The Phase Diagram for CO₂ Is Given Below

question 67

Multiple Choice

The phase diagram for CO₂ is given below .
The triple point is at 5.1 atm and 217 K.
What happens if carbon dioxide at 50C and 25 atm is suddenly brought to 1 atm?

• A) The liquid and solid are in equilibrium.
• B) The solid melts.
• C) The solid and vapor are in equilibrium.
• D) The solid vaporizes.
• E) The solid remains stable.

---

Definitions:

Objectivity

The assumption that we can observe and study the physical world without any observer bias.

Precise Language

The use of clear, accurate, and specific words to communicate effectively.

Biases

Prejudices or predispositions toward one side of a subject or issue.

Phenomena

Observable events or occurrences that can be studied scientifically or understood through analysis.