# Shared Flashcard Set

## Details

Chapter 5
Equations and such
25
Chemistry
10/13/2008

## Additional Chemistry Flashcards

Term
 STP
Definition
 Pressure= 1.0 atm (or 760mmHg)Temperature= 0*C
Term
 1 torr = ? mmHg
Definition
 1
Term
 1 atm = ? Pa
Definition
 101,325
Term
 Boyle's Law:If V increases, what does P do?
Definition
 Decreases
Term
 Charles's Law:If T is lowered, V does what?
Definition
 Decreases
Term
 Charles's Law:If T is raised, what happens to P?
Definition
 Increases
Term
 Avogadro's Law:If you remove gas, what happens to V?
Definition
 Decreases
Term
 What is the proportionality constant?
Definition
 R= PV/nTR= 0.082057 (L*atm/K*mol)
Term
 At STP, an ideal gas occupies what amount of Liters?
Definition
 22.414L
Term
 Equation for calculating molar mass of a gaseous substance:
Definition
 M=dRT/P
Term
 Root-mean-square (rms) speed (u rms) is:
Definition
 An average of molecular speed.
Term
 The gradual mixing of molecules of one gas with molecules of another by virtue of their Kinetic properties is the definition of:
Definition
 Gas diffusion
Term
 The process by which a gas under pressure escapes from one compartment of a container to another by passing through a small opening is the definition of:
Definition
 Gas effusion
Term
 Boyle's equation for calculating pressure or volume changes
Definition
 (P1*V1)=(P2*V2)
Term
 Charles's equation for calculating temperature or volume changes:
Definition
 (V1/T1)=(V2/T2)
Term
 Charles's equation for calculating temperature or pressure changes:
Definition
 (P1/T1)=(P2/T2)
Term
 Ideal Gas Equation
Definition
 PV=nRT
Term
 Combined gas equation for initial and final states:
Definition
 [(P1*V1)/(n1*T1)]=[(P2*V2)/(n2*T2)]
Term
 Equation for calculating changes in pressure, temperature, or volume when mols is constant:
Definition
 [(P1*V1)/T1]=[(P2*V2)/T2]
Term
 Equation for calculate the density of a gas:
Definition
 d=(m/V)=[(P*M)/(R*T)]
Term
 Mol fraction equation:
Definition
 Xi=(ni/nt)
Term
 Dalton's Law of partial pressure calculation:
Definition
 Pi=Xi*Pt
Term
 Equation for root-mean-square speed of gas molecules:
Definition
 u rms= square root of(3RT/M)
Term
 Grahm's Law of diffusion/effision equation:
Definition
 [(r1/r2)/square root of (M2/M1)]
Term
 van der Waal's Equation for calculating pressure of a non ideal gas:
Definition
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