The Critical Temperature for Methanol Is 512

question 11

Multiple Choice

The critical temperature for methanol is 512.6 K and the critical pressure is 81 bar. If a sample starts at a temperature of 590 K and a pressure of 45.3 bar and is cooled at constant pressure to a temperature of 512.6 K, what if any, phase transition are observed?

• A) condensation
• B) evaporation
• C) condensation followed by evaporation
• D) there are no phase transitions

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