Density and phase changes

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10 Terms

1
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What is the equation for density

d=m/v

2
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what is the equation for mass

dv

3
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what is the equation for volume

m/d

4
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What does a phase diagram give

conditions of temperature and pressure at which a substance exists as a solid, liquid, or gas.

5
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What is the triple point

The only set of conditions at which all three phases can exist in equilibrium with one another.

6
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Point when gas cannot become liquid regardless of pressure.

Critical point

7
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At critical point more than one _____ is present

phases

8
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both solid and liquid

both liquid and gas

9
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At a critcal point there is _____ change in temeprature

zero

10
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if two phases are present temperature is what

constant