Chemical Reaction Flashcards

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1
Q

Process to rearrange atoms into new substances

A

Chemical reaction

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2
Q

Chemical symbols and numbers to represent a substance

A

Chemical formula

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3
Q

Expression to show the relationship between the reactants and products

A

Chemical equation

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4
Q

Substances that participate in a chemical reaction (start)

A

Reactants

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5
Q

Substances formed in a chemical reaction (end)

A

Products

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6
Q

Mass cannot be created or destroyed

A

Law of conservation of mass

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7
Q

Energy can not be created or destroyed

A

Law of conservation of energy

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8
Q

Chemical reaction with an input of energy (photosynthesis)

A

Endothermic reaction

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9
Q

Chemical reaction with an output release of energy (heat from a burning candle)

A

Exothermic reaction

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