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 does it mean for a chemical reaction to be balanced?

Back

A chemical reaction is balanced when both sides have the same number of atoms of each element.

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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 chemical formula that indicates how many molecules of that substance are present.

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What are reactants in a chemical equation?

Back

Reactants are the starting substances in a chemical reaction, found on the left side of the equation.

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What are products in a chemical equation?

Back

Products are the substances formed as a result of a chemical reaction, found on the right side of the equation.

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How do you determine the number of atoms in a compound?

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To determine the number of atoms in a compound, add the subscripts of each element in the formula.

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What is the significance of balancing a chemical equation?

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Balancing a chemical equation ensures that the Law of Conservation of Matter is upheld, meaning the same number of each type of atom is present before and after the reaction.

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What is a subscript in a chemical formula?

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A subscript is a small number written to the right of an element symbol that indicates the number of atoms of that element in a molecule.

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What is the difference between reactants and products?

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Reactants are the starting materials in a reaction, while products are the substances produced by the reaction.

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How many atoms of Sodium (Na) are in 6NaCl?

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There are 6 Sodium (Na) atoms in 6NaCl.