Phase Diagram: Determining the Normal Sublimation Point
What is the normal sublimation point of this substance in this phase diagram?
1. 2.00 2. 1.75 3. 1.50 4. 1.25 5. 1.00 6. 0.75 7. 0.30 8. 0.25 9. 0
What is the normal sublimation point of a substance and how is it determined?
Normal Sublimation Point of the Substance
The normal sublimation point of this substance in the phase diagram is approximately 0 degrees Celsius.
Explanation
The normal sublimation point of a substance refers to the temperature and pressure at which it transitions directly from the solid phase to the gas phase at standard atmospheric pressure (1 atm). In the given phase diagram, the normal sublimation point can be determined by locating the point where the solid phase boundary intersects with the gas phase boundary at 1 atm pressure.
Looking at the given phase diagram data, we can see that the solid phase boundary intersects with the gas phase boundary at a temperature of approximately 0 degrees Celsius. This indicates that the normal sublimation point of the substance in this phase diagram is around 0 degrees Celsius.
Sublimation is an important process in chemistry where a substance transitions directly from the solid phase to the gas phase without passing through the liquid phase. Understanding the phase diagram helps in determining the conditions under which a substance undergoes sublimation.
By identifying the normal sublimation point, scientists and researchers can better understand the behavior of substances and their transition between different phases. It allows for the prediction of sublimation processes and the adjustment of experimental conditions to control these transitions.