Below Is a Phase Diagram for Compound X

question 13

Multiple Choice

Below is a phase diagram for compound X. You wish to purify a sample of X that was collected at P = 1.0 atm and T = 100 by subliming it. In order to sublime the sample, you should

• A) increase T to 300 K, keeping P = 1.0 atm.
• B) abandon the attempt to sublime X.
• C) lower P to 0.5 atm and then increase T to 200 K.
• D) increase P to 1.5 atm and then increase T to 300 K.
• E) increase T to 300 K and then lower P to 0.5 atm.

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Definitions:

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