Chemical Reactions Flashcard

Front

What is a chemical reaction?

Back

A process in which substances (reactants) undergo a transformation to form new substances (products).

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What is a reactant in a chemical equation?

Back

A substance that undergoes a chemical change during a reaction.

Front

What is a product in a chemical equation?

Back

A substance that is formed as a result of a chemical reaction.

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What is a double replacement reaction?

Back

A type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.

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What is a single replacement reaction?

Back

A type of chemical reaction where one element replaces another element in a compound.

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What is a combustion reaction?

Back

A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light and heat.

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What is a decomposition reaction?

Back

A type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is the law of conservation of mass?

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In a chemical reaction, mass is neither created nor destroyed; it remains constant.

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What is a coefficient in a chemical equation?

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A number placed in front of a chemical formula to indicate the number of molecules or moles of that substance.

Front

What is an example of evidence of a chemical reaction?

Back

Color change, gas production, temperature change, or formation of a precipitate.