Use the accompanying phase diagram for carbon to answer the following questions.
a. How many triple points are in the phase diagram?
b. What phases can coexist at each triple point?
c. What happens if graphite is subjected to very high pressures at room temperature?
d. If we assume that the density increases with an increase in pressure, which is more dense, graphite or diamond?

Transcribed Image Text:

10u Diamond Liquid 109 2 Graphite 10 Vapor 0 2000 4000 6000 Temperature (K)