Dihydrogen As A Fuel
Chapter Name : Hydrogen |
Sub Topic Code : 102_11_09_09_01 |
Topic Name : Dihydrogen As A Fuel |
|
Sub Topic Name : Dihydrogen As A Fuel |
|
Introduction
• Dihydrogen releases large quantities of heat on combustion. • On a mass for mass basis dihydrogen can release more energy than petrol (about three times). • Pollutants in combustion of dihydrogen will be less than petrol. • The only pollutants will be the oxides of dinitrogen (due to the presence of dinitrogen as impurity with dihydrogen) which can be minimized by injecting a small amount of water into the cylinder to lower the temperature so that the reaction between dinitrogen and dioxygen may not take place. • It is also used in fuel cells for generation of electric power.
Pre-Requisites:
Elements
Activity:
• On a mass for mass basis dihydrogen can release more energy than petrol (about three times).
Real Life Question:
How does a rocket shoot up in the air?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Dihydrogen | Two atoms of hydrogen bonded together. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Rocket propulsion | Rocket propulsion needs hydrogen gas. |
Real life uses :
It is also used in fuel cells for generation of electric power.
Places to visit :
Home.
Practical examples around us
| Examples | Explainations |
|---|---|
| dihydrogen | It is also used in fuel cells for generation of electric power. |
What you learn in Theory:
• Dihydrogen releases large quantities of heat on combustion. • On a mass for mass basis dihydrogen can release more energy than petrol (about three times). • Pollutants in combustion of dihydrogen will be less than petrol. • The only pollutants will be the oxides of dinitrogen (due to the presence of dinitrogen as impurity with dihydrogen) which can be minimized by injecting a small amount of water into the cylinder to lower the temperature so that the reaction between dinitrogen and dioxygen may not take place. • It is also used in fuel cells for generation of electric power.
What you learn in Practice:
• Dihydrogen is an efficient fuel.