Chemical Formulas

Front

What is a Chemical Formula?

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A Chemical Formula describes the atoms in a compound, indicating the types and numbers of atoms present.

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What is the Law of Conservation of Mass?

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The Law of Conservation of Mass states that in a chemical reaction, the total mass of the reactants equals the total mass of the products.

Front

How many grams of reactant B are needed if reactant A has 5g and product C has 9g in the reaction A + B -> C?

Back

4g

Front

If a reaction starts with 20g of reactants, how much should it produce?

Back

A total of 20g of products.

Front

What is a Compound?

Back

A Compound is a substance formed by atoms of different kinds.

Front

How many elements are in the chemical formula C6H12O6?

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3 elements (Carbon, Hydrogen, and Oxygen).

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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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What is a Reactant?

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A Reactant is a substance that undergoes a chemical change in a 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 Chemical Equation?

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