PV=nRT

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Value of "R"

0.0821 Latm/mol k

Converting mmHg to atm

1atm/760mmHg

Converting torr to atm

1atm/760torr

Finding Molar Mass with Ideal Gas Law

M = gRT/PV

Units for Molar Mass and Molecular Mass

Molar Mass: g/mol Molecular Mass: amu

Equations for Pressure and Temperature

P1/T1 = P2/T2

Equations with finding Pressure and Volume

P1/V1 = P2/V2

The ideal gas law

PV=nRT

Partial Pressure

Ptotal = P1 + P2 + P3 +......etc. When trying to find out when given percentages: (% given/ %total) x total pressure = Then add all answers together to get the pressure total

STP

Temp: 273k Pressure: 1atm Occupies 22.4L

Equations with Temperature and Volume

V1/T1 = V2/T2

Equations with Volumes and Moles

V1/n1 = V2/n2


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