Chemical Reactions

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What is a chemical reaction?

Back

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

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What is the law of conservation of mass?

Back

In a chemical reaction, the total mass of the reactants must equal the total mass of the products.

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more substances combine to form a single product.

Front

What is a decomposition reaction?

Back

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

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What is a single displacement reaction?

Back

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

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What is a double displacement reaction?

Back

A chemical reaction where two compounds exchange ions or elements to form two new compounds.

Front

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.

Front

What is the difference between reactants and products?

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Reactants are the starting substances in a chemical reaction, while products are the substances formed as a result of the reaction.

Front

What is an example of a physical change?

Back

Boiling water is a physical change, as it does not alter the chemical composition of water.

Front

What is an example of a chemical change?

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Cooking an egg is a chemical change, as it alters the chemical structure of the proteins in the egg.