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CHEMICAL INTERACTIONS
Lesson 2 - Page 2

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CHEMICAL COMPOUNDS - ELECTROLYSIS

PROBLEM: Can you "break" water into its elemental components?

HYPOTHESIS:___________________________________________________

PROCEDURE:

MATERIALS: 2 carbon rods, 2 wires with alligator clips, 2 10 mL graduated cylinders, 1 6 volt battery, epsom salt, water, wood stick, 1 250 Ml beaker, matches

Use the following diagram to help you set up your apparatus.

 

 

 

 

 

1. When you submerge both rods into the beaker what happens?

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2. After about 10 minutes, describe the amount of gas collected in each graduated cylinder.

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3. When the hydrogen collecting graduated cylinder is filled, test it for hydrogen. BE CAREFUL...follow all instructions. Carefully hold the graduated cylinder upside down, remove it from the water. Bring a burning wood stick, to the mouth of the upside down graduated cylinder. Describe what happens.

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4. For the other graduated cylinder, cover the mouth of it before you remove it from the water. Turn it right side up when you get it outside of the beaker. Insert a GLOWING wood stick into the graduated cylinder. Describe what happens.

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CONCLUSIONS:

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