The Phase Diagram for a Pure Substance Is Shown Below

question 15

Multiple Choice

The phase diagram for a pure substance is shown below. At 100 atm and 250 K,the substance exists as

• A)both vapor and liquid in equilibrium.
• B)liquid.
• C)both vapor and solid in equilibrium.
• D)vapor.
• E)solid.

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Definitions:

Texture Gradients

A visual cue in perception where objects closer to the viewer show more detailed texture, aiding in depth perception.

Interposition

A visual cue to depth that occurs when one object partially blocks another, indicating that the blocking object is closer.

Motion Parallax

A depth cue based on the fact that, as an observer moves, the retinal images of nearby objects move more rapidly than do the retinal images of objects farther away.

Binocular Disparity

The difference in the images received by the two eyes due to their different perspectives, which contributes to depth perception and stereopsis.