Estimate the fugacity of one of the following: (a) Cyclopentane at 383.15 K (110°C) and 275 bar. At 383.15 K (110°C) the vapor pressure of cyclopentane is 5.267 bar. (b) 1-Butene at 393.15 K (120°C) and 34 bar. At 393.15 K (120°C) the vapor pressure of 1-butene is 25.83 bar.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d