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## Homework Statement

Freon 12 is contained in a sealed glass container at 50°C. As it is cooled, vapor droplets arc noted

condensing on the sidewalls at 20°C. Find the original pressure in the container.

## Homework Equations

## The Attempt at a Solution

Looking at the Freon 12 table I subtracted the given pressures from 50 degrees and 20 degrees to get 652 kpa. I'm pretty sure the this is an appropriate solution. More likely there is another approach to solving this problem.