Chemical Reactions Review!

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What is a chemical reaction?

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A process where substances (reactants) are transformed into new substances (products) through the breaking and forming of chemical bonds.

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What does it mean for a chemical equation to be balanced?

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A balanced chemical equation has the same number of each type of atom on both sides of the equation, following the law of conservation of mass.

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What is a catalyst?

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A substance that increases the rate of a chemical reaction without being consumed in the process.

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What is an inhibitor?

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A substance that decreases the rate of a chemical reaction or prevents it from occurring.

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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; the total mass of reactants equals the total mass of products.

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What is a physical change?

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A change that affects one or more physical properties of a substance without altering its chemical composition.

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What is a chemical change?

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A change that results in the formation of new chemical substances, indicating that a chemical reaction has occurred.

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What is the role of reactants in a chemical reaction?

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Reactants are the starting substances that undergo a chemical change to form products.

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What are products in a chemical reaction?

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Products are the substances formed as a result of a chemical reaction.

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How do you identify a chemical change?

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Signs of a chemical change include color change, gas production, temperature change, and the formation of a precipitate.