Equations of State, Single Component Two Phase Systems on Chemical Engineering related Questions and Answers

Question :   At triple point, vapor pressure of ice is given by ln p* = 18 - 2560/T, and vapor pressure of water is given by ln p* = 28 - 5120/T, what is the temperature at triple point? 1. 225 K 2. 256 K 3. 320 K 4. 400 K Answer :   2 - 256 K