Types of Chemical Reactions

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What is a Single Replacement reaction?

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A chemical reaction where one element replaces another in a compound, represented by the general formula A + CD → C + AD.

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What happens to atoms during a chemical reaction?

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Atoms are never lost or gained; they are just rearranged.

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What does the Law of Conservation of Mass state?

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The total mass of the reactants is equal to the total mass of the products in a chemical reaction.

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What is an element?

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A pure substance that cannot be broken down into simpler substances by chemical means, e.g., carbon (C).

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What is a Double Replacement reaction?

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A chemical reaction where two compounds exchange ions or bonds to form two new compounds, represented by the general formula AB + CD → AD + CB.

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What is a Synthesis reaction?

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A chemical reaction where two or more simple substances combine to form a more complex product, represented by the general formula A + B → AB.

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What is a Decomposition reaction?

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A chemical reaction where a single compound breaks down into two or more simpler products, represented by the general formula AB → A + B.

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What is a Combustion reaction?

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A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat, typically producing carbon dioxide and water.

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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.

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What is a chemical equation?

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A symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.