Chemical Reactions Everywhere

Front

What is a chemical reaction?

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A process where substances (reactants) change into new substances (products) with different properties.

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What happens during a chemical reaction?

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New substances are formed, often involving the rearrangement of atoms.

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What is evidence of a chemical reaction?

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Evidence includes color change, gas production, temperature change, and formation of a precipitate.

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What is NOT evidence of a chemical reaction?

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Melting is not evidence of a chemical reaction.

Front

What are the main types of chemical reactions?

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Synthesis, decomposition, single replacement, double replacement, and combustion.

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What is a reactant?

Back

A substance that undergoes change in a chemical reaction.

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What is a product?

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A new substance formed as a result of a chemical reaction.

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Can chemical reactions happen anywhere?

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Yes, chemical reactions can occur in various environments, including in the lab, in nature, and in our bodies.

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What is an example of a chemical reaction in everyday life?

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Rusting of iron is a common example of a chemical reaction.

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What is the law of conservation of mass?

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