The plutonium phase diagram is shown below. Solid phases A, B, C, D, E, F, and G are present under various condition of temperature and pressure. Consider increasing the pressure on a plutonium sample at 560 K from P1 to P2.

Are phases D, F, and G ever simultaneously together at equilibrium?

Yes

Under what conditions of temperature and pressure can phases B, C, and D all present at equilibrium?

Temperature (in Kelvin)

520

Pressure (in kbar)

3

2 answers

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