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Chemistry Pg 8& 41-53 > Introductions To Chem And Matter > Flashcards

Introductions To Chem And Matter Flashcards

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0
Q

Inorganic chemistry

A

Study of chemicals that do not contain carbon

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1
Q

Organic chemistry

A

Study of all chemicals containing carbon

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2
Q

Biochemistry

A

Takes place in organisms

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3
Q

Analytical chemistry

A

Composition of matter

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4
Q

Physical chemistry

A

Mechanism, the rate, and the energy transfer that occurs when matter undergoes a change

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5
Q

States of matter

A

Solid , liquid , and gas

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6
Q

Solid

A

Definite shape, definite volume, incompressible.

Expand when heated.

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7
Q

Liquid

A

Takes shape of container , incompressible , and definite volume

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8
Q

Gas

A

Takes shape of container, easily compressed , and any volume

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9
Q

Physical change

A

Properties of a material change but composition doesn’t change

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10
Q

Two categories used to classify physical changes

A

Reversible and irreversible

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11
Q

Mixture

A

Physical blend of two or more components

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12
Q

Heterogeneous mixtures

A

Composition is not uniform throughout

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13
Q

Homogeneous mixtures

A

Composition is uniform throughout

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14
Q

Another name for homogeneous mixture

A

Solution

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15
Q

Phase

A

Any part of a sample with uniform composition and properties

16
Q

How many phases in heterogenous mixtures ?

A

Two or more

17
Q

How many phases are in homogeneous mixtures ?

A

One phase

18
Q

Filtration

A

Separated a solid from the liquid in heterogeneous mixtures

19
Q

Distillation

A

A liquid is boiled to produce a vapor that is then condensed into a liquid.

20
Q

Element

A

Simplest form of matter that has unique set of properties

21
Q

Compound

A

Substance that contains two or more elements chemically combined in a fixed proportion

22
Q

Compounds can be broken Down but …

A

Elements can not

23
Q

Chemical change

A

Change that produces matter with a different composition than the original matter.

24
Q

Process that breaks down water

A

Electricity

25
Q

If the composition of a material is fixed it is a

A

Substance

26
Q

If the composition of a material varys it is

A

Mixture

27
Q

Chemical property

A

Ability of a substance to undergo a specific chemical change

28
Q

During chemical change , the composition of matter …

A

Always changes

29
Q

Chemical reaction

A

One or more substances game into one or more new substances.

30
Q

Reactant

A

Substance present at the start of the reactant

31
Q

Product

A

Substance produced in the reaction.

Chemistry Pg 8& 41-53 (1 decks)

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