Research Experiment:  Depending on how the shape is, it will affect the speed of the reaction with  copper sulfate and the color of the solution.



Background Information: In Copper Sulphate solution you have Copper ions (and Sulphate ions). When you add Aluminum foil to the solution, the metal Aluminum will transfer electrons to the Copper ions, and Aluminum ions will be formed instead. That is why you see a hole in the aluminum. If the material such as Aluminum foil has a bigger surface area it will be able to absorb more of the solution.

Hypothesis:  I predict that the larger the surface area the faster the reaction will happen with the copper sulfate.

Material:

• copper sulfate
• 3 (2cm by 2cm) square Aluminum foil
• test tubes
• graduated cylinder
• safety glasses
• scissors
• ruler
• cuvitte
• colorimeter
• computer
• pencil and paper (to record results)

Procedure:

1. First get 3 (2cm by 2cm)  sizes of Aluminum foil
2. First square u roll into a ball as tight as possible, second square you fold it as many times as u can, the third square you leave alone.
3. Then you put 10 mL in 3  test tube
4. Insert the the 3 different aluminum foil shape into the 3 different test tubes
5. Then let it set for 30 minutes
6. after 30 minutes put each solution into a cuvitte
7. put each cuvitte in the colorimeter
8. Record your results according to how much light gets through
9. Repeats steps 1-8 as desired

Shape of aluminum foil:	% of how much light gets through
None	76.93%
Ball shape	83.60%
Compact square shape	79.60%
regular square shape	90.00

Pure copper sulfate: 76.93%
Ball:83.60
Compact Square: 79.60
Regular Square:90.00

Conclusion: My hypothesis was correct the aluminum foil which had the largest surface area had the fastest reaction. I measured it by how much color was coming through. I'm predicting that since had a little more gaps it helped the reaction go faster. Pure copper sulfate had 76.93% of light going through it, the ball shaped head 83.60% if light going through it, the compact square had 79.60% if light going through it, and the regular ( un-touch Aluminum foil) had 90% of light going through. If I were to do this experiment again i would do 2-3 more tests to get a more accurate result.


Further Inquiry: Next time I would see if water temperature would affect the reaction. Adding more copper sulfate would that take more time for the reaction or faster. If I increased the temperature it might have had a faster reaction. If you put more of the solution it might take longer.

Chemical Reaction Lab

Chemical Reactions Lab

Problem:  The signs of a chemical reaction that has taken place is when the color changes, gas is released, change in temperature, and Precipitate.

Materials:  

·         4 small plastic cups

·         Eyedroppers

·         Test tubes

·         2 plastic spoons

·         Tongs

·         Matches

·         Sodium carbonate (powder)

·         Graduated cylinder, 10 mL

·         Aluminum foil, about 10-cm square

·         Dilute hydrochloric acid in a dropper bottle

·         Copper sulfate solution

·         Sodium carbonate solution

Procedure:

           Baking soda + vinegar: Add a teaspoon of backing soda and then about 8 drops of vinegar in a test tube and record your results.

Copper sulfate +Sodium carbonate solution: Add a teaspoon of Copper sulfate into a test tube and 8 drops or sodium carbonate solution and record your results.

Zinc piece + HCl: Add one piece of Zinc ( size of a small pebble ) into a test tube then add 8 drops of HCl and record your results.

Calcium Chloride + Sodium Carbonate: Add a teaspoon of sodium carbonate into a test tube and then add 8 drops of Calcium Chloride and record your results.

Copper sulfate + Aluminum foil piece: Add 20 drops of copper sulfate and then drop in the Aluminum foil piece and record your results. You may have to wait awhile before you see change.

Starch and Iodine: Add a teaspoon of starch and then add 8 drops of Iodine and record your results.

Reaction	Observation before reaction	Predictions	Observation during reaction	Observation after reaction
Backing soda (soda carbonate) + Vinegar	Its in powder form	It will bubble	It fizzed (released gas)	It dissolved and it settled
Sugar + Heat	N/A	N/A	N/A	N/A
Copper Sulfate + Sodium carbonate solution	It is baking soda powder and liquid	BOOM	It fizzed (released gas)	It precipitate, settled, and dissolved
Zinc Piece + HCl	Pebble of Zinc and liquid acid	Bubbles	fizzes slowly	Aluminum foil turned into copper (red color)
Calcium Chloride + Sodium Carbonate	Separate substances	BOOM	fogginess	precipitate
Copper sulfate + Aluminum foil piece	Foil and liquid	POOF	Blue color fading and bubbles surround foil	Blue color fading/ and turned black
Starch    + Iodine	liquid on top, powder on bottom	BOOM	Started dissolving together	Dissolved and when H2O was added it turned purple

Analyze and Conclude:

1. The results of the reactions were slightly different from the predictions we had because a lot of them predictions were things such as, "It will explode" and a lot of the things did not explode.
2. We new the reactions was over because the fizzing had subsided and the sodium carbonate had dissolved into the vinegar and had become a new solution.
3. The product was a liquid and we knew because we saw the end product.
4. The end result in part 3 was a liquid with precipitation which were small pieces of solid so it was a mixture with solid particles.
5. We used sight to to tell the outcome of the reaction We could use instruments to maybe tell the different properties of the end result of the reactions.

  

   

We did an experiment in science consisting of candy. We used different types of candy to represent different atoms. Then show it was ionic or covalent bond. This picture represent different compounds made from the different candy's I used in this experiment and the best part was eating it at the end

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