Types of Reactions

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What is a Synthesis Reaction?

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

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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.

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What is a Single Replacement Reaction?

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

Front

What is the Law of Conservation of Mass?

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

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What is a Coefficient in a chemical equation?

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A number placed before a formula to indicate how many molecules or moles of that substance are involved.

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How do you balance a chemical equation?

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By adjusting the coefficients of the reactants and products to ensure the same number of each type of atom on both sides.

Front

What is an example of a Synthesis Reaction?

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2H₂ + O₂ → 2H₂O (Hydrogen gas combines with oxygen gas to form water.)

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What is an example of a Decomposition Reaction?

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2H₂O → 2H₂ + O₂ (Water breaks down into hydrogen and oxygen gases.)

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What is an example of a Single Replacement Reaction?

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Zn + CuSO₄ → ZnSO₄ + Cu (Zinc replaces copper in copper sulfate.)