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Ch. 11
Gases
10
Chemistry
Undergraduate 1
10/25/2011
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Term
Boyle's Law
 Definition

PV = k

 

P1V1 = P2V2

 
Term
Charle's Law
 Definition

V1/T1 = V2/T2

 

V/T = k
Term
Combined Gas Law
 Definition

PV/T = k

 

P1V1/T1 = P2V2/T2
Term
Avagadro's Hypothesis
 Definition

V is proportional to n

 

a mole of an ideal gas at the same T and P occupies the same V!
Term
Ideal Gas Law
 Definition

PV = nRT

 

gases behave ideally at low P and high T
Term
1 atm = 
 Definition

760 mmHg

101.325 kPa
Term
1 bar = 
 Definition
100 kPa
Term
Dalton's Law
 Definition

Ptotal = P1 + P2 + P3 + ...

 

Ptotal = (ntotal)(RT/V)
Term
Mole fraction (X)
 Definition
Xa = na/ntotal
Term
Pressure of a gas in a mixture
 Definition
PA = XaPtotal
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