Dr. Dillingham Chemistry Vocabulary

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Solvent

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The substance in which the solute dissolves.

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Single Replacement Reaction

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A reaction in which one element is substituted for another element in a compound.

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Example of a Single Replacement Reaction

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Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)

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Avogadro's Number

Back

6.022 x 10^23, representing the number of atoms, ions, or particles in one mole.

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Correct formula for Magnesium Chloride

Back

MgCl2

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Reactant

Back

Elements or compounds that engage in a chemical reaction.

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Product

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The elements or compounds produced by a chemical reaction.

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Mole

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A unit in chemistry that represents 6.022 x 10^23 particles.

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Chemical Equation

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A representation of a chemical reaction using symbols and formulas.

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Balanced Chemical Equation

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An equation where the number of atoms for each element is the same on both sides.