fixed proportion

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13
Q

Element

A

Substance not separated by chemical means, (pure substance)

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14
Q

Solution

A

Homogenous mixture, liquid phase

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15
Q

Properties of Matter: Physical Property

A

Measurable or observed w/o chemical change

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16
Q

Examples of physical properties

A

Length, Luster, Mass, Density

17
Q

Chemical Property

A

Measurable or observed only by chemical change

18
Q

Examples of chemical properties

A

Acidity, flammability, toxicity

19
Q

Physical change

A

occurs w/o changing matter identity

19
Q

Chemical change

A

occurs with changing matter identity

20
Q

Extensive

A

Measurement of matter depends on amount of matter

21
Q

Extensive Examples:

A

Volume, mass, size, weight, Length

22
Q

Intensive:

A

Measurement DOES NOT depend on amount of matter

23
Q

Intensive Examples:

A

Boiling point, color, temperature, luster, hardness, density

24
Q

Quantitative

A

Has numerical value (measurement)

25
Q

Qualitative

A

Has description
(observation)

26
Q

Base Unit:

A

W/o prefixes, examples include m, g, s

27
Q

Density

A

Mass/Volume

28
Q

Temperature Kelvin

A

K= °C+273.15

29
Q

Temperature degrees Celsius

A

°C= °F-32 /1.8

General Chemistry Sem 1 (4 decks)

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