Chapter 2 Flashcards

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1
Q

The process by which one or more substances change to produce one or more different substance.

A

Chemical Reaction

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2
Q

A soild that is produced as a result of a chemical reaction in solution.

A

Precipitate

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3
Q

A combination of chemical symbols and numbers to represent a substance.

A

Chemical Formula

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4
Q

A representation of a chemical reaction that uses symbols to show the relationship between the reactant and the products.

A

Chemical Eqution

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5
Q

A substance or molecule that participates in a chemical reaction.

A

Reactant

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6
Q

The substance that forms in a chemical reaction.

A

Products

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7
Q

A reaction in which two or more substances combine to form new compound.

A

Synthesis Reaction

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8
Q

A reaction in which a single compound breaks down to form two or more substance.

A

Decomposition Reaction

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9
Q

A reaction in which one element or radical take place of another element or radical in a compound.

A

Single-Replacement Reaction

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10
Q

A reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ion between two compounds.

A

Double-Replacement Reaction

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11
Q

A chemical reaction in which heat is released to the surrondings.

A

Exothermic Reaction

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12
Q

A chemical reaction that requires heat.

A

Endorthermic Reaction

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13
Q

The law that states that energy cannot be created or destroyed but can be change from one form to another.

A

Law of Conservation of Energy

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14
Q

The minimum amount of energy required to start a chemical reaction

A

Activation Energy

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15
Q

A substance that slows down or stop a chemical reaction.

A

Inhibitor

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16
Q

A substancew that changes the rate of a chemical reaction without being use up or change very much.

A

Catalyst