Home 1st Year Chemistry Notes Gases – FSC 1st Year Chemistry Chapter 3 Notes for Class 11

Gases – FSC 1st Year Chemistry Chapter 3 Notes for Class 11

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In this post, I am sharing, FSC 1st Year Chemistry Chapter 3 Notes PDF for Class 11 Students. “Gases” is the 3rd Chapter in the FSC Part 1 Chemistry book. I always try to post quality material for the students on ilmihub. I understand that students who have chosen FSC science group most of them are willing to go for the medical field. Students of FSC first year can download these notes for the preparation of their annual exams.

Are you Looking for 1st Year Chemistry Chapter 3 Notes Long Questions or Chemistry Chapter 3 Notes Class 11 PDF? Stay for a while and have a look below. I have shared outstanding notes of this chapter for you students. These notes are from Azeem Academy Notes. You can download 1st Year chemistry all chapters notes by visiting this link. However, I have also shared 1st Year all subjects notes too.

1st Year Chemistry Chapter 3 Long Questions and Comprehensive Notes

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Relevant Notes

Introduction to 1st Year Chemistry Chapter 3 Gases

I am sharing complete notes of Chapter 3 Chemistry 1st year in PDF in this post. However, here is a short introduction to “Gases” which is the main topic of this chapter.

Gas

“Gas is the simplest form of matter in which the particles exist independently.”

The earth’s atmosphere is a mixture of gases. It mainly consists of nitrogen and oxygen. So we live immersed in this gaseous solution.

Properties of Gases

All the gases have the same general properties, which are given below.

1. Valume

Gases have no definite volume. They occupy all the space available to them. So the volume of the gas is equal to the volume of the container in which the gas is placed.

2. Shape

Gases do not have a definite shape. They take the shape of the container just like liquids.

3. Density

Gases have low densities as compared to those of liquids and solids. Due to this, the gases bubble up through the liquids and tend to rise up.

4. Diffusion

Gases can diffuse into each other. They also have a tendency to effuse through a small hole.

5. Compression

Due to large empty spaces present among the gas molecules, the gases can be compressed by applying pressure.

6. Expansion

Gases expand on heating. The gas also expands when the available volume of the gas is increased.

7. Joule-Thomsan Effect

When a compressed gas is allowed to expand suddenly, it causes cooling. This phenomenon is called as Joule-Thomson effect.

8. Motion

The gas molecules are in a state of continuous random motion.

9. Collision

During their movement, the molecules collide with each other and with the calls of the container.

10. Gaseous Pressure

The pressure exerted by a gas on the walls of the container depends upon the number of these collisions.

11. Inter Molecular forces

The intermolecular forces among the gas molecules are very weak.

To get complete Chemistry 1st Year Notes Chapter-wise click here. I have taken these notes from Azeem Academy Notes. You can request any educational notes in our comment section. Like our Facebook Page and Subscribe to our Youtube Channel for more educational notes.

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