Law of Conservation of Mass

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What is the Law of Conservation of Mass?

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The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction; it can only be transformed or changed.

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What happens to matter during a chemical reaction?

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Matter is transformed from reactants to products, but the total mass remains the same.

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What are reactants?

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Reactants are the starting substances in a chemical reaction that undergo change.

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What are products?

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Products are the substances that are formed as a result of a chemical reaction.

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What is a chemical reaction?

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A chemical reaction is a process where reactants are transformed into products, involving the breaking and forming of bonds.

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What is a precipitate?

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A precipitate is a solid that forms when two liquids are mixed together in a chemical reaction.

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Can matter be created or destroyed in a chemical reaction?

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No, according to the Law of Conservation of Mass, matter cannot be created or destroyed.

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What is an example of a physical change?

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Melting of ice is an example of a physical change, as it does not involve a chemical reaction.

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What is an example of a chemical change?

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Burning of wood is an example of a chemical change, as it produces new substances.

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What happens to the mass of reactants and products in a closed system?

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In a closed system, the mass of the reactants before the reaction is equal to the mass of the products after the reaction.