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Electrolysis of Water
Transcript of Electrolysis of Water
During the electrolysis of water, which electrolyte conducts electricity the best?
Electrolysis is a method of using a direct electric current to drive an otherwise non- spontaneous chemical reaction. By doing this with water, bonds in molecules break supplying clean, healthy energy. This can help the world, the economy, and power homes and cars cheaper.
1. Insert the thumb tacks into the bottom of the plastic container so that the points push up into the container. Space them so that they’re the same distance apart as the two terminals of the 9V battery.
2.Place the plastic container with the thumb tacks over the terminals of the battery. If the cup is too large to balance on the battery, find something to stack it on: between two books, Post-its, etc.
3.Slowly fill the container with distilled water. If the tacks move fix them before you proceed.
4.Add a pinch of baking soda.
5.Watch what happens above the push pins. Record your observations. What happens? Does one tube have more gas than the other?
6.Discard the solution, and repeat the procedure with a different combination:
•Distilled water and lemon juice
•Distilled water and table salt
•Distilled water and dish detergent
Was I Right or Wrong?
I was right about salt, and I was right about baking soda conducting energy, but lemon surprised me. Dishwashing detergent didnt do as well as any of the materials.
Salt bubbled and produced orange energy from the battery
Only bubbled on positive side
Electrolysis of Water
By: Ty Browning
•2 silver-colored thumb tacks
•Small, clear plastic container (a plastic to-go sauce container from a restaurant would work great)
To add to the distilled water:
I think that, judging by my research, out of baking soda, lemon, dishwashing detergent, and table salt, baking soda and table salt will conduct the best electric current. This is true because salt, which is obviously in table salt and less obviously in baking soda, dissociates (dissolves) into ions which conduct electricity.
Bubbled from both ends
Didn't release orange energy
Bubbled collected at surface of water
slowly released white foam
the detergent settled at the bottom
How to Use This Information
Salt is the best conductor of energy
Lemon and baking soda also conduct it well
By using salt and cheap energy we can provide more energy to homes around the world
Bubbled a lot on both sides
Bubbled more on positive side
How I could have made it better
If I had more equipment
Done it at home