CHEM 1212 Phase Diagram practice questions answers Kennesaw State University

CHEM 1212 Phase Diagram practice questions. 1. What section represents the gas phase? 2. What section represents the liquid phase? 3. What section represents the solid phase? 4. What is the critical point? 5. What is the triple point? 110⁰C, 1.1 atm 45⁰C, 0.5 atm B C A 6. What is the melting temperature of the substance shown in the graph at 1 atm? 7. What is the boiling temperature of the substance shown in the graph at 1 atm? 8. What is the phase of the substance at room temperature (25°C) and 1 atm? 9. Which is more dense, the solid or the liquid phase? 60⁰C 100⁰C solid solid CHEM 1212 10. What is occurring if the temperature was increased from 60°C to 100°C at 0.75 atm? evaporation 11. What is occurring if the pressure was decreased from 1 atm to 0.05 atm at 40°C? sublimation Vapor pressure curve practice CHEM 1212 12. What is the boiling temperature of CHCl3 at 80 kPa? 13. What is the boiling point of CCl4 at 80 kPa? 70⁰C 53⁰C 14. What is the atmospheric pressure if CCl4 boils at 40°C? 30 kPa 15. What is the atmospheric pressure if H2O boils at 70°C? 30 kPa