Chemical Reactions

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What is a chemical reaction?

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

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What are reactants in a chemical reaction?

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Substances that undergo change during a chemical reaction.

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What are products in a chemical reaction?

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Substances that are formed as a result of a chemical reaction.

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What is the law of conservation of mass?

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

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What is a synthesis reaction?

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

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What is a decomposition reaction?

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

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What is a single replacement reaction?

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A reaction where one element replaces another in a compound.

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What is a double replacement reaction?

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A reaction where two compounds exchange ions to form two new compounds.

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What is an endothermic reaction?

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A reaction that absorbs heat from its surroundings.

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What is an exothermic reaction?

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A reaction that releases heat to its surroundings.