What is the change in entropy ( Svap ) for the vaporization of ethanol ( Hvap = 38.6 kJ·mol-1 ) at its standard boiling temperature (78.4°C)?
a) 0.110 J·mol-1·K-1
b) 110 J·mol-1·K-1
c) 492 J·mol-1·K-1
d) 0.492 J·mol-1·K-1
Answer: b) 110 J·mol-1·K-1
What is the change in entropy ( Svap ) for the vaporization of ethanol ( Hvap = 38.6 kJ·mol-1 ) at its standard boiling temperature (78.4°C)?
a) 0.110 J·mol-1·K-1
b) 110 J·mol-1·K-1
c) 492 J·mol-1·K-1
d) 0.492 J·mol-1·K-1
Answer: b) 110 J·mol-1·K-1