1. The vapor pressure of ethanol at 45˚C is 0.227 atm:
C2H5OH (l) C2H5OH (g)
a) Calculate the value of Kp at 45˚C.
b) The value of Kp is 0.103 at 45˚C; does this mean that ΔH° for this reaction is positive or negative?
a) K p = 0.227 atm b) ΔH° for... View the full answer