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Chem 1
Exam 1
42
Chemistry
02/06/2007
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Term
Lewis acid
 Definition
accept e- pair
Term
Lewis base
 Definition
donate e- pair
Term
neutralization
 Definition
coordinate covalent bond formation
Term
equivalence point
 Definition
when equivalent amount of acid and base have reacted
Term
standard soln
 Definition
accurately known concentration of a soln
Term
standardization
 Definition
finding concentration of a soln by measuring V of a soln required to react with a known amount of standard soln
Term
Molar mass of KHP
 Definition
204.2 g/mol
Term
Acidic soln

Need O

 Definition
Add H20
Term
Acidic soln

Need H

 Definition
add H+
Term
Basic soln

need O

 Definition
add H20
Term
Basic soln

need H

 Definition
add H20 and OH- on the other side
Term
pressure
 Definition
force per unit area

(ib/in2)
Term
Boyle's Law
 Definition
P = 1/V
Term
Charles's Law
 Definition
V = T
Term
STP
 Definition
273 K = 1 atm

thermo 298 K

Term
Combined Gas Law
 Definition
p1v1/t1 = p2v2/t2
Term
Avogadro's Law
 Definition
V = n

where 22.4L = 1 mole

Term
Ideal Gas Equation
 Definition
PV=nRT
Term
Dalton's Law
 Definition
Partial Pressure

Ptotal=Pa+Pb+Pc...
Term
Mole fraction
 Definition
Pa/Ptotal
Term
Patm
 Definition
Pgas + VP h20
Term
Kinetic Molecular Theory
 Definition
1)discrete molecules
2)Continuous and random
3)elastic collison
4)no attractive/repulsive forces
Term
diffusion
 Definition
intermingling
Term
effusion
 Definition
escape of gas through holes
Term
rate of effusion
 Definition
r1/2 = sqrt(m1/m2)
Term
van der Waals
 Definition
(P+n2a/v2)(V-nb)=nRT
Term
miscible liq
 Definition
soluble/diffuse in each other
Term
inter
 Definition
between
Term
intra
 Definition
within
Term
force of attraction
 Definition
q+q-/d2
Term
force of attraction
 Definition
q+q-/d
Term
types of intermolecular attraction
 Definition
dipole-dipole
*H-bonding
dispersion/london
Term
dipole-dipole
 Definition
polar covalent
Term
H-bonding
 Definition
FON
Term
viscosity
 Definition
resistance to flow
Term
surface tension
 Definition
measure of the inward forces that must be overcome to expan the SA
Term
capillary action
 Definition
process when one end of a capillary tube is immersed in li
Term
capillary action
 Definition
process when one end of a capillary tube is immersed in liq
Term
cohesive
 Definition
forces holding a liq together
Term
adhesive
 Definition
force of attraction between a liq and another surface
Term
volatile
 Definition
easily vaporized
Term
Increase VP
 Definition
Decrease Boiling Point