Stoichiometry Vocabulary TEK Chem 8E
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Composition Stoichiometry | involves the mass relationships with elements in a compound
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Reaction Stoichiometry | involves mass relationships between reactants and products in a chemical reaction
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Mole Ratio | ratio between the amounts in moles of any two compounds involved in a chemical reaction; can be determined by looking at the coefficients
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Molar Mass | physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance
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limiting reactant | in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete
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excess reactant | in a chemical reaction with greater amount than necessary to react completely
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theoretical yield | the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
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actual yield | amount actually produced of a product in a complete reaction
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percentage yield | percent ratio of actual yield to the theoretical yield
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balanced equation | the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
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reactant | a substance that takes part in and undergoes change during a reaction; left side of a chemical equation
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product | a substance that is created during a chemical reaction; right side of a chemical equation
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