1intensive or extensive properties
properties of matter that
depend on the amount of
the substance present.
EXTENSIVE PROPERTIES
2intensive or extensive properties
properties of matter that
depend on the matter itself
and do not depend on the
amount of the substance
present
INTENSIVE PROPERTIES
3is defined in quantitative terms as the
concentration of solute in a saturated
solution at a certain temperature, and in
a qualitative way, it can be defined as
the spontaneous interaction of two or
more substances to form a
homogeneous molecular dispersion
SOLUBILITY
4true or false
UPAC:
-analytical composition of a saturated
solution expressed as a proportion of a
designated solvent in a designated solution
false
UPAC:
-analytical composition of a saturated
solution expressed as a proportion of a
designated solute in a designated solvent
5this refers to
solubility at a certain pH measured in a
defined pH- buffered system and
neglects the influence of salt
formation of the buffered system.
BUFFERED SOLUBILITY
6BUFFERED SOLUBILITY aka
apparent solubility
7usually measured in water, this refers to the
solubility of a saturated solution of
compound at the final pH of the solution
UNBUFFERED SOLUBILITY
8solubility of the neutral form of an ionizable
compound, independent from the properties
of solvent
INTRINSIC SOLUBILITY
9Which is more soluble ? trans (e) isomer or Cis (z)
Cis
10the higher the solubilty _______
the lower the MP
11Increasing unsaturation _________ solubility in polar solvents
increases
12is an extrinsic material property that can be
influenced by various chemical, physical, or
crystallographic means such as complexation,
particle size, surface properties, solid-state
modification, or solubilization enhancing
formulation strategies
DISSOLUTION
13A system in which one or more
substances are homogeneously
mixed or dissolved in another
substance.
solution
14is one
in which the solute in
solution is in equilibrium
with the solid phase.
saturated solution
15 is one
containing the dissolved solute
in a concentration below that
necessary for complete
saturation at a definite
temperature.
UNSATURATED SOLUTIONS
16one that
contains more of the dissolved solute
than it would normally contain at a
definite temperature, were the
undissolved solute present.
SUPERSATURATED SOLUTIONS
17dissolves ionic and polar solutes like ammonia, and some ionic solutes
POLAR SOLVENTS
18Can act as cosolvent or intermediate solvent
NONPOLAR SOLVENTS
19it can act as intermediate
solvents to bring about miscibility of polar and
nonpolar liquids.
SEMIPOLAR SOLVENTS
20-governed by Henry's Law
SOLUBILITY OF GAS
IN LIQUID
21It states that the amount of dissolved
gas in a liquid is directly proportional to its
_____________ above the liquid.
partial pressure
22what are the FACTORS AFFECTING SOLUBILITY in SOLUBILITY OF GAS
IN LIQUID
pressure
temperature
chemical nature of the solvent and solute
23in the SOLUBILITY OF LIQUID IN
LIQUID when liquids mix in all
proportions (same polarity)
complete miscibility
24in the SOLUBILITY OF LIQUID IN
LIQUID greatly influenced by
temperature (uses semipolar compounds
partial miscibility
25-solubility of a drug in a mixed solvent in a system is based on the changes in
dielectric constant, which may be taken to be the mole fraction of the two
solvents.
Cosolvent Systems
26in SOLUBILITY OF
LIQUID IN LIQUID what are the factors that affects solubilty
concentration of solvents
temperature of the system
presence of salts
27refers to the reversible movement of a
liquid or a solid in a mixture; governed by
Nernst Law.
DISTRIBUTION
PHENOMENA
28The distribution of a solute in two
immiscible liquids depends on the
chemical nature of the solute and the
liquid phases.
DISTRIBUTION
PHENOMENA
29It is the minimum pressure which needs to be applied to a solution to
prevent the inward flow of its pure solvent across a semipermeable
membrane
OSMOTIC PRESSURE
30it is also defined as the measure of the tendency of a solution to take in
pure solvent by osmosis
OSMOTIC PRESSURE
31is the maximum
osmotic pressure that could develop in a solution if it were separated
from its pure solvent by a semipermeable membrane.
Potential osmotic pressure
32formula of osmotic pressure
pie = MRT
33what is the value of R (gas constant value)
0.08205 L-atm/mol-k
34Is the decrease of the freezing point of a solvent on the addition of
a non-volatile solute.
FREEZING POINT DEPRESSION
35temperature at which vapor pressure of solid equals the vapor
pressure of the liquid and at which the solid and liquid are in
equilibrium
FREEZING POINT DEPRESSION
36formula of freezing point depression
constant t = ikfm
37-temperature at which the vapor pressure of the substance equals
atmospheric pressure
BOILING POINT
38formula of boiling point
constant temperature = ikbm
39what is the temp. of water?
100 degrees
40temp of bp of water and salt
120 degrees
41formula of vapor pressure
VP= psolvent- psolution