A Certain Substance,X,has a Triple-Point Temperature of 20°C at a Pressure

question 63

Multiple Choice

A certain substance,X,has a triple-point temperature of 20°C at a pressure of 2.0 atm.Which one of the statements (A-D) cannot possibly be true?

• A)X can exist as a liquid above 20°C.
• B)X can exist as a solid above 20°C.
• C)Liquid X can exist as a stable phase at 25°C,1 atm.
• D)Both liquid and solid X have the same vapor pressure at 20°C.
• E)All of the statements (A-D)could be true.

---

Definitions:

Impulsively Acting-out

Engaging in spontaneous behaviors without considering the consequences, often indicative of emotional distress or psychiatric disorders.

Herbal Preparations

Products made from plants that are used to treat or prevent diseases, or for other health benefits.

Impulsive Anger

A sudden and intense emotional response characterized by an uncontrollable urge to react angrily without forethought.

Restrained Patient

A patient who has been physically or chemically restrained to prevent harm to themselves or others, often used in medical or psychiatric settings.