The Phase Diagram for Carbon Dioxide Is Shown Below

question 93

Multiple Choice

The phase diagram for carbon dioxide is shown below. What are the phase changes in order as carbon dioxide is heated from -90^oC to 50^oC, at 1 atm pressure?

• A) solid →Gas
• B) solid →Liquid →Gas
• C) liquid →Gas
• D) gas →Liquid →Solid
• E) gas →Liquid

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