Moles and Gases Flashcards

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Flashcards for vocabulary related to moles, gases, molarity, and formulas.

Chemistry

Chemical Reactions

AP Chemistry

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7 Terms

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Ideal Gas Law Equation

PV = nRT, where P=Pressure, V=Volume, n=moles, R=Ideal gas constant, T=temperature

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STP

Standard Temperature and Pressure; P = 1 atm, T = 273 Kelvin

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Molarity (M)

The concentration of a solution in terms of volume.

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[Na+]

The molar concentration of sodium ions.

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Percent Composition

Percent by mass of each element in a compound, calculated by dividing the mass of each element by the total mass of the compound.

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Empirical Formula

Simplest ratio of one element in a compound to another.

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Molecular Formula

Actual formula for a substrate (e.g., C6H12O6).