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Science > Vocabulary Chemical Reactions > Flashcards

Vocabulary Chemical Reactions Flashcards

1
Q

Chemical reactions

A

Process to rearrange atoms into new substances

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2
Q

Chemical formula

A

Chemical symbols + numbers to represent a substance

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3
Q

Chemical equation

A

Expression to show the relationship between reactants + products.

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4
Q

Reactants

A

Substance that participates in in the relationship between reactants + products

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5
Q

Products

A

Substances formed in a chemical reaction

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6
Q

Law of conservation of mass

A

Mass can not be create or destroyed

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7
Q

Endothermic

A

Chemical reaction with an input of energy

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8
Q

Exothermic

A

Chemical reaction with an output of energy

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9
Q

Law of conservation of energy

A

Energy can not be created or destroyed.

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