Heat Is Added to a 1

question 45

Multiple Choice

Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
-Which one of the following statements concerning this substance is true?

• A)It boils at 300 °C.
• B)It melts at -200 °C.
• C)It is a liquid at 200 °C.
• D)It can coexist as a solid and a liquid at -50 °C.
• E)It can exist as a solid, liquid, and gas at 150 °C.

---

Definitions:

Stuck

A state of being unable to move forward or make progress in a particular situation or task.

Trait Resistance

A personality characteristic that involves resilience and an ability to withstand stress or adversity.

Reduced Structure

A less formal or less rigid framework or environment, which can allow more flexibility and adaptability.

Attendance Agreement

A commitment or pact among parties to be present at designated times and places, often used within educational or therapeutic settings to ensure participation.