Chemical Reactions & Balancing

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4 Terms

1
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State the law of conservation of matter

Matter cannot be created or destroyed in a chemical reaction. The total mass of the reactants always equals the total mass of the products

2
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State composition reactions

When two or more simpler substances combine to make a complex product A + B > AB

3
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State decomposition reactions

When a complex substance breaks down into simpler parts AB > A + B

4
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Write a balanced chemical equation for the reaction between hydrogen and oxygen to form water

2H₂ + O₂ → 2H₂O