The Gas Laws
Chapter Name : States Of Matter |
Sub Topic Code : 102_11_05_06_01 |
Topic Name : The Gas Laws |
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Sub Topic Name : Boyle's Law Pressure Volume Relationship |
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Introduction
On the basis of his experiments, Robert Boyle showed that at constant temperature, the pressure of a fixed amount of gas varies inversely with its volume. This is known as Boyle’s law.
Pre-Requisites:
pressure, volume, gas
Activity:
Gas cylinder is compressed and stored as LPG for cooking or CNG for car.
Real Life Question:
How do drinks like coke retain the fizz?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Gas | Gas is the simplest state of matter. It is highly compressible and least dense. When pressure of a gas increases, its volume decreases. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Coke in a can | The carbon di oxide gas is in the coke can in compressed from. Opening the can releases the pressure and the gas has a greater volume and therefore fizzes out of the solution. |
Real life uses :
Gas is easily compressed at high pressure and it still remains a gas. LPG and CNG can be seen in the cooking gas cylinders and in CNG filling stations.
Places to visit :
Kitchen, gas station
Practical examples around us
| Examples | Explainations |
|---|---|
| CNG cylinder | Gas cylinder is compressed and stored as LPG for cooking or CNG for car. |
What you learn in Theory:
Pressure and Volume of a gas is inversely proportional at constant temperature and amount of gas.
What you learn in Practice:
Gases have unique physical property of compression which makes them highly useful.