Law of Conservation of Matter

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What is the Law of Conservation of Matter?

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The Law of Conservation of Matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

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What are reactants?

Back

Reactants are the starting substances in a chemical reaction that undergo change.

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What are products?

Back

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

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If you start with 20g of reactants, how much should you have in products?

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You should have a total of 20g of products, as matter is conserved.

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What happens to the total mass in a chemical reaction?

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

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How many grams of oxygen are needed to show conservation of mass in a reaction?

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7 grams of oxygen are needed.

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How many grams of sliced apple are shown in the example of conservation of mass?

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230 grams of sliced apple are shown.

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How many kilograms of smoke are produced in the example of conservation of mass?

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3 kilograms of smoke are produced.

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What is an example of a chemical reaction?

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An example of a chemical reaction is the burning of wood, which produces ash, smoke, and gases.

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What is a chemical equation?

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A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.