If a Pure Substance Begins at Point a on the Phase

question 20

Multiple Choice

If a pure substance begins at point A on the phase diagram below and the pressure on the substance is reduced at constant temperature until point B is reached,what process occurs?

• A) fusion
• B) vaporization
• C) condensation
• D) sublimation
• E) none of the above

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Definitions:

Norms

Shared standards of acceptable behavior and beliefs within a group or society.

Reliability

Refers to the consistency of a measure or test over time.

Standard Deviations

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Mean

The mathematical average of a set of numbers, calculated by dividing the sum of these numbers by the count of the numbers.