Chapter 10, Problem 108AE

Acrylonitrile is the starting material used in the manufactureof acrylic fibers (U.S. annual production capacityis more than 2 million pounds). Three industrial processesfor the production of acrylonitrile are given below.Using data from Appendix 4, calculate $\Delta S\text{°,}\Delta H\text{°, and}\Delta G\text{°}$ for each process. For part a, assume that $T=25°C$ ; for part b, $T=70.°C$ ; and for part c, $T=700.°C$ . Assume that $\Delta H\text{°}$ and $\Delta S\text{°}$ do not depend ontemperature.

b. $\text{HC}\equiv \text{CH}\left(g\right)+\text{HCN}\left(g\right)\underset{70°\text{C-90°C}}{\overset{{\text{CaCl}}_2\cdot \text{HCl}}{\to }}{\text{CH}}_2=\text{CHCN}\left(g\right)$
c. $\begin{array}{l}{\text{4HC}}_2={\text{CHCH}}_3\left(g\right)+\text{6NO}\left(g\right)\\ \underset{\text{Ag}}{\overset{700°\text{C}}{\to }}{\text{CH}}_2=\text{CHCN}\left(g\right)+6{\text{H}}_{\text{2}}\text{O}\left(g\right)+{\text{N}}_{\text{2}}\left(g\right)\end{array}$