Types of Chemical Reactions Review

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What is a Double Replacement Reaction?

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A chemical reaction where two compounds exchange ions to form two new compounds. Example: BaCl₂(aq) + K₂CrO₄(aq) → BaCrO₄(s) + 2KCl(aq).

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What is a Single Replacement Reaction?

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A reaction where one element replaces another in a compound. Example: SnCl₂ + 2Li → 2LiCl + Sn.

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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. Example: 2H₂ + O₂ → 2H₂O.

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What is a Decomposition Reaction?

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A reaction where a single compound breaks down into two or more simpler products. Example: 2H₂O → 2H₂ + O₂.

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What is a Combustion Reaction?

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A reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat. Example: CH₄ + 2O₂ → CO₂ + 2H₂O.

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Identify the type of reaction: 2H₂ + O₂ → 2H₂O

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Synthesis Reaction.

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Identify the type of reaction: BaCl₂ + 2KI → 2KCl + BaI₂

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Double Replacement Reaction.

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Identify the type of reaction: SnCl₂ + 2Li → 2LiCl + Sn

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Single Replacement Reaction.

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Identify the type of reaction: Si(s) + 2Cl₂(g) → SiCl₄(l)

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Synthesis Reaction.

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What are the products of a Double Replacement Reaction?

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Two new compounds formed from the exchange of ions between the reactants.