Thermodynamics 3

Question 1

entropy is a state function what does this mean?

Answer 1

value depends on present state of system

Question 2

what is the difference between work and heat

Answer 2

work is ordered molecular motion compared to heat which is random molecular motion.

Question 3

if a material has high heat capacity is entropy change higher or lower

Answer 3

higher

Question 4

what is the 3rd law of thermodynamics:

entropy of a ……… ordered ……….. substance at ….K is ……

Answer 4

perfectly
crystalline
0
0

Question 5

what is standard molar entropy:

entropy of 1 mole of a …….. substance at …… atm pressure and specific temperature

Answer 5

pure

1

Question 6

what is standard entropy of a reaction:

entropy change for a reaction at …….. atm and …… degrees c

Answer 6

1

25

Question 7

spontaneous process lead to ….. entropy and …….gibbs energy

Answer 7

higher

lower

Question 8

for drug ligand interactions we have dissociation constants

what does kd =

Answer 8

kd= 1/ka

Question 9

for drugs to be effective:
they have …….. values of delta G
…….. values of Ka
…….. values of kd

Answer 9

negative
high
small