entropy and trends with:
-temperature
-atomic weight (on periodic table)
-# of atoms in a molecule
-ionic charges
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-entropy increases with increase in temperature
-entropy increases with increase in atomic weight
-entropy increases with increase in # of atoms
-entropy DECREASES with an increase in ionic charge
entropy, S
equation
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, a measure of the radomness/disorder of a system
S= k lnW
k=bolzmann constant, w=number of microstates
what does each variable tell you?
delta H
delta S
delta G
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H: endo (+) or exothermic (-)
S: increase (+) or decrease (-) in gaseous species/entropy
G: reactant (+) or product (-) favored
k and deltaG relationship
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k > 1, deltaG < 0
k < 1, deltaG > 0
*opposite
how to select a buffer-
Give this one a try later!
-temperature
-atomic weight (on periodic table)
-# of atoms in a molecule
-ionic charges
Give this one a try later!
-entropy increases with increase in temperature
-entropy increases with increase in atomic weight
-entropy increases with increase in # of atoms
-entropy DECREASES with an increase in ionic charge
entropy, S
equation
Give this one a try later!
, a measure of the radomness/disorder of a system
S= k lnW
k=bolzmann constant, w=number of microstates
what does each variable tell you?
delta H
delta S
delta G
Give this one a try later!
H: endo (+) or exothermic (-)
S: increase (+) or decrease (-) in gaseous species/entropy
G: reactant (+) or product (-) favored
k and deltaG relationship
Give this one a try later!
k > 1, deltaG < 0
k < 1, deltaG > 0
*opposite
how to select a buffer-
Give this one a try later!
