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Phase Equilibrium

Authored by Lindley Cerrato

Chemistry

11th Grade

Used 11+ times

Phase Equilibrium
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6 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A _______ is a set of components that are being studied.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A lava lamp has the following phases:

two liquid phases

one solid phase and one liquid phase

two solid phases

one liquid phase

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

True or false. Equilibrium is when the rate of evaporation is greater than the rate of condensation.

True

False

I don't know

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This is the phase diagram for water. What happens when we are at 100 degrees Celsius and 200 kPa, and we slowly begin to increase the temperature to 250 degrees celsius maintaining our pressure constant?

we change phases from solid to liquid

we change phases from liquid to solid

we change phases from liquid to vapor

nothing happens

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

This is the phase diagram for carbon dioxide. What phase is it in at 0 degrees celsius and 324 kPa?

solid

vapor

gas

liquid

6.

OPEN ENDED QUESTION

15 mins • Ungraded

The triple point of carbon dioxide is at −16.7°C and 923 kPa. The critical point is at 59.6°C and 9.78 × 10^3 kPa. Vapor pressure above solid carbon dioxide is 101.3 kPa at −78.5°C. Solid carbon dioxide is denser than liquid carbon dioxide. Sketch the phase diagram. Label your x axis and y axis. Show a clear diagram. Remember this is graded. After you graph your phase diagram, answer the following question:

a. What state is sulfur dioxide in at 200 kPa and −100°C?

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