Ideal Gas Law and Real Gases

Ideal Gas Law and Real Gases

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video discusses the differences between ideal and real gases, highlighting the limitations of the ideal gas law. It explains when the ideal gas law is applicable, introduces the concept of the compressibility factor, and describes the Van der Waals model as a more accurate representation of real gases. The video concludes with a problem-solving example using the Van der Waals equation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in the video?

The behavior of liquids

The structure of atoms

The clash between ideal and real gases

The properties of solids

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an assumption of the ideal gas law?

Molecules have no volume

Molecules have strong intermolecular forces

Molecules do not attract each other

Collisions are perfectly elastic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Under what conditions does the ideal gas law work best?

High pressure and high temperature

Low pressure and high temperature

High pressure and low temperature

Low pressure and low temperature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do real gases deviate from ideal behavior at high pressures?

Because molecules have no volume

Because intermolecular forces are negligible

Because the volume of molecules becomes significant

Because temperature is too high

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the compressibility factor (Z) used for?

To measure the volume of a gas

To calculate the pressure of a gas

To determine the temperature of a gas

To assess how real gases deviate from ideal gases

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the compressibility factor being equal to one?

It means the gas is at absolute zero

It shows that the gas behaves ideally

It indicates a perfect liquid

It suggests the gas is a solid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Van der Waals model introduce to correct the ideal gas law?

New temperature scales

New equations for gas density

New variables for pressure and volume

New constants for intermolecular forces and volume

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