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Hydrogen (H2) plus oxygen (O2) reactions release tremendous heat. This is the same reaction as used in some rocket engines. It involves 1 mole of H2 + 1/2 a mole of O2 to yield 1 mole of water (H2O) which is exothermic, or heat releasing.

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11y ago

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Can 2 hydrogen molecules be combined with an oxygen molecule to make water?

YES, this happens when hydrogen burns. 2H2 + O2 ==> 2H2O


In the example of hydrogen plus oxygen water which type of reaction does this represent?

Hydrogen combining with oxygen to form water is an exothermic reaction, which is why hydrogen burns.


What colorless gas burns with oxygen?

Hydrogen is a colorless gas that burns with oxygen. If substances will burn in air, those same substance will burn better in oxygen.


What chemical is made when hydrogen burns?

When hydrogen burns, it combines with oxygen to form water (H2O).


When hydrogen burns what compound does it make?

Water (H2O) is formed when hydrogen is burned by oxygen


What happens when element are combined?

What do you mean by combine? I can mix hydrogen and oxygen and nothing happens, it is a mixture. If I strike a match in this mixture, he hydrogen burns and the two elements make a compound -- water. Because it is so hot from burning you can't see the water, but if you collect and cool it you will get water.


What product is formed when hydrogen burns the air?

When hydrogen burns in air, it forms water (H2O). This is a chemical reaction in which hydrogen gas (H2) reacts with oxygen gas (O2) to produce water vapor.


Who discovered the water can be us as gasoline?

No one, as it can't. They are developing an automobile that runs on water. It separates the hydrogen from the oxygen. The hydrogen burns.


What chemical product is made when hydrogen burns?

Hydrogen chloride (HCl). It is commonly known as hydrochloric acid.


What happens when hydrogen and oxygen is mixed?

water is left


Can you name a fuel which burns without giving water vapour?

coal is a fossil fuel that burns without giving water vapour.


What happens when hydrogen and oxygen molecules form water?

A chemical reaction between oxygen and hydrogen occur.