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# Phase Diagrams

### Phase DIagrams

QuestionAnswer
A phase diagram shows the relationship between: temperature, pressure, and the three phases of matter
A single homogeneous physical state is referred to as A Phase
The phase change that results from a solid going directly into the gaseous phase is: sublimation
On a phase diagram, the intersection of the solid, liquid, and gaseous lines is known as the ? triple point
On a phase diagram, the temperature and pressure at which the phase boundary between the liquid and gas ceases to exist is called the ? critical point
Beyond the critical point, the phase of the substance is referred to as a ? supercritical fluid
Above the critical temperature, it is impossible to ? apply enough pressure to condense the gas to a liquid
The lines on a phase diagram represent the temperatures and pressures of ? two phases of the substance are present
On a phase diagram, temperature and pressure can either be varied or held constant. These factors are referred to as ? independent variables
When a substance goes from a solid to a liquid phase, this phase change is known as ? melting
When a substance goes from a liquid to a solid phase, this phase change is known as ? freezing
The phase change that results from a gas going directly into the solid phase is: deposition
Created by: acostello114