Chemistry Module #12 Quiz

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Ideal Gas Law formula

PV=nRT

Partial Pressure formula

Pt = P1 + P2 + P3

What is the value for "R" in the ideal gas law formula? Know both the numerical value and the units that go with it.

R = (0.0821) (L) (atm)/(mole) (K)

What is the relationship between atm and torr?

760.0 torr = 1.00 atm

Combined Gas Law formula

Formula: PV/T = constant or mathematically: P1V1/T1=P2V2/T2

Boyle's Law formula and explanation

Formula: PV=constant or mathematically: P1V1 = P2V2. Explanation: At constant temperature, the pressure and volume of a gas are inversely proportional.

Charles's Law both the formula and be able to explain it

Formula: V/T= constant or mathematically: V1/T1=V2/T2 Explanation: At constant pressure the temperature and volume of a gas are linearly proportional.

What temperature scale must be used when using gas formulas?

273.15 Kelvin (or 273.15 K)

What is Dalton's Law of Partial Pressure formula?

When two or more ideal gases are mixed together, the toal pressure of the mixture is equal to the sum of the pressure of each individual gas. Pt = P1 +P2 + P3

Mole Fraction formula

X = # of moles of component/total # of moles in the mixture

What unit of pressure do you need to use when working with the Ideal Gas Law formula?

liters (L) and atmospheres (atms)


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