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Electrolysis of Water.

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I have used a battery and water treated with washing soda to separate water into hydrogen and oxygen in class. Can someone explain in simple terms what happens to change the water into two gases?

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https://brainmass.com/chemistry/batteries/electrolysis-of-water-115114

Solution Preview

Water is a chemical, like almost everything, but it has the chemical formula H2O.

When we draw the compound it looks something like:

O -- H
/
H

When water is "electolyzed" (electricity is applied, with appropriate voltage used) you can split water into the two elements that make it, hydrogen and oxygen. For every one water molecule, you will make 2H atoms, and one O atom, however, neither oxygen nor hydrogen exist like that, they much prefer to exist as H2 gas and O2 ...

Solution Summary

What happens to change water treated with a battery and washing soda to change into two gases are discussed.

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Electrolysis of water

By the electrolysis of water, 11.2 L oxygen at STP was prepared.

A) What charge was required?

B)If a current of 0.5A was used how long did it take?

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