Dynamic Equilibrium and Vapor Pressure

Dynamic Equilibrium and Vapor Pressure

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains vapor pressure, dynamic equilibrium, and their relationship with temperature. It discusses how vapor pressure is the pressure of a gas above a liquid in a sealed container and how dynamic equilibrium is achieved when vaporization and condensation rates are equal. The tutorial also covers the concept of volatility, boiling points, and how atmospheric pressure influences boiling points, using real-world examples like population dynamics and bathtubs to illustrate equilibrium.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required for a liquid to reach dynamic equilibrium in a container?

The container must be sealed.

The liquid must be heated.

The liquid must be cooled.

The container must be open.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a dynamic equilibrium, what happens to the molecules of a liquid?

They remain static.

They move in one direction only.

They constantly move and exchange between liquid and gas phases.

They evaporate completely.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is dynamic equilibrium similar to a static population in a country?

The population never changes.

The population only increases.

The birth rate equals the death rate.

No one is born or dies.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a higher vapor pressure indicate about a substance's volatility?

The substance is less volatile.

The substance is more volatile.

The substance is explosive.

The substance is stable.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between vapor pressure and temperature?

Vapor pressure increases with increasing temperature.

Vapor pressure is unrelated to temperature.

Vapor pressure remains constant with temperature changes.

Vapor pressure decreases with increasing temperature.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the normal boiling point of a substance?

The temperature at which it condenses.

The temperature at which it freezes.

The temperature at which it boils at 1 atmosphere pressure.

The temperature at which it boils at any pressure.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the point where vapor pressure equals atmospheric pressure?

It is the boiling point.

It is the melting point.

It is the freezing point.

It is the condensation point.

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