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Question
The critical point of CCl4is 283ºC and 45 atm pressure. Liquid CCl4has a vapor pressure of 10.0 atm at 178ºC. Which of the following statements must be true?A) Vapor and liquid can only be in equilibrium at one temperaturethe normal boiling point.
B) Liquid CCl4can exist at temperatures greater than 283ºC if the pressure is greater than 45 atm.
C) Liquid and solid can only be in equilibrium at one temperaturethe freezing point.
D) The triple point of CCl4must be less than 178ºC.
E) The normal boiling point of CCl4must be greater than 178ºC.
Answer
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