Chapter 24 Flashcards

0
Q

Shorthand method to describe chemical reactions using chemical formulas and other symbols.

A

Chemical equation

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1
Q

Chemical equation with the same number of atoms of each element on both sides of the equation.

A

Balanced chemical equation

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2
Q

Substance that speeds up a chemical reaction without being permanently changed itself.

A

Catalyst

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3
Q

Process in which one or more substances are changed into new substances

A

Chemical reaction

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4
Q

Number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction

A

Coefficient

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5
Q

Chemical reaction in which one substance breaks down into two or more substances

A

Decomposition reaction

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6
Q

Chemical reaction that produces a precipitate, water, or a gas when two ionic compounds in solution are combined

A

Double-displacement reaction

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7
Q

Chemical reaction; requires energy to proceed

A

Endergonic reaction

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8
Q

Chemical reaction that requires heat energy to proceed

A

Endothermic reaction

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9
Q

Chemical reaction in which energy is primarily given off in the form of heat.

A

Exothermic reaction

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10
Q

Substance that slows down a chemical reaction or prevents it from occurring by combining with a reaction

A

Inhibitor

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11
Q

Insoluble compound that comes out of solution during a double-displacement reaction

A

Precipitate

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12
Q

In a chemical reaction, the new substance that is formed

A

Product

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13
Q

In a chemical reaction, the substance that reacts

A

Reactant

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14
Q

Chemical reaction in which two or more substances combine to form a different substance

A

Synthesis reaction

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15
Q

French chemist that discovered the law of conservation of mass

A

Lavoisier

16
Q

A thin protective coating that occurs when a metal reacts with oxygen.

A

Patina

17
Q

Chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light. Produce one or more products that contain the elements in the reactants.

A

Combustion reaction

18
Q

A diagram that lists metals according to how active they are.

A

activity series

19
Q

Chemical reaction in which one element replaces another element in a compound.

A

Single displacement reaction