Identifying types of reactions and Law of Conservation of Mass

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What is a Decomposition Reaction?

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A chemical reaction where one compound breaks down into two or more simpler substances.

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What is a Synthesis Reaction?

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A chemical reaction where two or more substances combine to form one new compound.

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What is a Single Displacement Reaction?

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A reaction where one element replaces another element in a compound.

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What is a Double Displacement Reaction?

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

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What is an Exothermic Reaction?

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A reaction that releases energy, usually in the form of heat.

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What is an Endothermic Reaction?

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A reaction that absorbs energy from its surroundings.

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What does the Law of Conservation of Mass state?

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In a chemical reaction, mass is neither created nor destroyed; it remains constant.

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What is an example of a Decomposition Reaction?

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The breakdown of water (H2O) into hydrogen (H2) and oxygen (O2) gases.

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What is an example of a Synthesis Reaction?

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The formation of water (H2O) from hydrogen (H2) and oxygen (O2) gases.

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What is an example of a Single Displacement Reaction?

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When zinc (Zn) displaces copper (Cu) in copper sulfate (CuSO4) to form zinc sulfate (ZnSO4) and copper.