Table of Contents
- 1 Is hydrogen a combustible gas?
- 2 Is hydrogen a combustion reaction?
- 3 Is combustion of hydrogen endothermic or exothermic?
- 4 What is the enthalpy of combustion of hydrogen?
- 5 Is hydrogen more explosive than gasoline?
- 6 Why is h2 so explosive?
- 7 Is the hydrogen combustion engine a good idea?
- 8 Which is a combustible gas but does not support combustion?
Is hydrogen a combustible gas?
Hydrogen used in the fuel cells is a very flammable gas and can cause fires and explosions if it is not handled properly. Hydrogen is a colorless, odorless, and tasteless gas. Hydrogen used in the fuel cells is a very flammable gas and can cause fires and explosions if it is not handled properly.
Is hydrogen a combustion reaction?
When the hydrogen molecule is burned (hydrogen combustion) with oxygen gas, the bonds between two hydrogen atoms are broken as well as those between oxygen atoms to make up bonds between hydrogen and oxygen atoms. This combustion reaction also releases 286,000 joules of energy per mole of hydrogen gas burned.
Is hydrogen not a supporter of combustion?
Hydrogen is a very combustible element in the presence of oxygen, but it does not support combustion as oxygen does. Therefore, Hydrogen does not support combustion. Note: The ability of hydrogen to produce heat with oxygen makes it a good fuel.
Is hydrogen easily combustible?
It’s also the most abundant element in the universe. Read more about the importance of hydrogen. Hydrogen is also highly flammable and will easily combust or explode even at low concentrations.
Is combustion of hydrogen endothermic or exothermic?
Hydrogen reacts with oxygen to make water. The reaction between hydrogen and oxygen is exothermic.
What is the enthalpy of combustion of hydrogen?
Enthalpy of Combustion
| Substance | Combustion Reaction | Enthalpy of Combustion, ΔH∘c(kJmolat 25∘C) |
|---|---|---|
| hydrogen | H2(g)+12O2(g)⟶H2O(l) | −285.8 |
| magnesium | Mg(s)+12O2(g)⟶MgO(s) | −601.6 |
| sulfur | S(s)+O2(g)⟶SO2(g) | −296.8 |
| carbon monoxide | CO(g)+12O2(g)⟶CO2(g) | −283.0 |
Which gases does not support combustion?
The gaseous components which do not support combustion are carbon dioxide and nitrogen.
What gas supports combustion?
oxygen
oxygen is a neutral gas that supports combustion.
Is hydrogen more explosive than gasoline?
Free hydrogen is extremely reactive. It is ten times more flammable than gasoline, and twenty times more explosive. And the flame of a hydrogen fire is invisible. This makes it very dangerous to work with, particularly in fueling stations and transportation vehicles.
Why is h2 so explosive?
Hydrogen gas is very flammable. The heat given off by the candle provides the activation energy required for the reaction that produces water from hydrogen and oxygen. This reaction is highly exothermic, producing the prodigious explosion.
Can a combustion reaction be endothermic?
All combustion reactions are endothermic.
What is the equation for the combustion of hydrogen?
The following equation describes the burning of hydrogen gas to form liquid water. 2H2(g) + O2(g) → 2H2O(l ) Chemical equations give the following information about chemical reactions.
Is the hydrogen combustion engine a good idea?
On the surface, a hydrogen combustion engine seems like a perfect solution for eliminating the negative effects of gasoline-powered vehicles. However, as Jason Fenske from Engineering Explained says, there’s more to it than the data we see on paper.
Which is a combustible gas but does not support combustion?
Hydrogen is a very combustible element in the presence of oxygen, but it does not support combustion as oxygen does. Let us see I brief the nature of hydrogen which does not allow substances to burn in it with the help of an experiment.
Why is a hydrogen engine good for space travel?
They feel it’s perfect for space travel because of the low molecular weight and its ability to burn with intensity. On the surface, a hydrogen combustion engine seems like a perfect solution for eliminating the negative effects of gasoline-powered vehicles.
How can you tell if hydrogen is a combustible gas?
Consider a jar filled with hydrogen with inverted mouth downwards and introduce a burning candle near the mouth of jar, the gas burns at the mouth of the jar while the burning candle gets put off. This shows that hydrogen is combustible but not a supporter of combustion.