A certain VOC compound has measured vapor pressures equal to0.1316 psia at 31.65° F, and 0.2034 psia at 44.57° F. Determine theconstants A and B in a Classius-Claperon type equation forestimating vapor pressures of this VOC. Use the equation toestimate the vapor pressure of the VOC at 77.0 deg F. Ans. 0.55psia.