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 a coefficient in a chemical equation represent?

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A coefficient indicates the number of molecules or moles of a substance involved in a reaction.

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

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To find the number of atoms of an element in a compound, multiply the coefficient by the subscript of the element in the chemical formula.

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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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How many total atoms are in the molecule H2O?

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There are 3 total atoms in H2O: 2 Hydrogen (H) atoms and 1 Oxygen (O) atom.

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What is the significance of balancing a chemical equation?

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Balancing a chemical equation ensures that the number of atoms for each element is the same on both sides, adhering to the Law of Conservation of Matter.

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If a chemical equation has 2H2 + O2 -> 2H2O, how many Oxygen atoms are in the products?

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There are 2 Oxygen atoms in the products (2H2O).

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In the equation 2H2 + O2 -> 2H2O, what is the coefficient of H2?

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The coefficient of H2 is 2.

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How many total Hydrogen atoms are in the reactants of the equation 2H2 + O2?

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There are 4 total Hydrogen atoms in the reactants (2H2).