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physical science > Chapter 6- Chemical Reactions > Flashcards

Chapter 6- Chemical Reactions Flashcards

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1
Q

Reactant

A

Substances in a chemical reaction

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2
Q

Product

A

The finishing substance of a chemical reaction

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3
Q

Chemical energy

A

Energy that is released when there is a chemical change

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4
Q

Exothermic reaction

A

Real ease of heat during a chemical reaction

Example- burn candle

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5
Q

Endothermic reaction

A

Needs heat

Example- baking bread

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6
Q

Synthesis reaction

A

Two or more compounds together

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7
Q

Decomposition reaction

A

Compounds break down into simpler substances

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8
Q

Synthesis reaction

A

Two more compounds combined

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9
Q

Decomposition reaction

A

Compounds breakdown to form two or more simple substances

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10
Q

Electrolysis

A

Use of an electrical current to make a chemical reaction

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11
Q

Combustion reaction

A

Reaction of an organic compound and heat is produced

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12
Q

Single-displacement reaction

A

Another radical or element takes the place of another radical or element

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13
Q

Double-displacement reaction

A

A gas, solid particle, or molecular compound forms between two compounds exchanging atoms or ions

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14
Q

Oxidation-reduction reaction

A

one species loses electrons and another gains electrons, redox reaction

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15
Q

Radical

A

organic group having one or more electrons free to bond

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16
Q

Reduce

A

gain electrons

17
Q

Oxidized

A

loses electrons

18
Q

Law of conservation of mass

A

Mass cannot be created or destroyed

19
Q

Mole ratio

A

A number of moles in substance

20
Q

Coefficient

A

Numbers in front of the chemical

21
Q

Catalyst

A

Changes rate of reaction, but doesn’t consume or change substances significantly

22
Q

Enzyme

A

Protein that speeds up metabolism

23
Q

Substrate

A

Lies beneath another substance supporting another part

24
Q

Chemical equilibrium

A

A rate of a forward reaction reverses

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