Integrating a VLE Flash Step

Inside this lesson

Use Raoult's law to compute K-values for a binary mixture at given T and P
Solve the Rachford-Rice equation for the vapor fraction in a flash
Compute vapor and liquid compositions from K-values and the vapor fraction
Recognize when no two-phase flash solution exists (all vapor or all liquid)

Unlock the full Material & Energy Balances course

Every paid lesson in this course — one purchase.
Interactive simulators for field lines, Faraday's law, convolution, and more.

Unlock the course →

One-time purchase — see options on the next page.

or unlock everything with all-access

Not ready yet? See the free preview lessons across the course.

⚖️

Educational content covering topics typical of a first- and second-year chemical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real process design, plant operation, or safety decisions without review by a licensed professional engineer.