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Science > Ch 14 Finals Review > Flashcards

Ch 14 Finals Review Flashcards

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1
Q

Ch 14.1

A process in which one or more substances change to form new substances is called a?

A

Chemical Reaction

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2
Q

Ch 14.1

A solid substance that is formed in a solution is called a?

A

Precipitate

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3
Q

Ch 14.1

Thermal energy produced by a fire is an example of?

A

Energy Change

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4
Q

Ch 14.1

Precipitate is an example of?

A

Solid Formation

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5
Q

Ch 14.1

Bubbles are an example of?

A

Gas Formation

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6
Q

Ch 14.1

White spots caused by bleach is an example of?

A

Color Change

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7
Q

Ch 14.1

What is the most important sign that a chemical reaction is occurring?

A

The most important sign is the formation of new substances that have different properties

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8
Q

Ch 14.1

What is a chemical bond?

A

A chemical bond is a force that holds two atoms together in a molecule

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9
Q

Ch 14.1

What makes chemical bonds break?

A

When molecules bump into each other the bonds break

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10
Q

Ch 14.2

What is the chemical formula for oxygen?

A

O2

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11
Q

Ch 14.2

What is the chemical formula for water?

A

H2O

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12
Q

Ch 14.2

What is the chemical formula for glucose?

A

C6H12O6

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13
Q

Ch 14.2

A combination of chemical symbols and numbers that represent a substance is called?

A

A chemical formula

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14
Q

Ch 14.2

What does a chemical formula show?

A

It shows how many atoms of each kind are present in a molecule

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15
Q

Ch 14.2

When chemical symbols and formulas are used as a shortcut to describe a chemical reaction, it is called?

A

Chemical Equation

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16
Q

Ch 14.2

A substance that forms in a reaction is called a?

A

Product

17
Q

Ch 14.2

A substance or molecule that participates in a chemical reaction is called?

A

Reactant

18
Q

Ch 14.3

What do all four types of reactions have in common?

A

They all have reactants and products

19
Q

Ch 14.3

When two or more substances combine to form one new compound, it is called?

A

Synthesis

20
Q

Ch 14.3

When a single compound breaks down to form one or two more simpler substances, it is called?

A

Decomposition

21
Q

Ch 14.3

When an element replaces another element in a compound it is called?

A

Single-Displacement

22
Q

Ch 14.3

When two reactants exchange ions to form two new compounds what type of reaction is this?

A

Double-Displacement

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