Types of Chemical Reactions

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What are the four main types of chemical reactions?

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1. Synthesis (Combination) Reaction 2. Decomposition Reaction 3. Single Replacement Reaction 4. Double Replacement Reaction

Front

What is a synthesis reaction?

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A synthesis reaction is a type of chemical 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 decomposition reaction is 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 replacement reaction?

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

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What is a double replacement reaction?

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

Front

In a chemical equation, what do the reactants represent?

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

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In a chemical equation, what do the products represent?

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Products are the 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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The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.

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What is the significance of balancing a chemical equation?

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Balancing a chemical equation ensures that the number of atoms for each element is the same on both sides of the equation, adhering to the law of conservation of mass.

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What is an example of a synthesis reaction?

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An example of a synthesis reaction is the formation of water from hydrogen and oxygen: 2H₂ + O₂ → 2H₂O.