The Critical Point of CCl₄ Is 283°C and 45 Atm

question 64

Multiple Choice

The critical point of CCl₄ is 283°C and 45 atm pressure.Liquid CCl₄ has a vapor pressure of 10.0 atm at 178°C.Which of the following statements must be true?

• A)Vapor and liquid can only be in equilibrium at one temperature-the normal boiling point.
• B)Liquid CCl₄ can exist at temperatures greater than 283°C if the pressure is greater than 45 atm.
• C)Liquid and solid can only be in equilibrium at one temperature-the freezing point.
• D)The triple point of CCl₄ must be less than 178°C.
• E)The normal boiling point of CCl₄ must be greater than 178°C.

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