Feasible Rins
ran that can occur
largelysuppliedfoaming
Exo ans usually feasible environment
Endo take in heatfrom surroundings to
runs occur so
should not occur spontaneously
Whether a rxn is feasible or not cannot be solely
decided another factor is taken into
by enthalpy consideration
Entropy a measure of the amount of disorder in
the substance
Entropy 150
Units Jk mol
Change in entropy
000 entropy entropy
gyp disorder 80 disorder
Solid Liquids Gas
vibrate infixed position vibrate morefreely Movingfreely l
random
Little disorder more disorder lots
of disorder
we
, Eg Cacs 2HCl cag Call cag Mzca
increase in disorder Solid
gas
works both
ways
the
Entropycan also increase decrease depending on
no
of gas moles
3
Cacs 2MCleag Callzag 42cg
ey
3 2
This Is
works both ways
NOTE change in state stronger than no of gas
moles
for entropy above an would be
an increase in
entropy
in
Calculating change entropy
increase in entropy AS 0 tue
decrease in entropy AS C O i ve
ran that can occur
largelysuppliedfoaming
Exo ans usually feasible environment
Endo take in heatfrom surroundings to
runs occur so
should not occur spontaneously
Whether a rxn is feasible or not cannot be solely
decided another factor is taken into
by enthalpy consideration
Entropy a measure of the amount of disorder in
the substance
Entropy 150
Units Jk mol
Change in entropy
000 entropy entropy
gyp disorder 80 disorder
Solid Liquids Gas
vibrate infixed position vibrate morefreely Movingfreely l
random
Little disorder more disorder lots
of disorder
we
, Eg Cacs 2HCl cag Call cag Mzca
increase in disorder Solid
gas
works both
ways
the
Entropycan also increase decrease depending on
no
of gas moles
3
Cacs 2MCleag Callzag 42cg
ey
3 2
This Is
works both ways
NOTE change in state stronger than no of gas
moles
for entropy above an would be
an increase in
entropy
in
Calculating change entropy
increase in entropy AS 0 tue
decrease in entropy AS C O i ve
