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Phase Change Diagram Review

Authored by Angela D Jones

Chemistry

8th - 11th Grade

NGSS covered

Used 443+ times

Phase Change Diagram Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Water exists as a _____________ at 700 mmHg and 50 °C.

solid
liquid
gas
supercritical fluid

Tags

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What phase change(s) may occur at pressures below 4.58 mmHg?

sublimation/deposition
melting/freezing
all phase changes are possible at these pressures
vaporization/condensation

Tags

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is true regarding CO2 for temperatures above 31 °C, past its critical point?

It can never be liquified.

It decomposes.

It has a high pressure.

It is a plasma.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

At 10 atm, dry ice is heated from -100 °C to 30 °C.  What changes occur?

freezing, then condensation
melting only
sublimation only
melting, then boiling

Tags

NGSS.MS-PS1-4

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What state of matter is X?

solid 
liquid
gas
supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What state of matter is Y?

solid 
liquid
gas
supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What state of matter is Z?

solid 
liquid
gas
supercritical fluid

Tags

NGSS.MS-PS1-4

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