Law of Conservation of Mass

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What is the Law of Conservation of Mass?

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The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction; it can only be transformed or changed from one form to another.

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In a chemical reaction, what happens to the total mass of the reactants?

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The total mass of the reactants is equal to the total mass of the products.

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What does it mean when we say matter can be transformed?

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It means that matter can change its form or state, such as from solid to liquid, or from reactants to products in a chemical reaction.

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What is a reactant in a chemical reaction?

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A reactant is a substance that undergoes change during a chemical reaction.

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What is a product in a chemical reaction?

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A product is a substance that is formed as a result of a chemical reaction.

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What is a coefficient in a chemical equation?

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A coefficient is a number placed in front of a compound or element in a chemical equation to indicate how many molecules or moles of that substance are involved.

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What is an endothermic reaction?

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An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

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What is an exothermic reaction?

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An exothermic reaction is a chemical reaction that releases energy to its surroundings, usually in the form of heat.

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How do you determine the number of elements in a chemical formula?

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Count the different capital letters in the chemical formula; each capital letter represents a different element.

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There are 45 total atoms: 12 Carbon (C), 22 Hydrogen (H), and 11 Oxygen (O).