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IB Chem lab. Once all twelve chemicals observations were recorded we started to experiment by mixing individual chemicals with other chemicals and recorded observations based on what we saw

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Recognizing Chemical Change Daniel Guerrero/ Megan Dorn Thompson/ period 4 15/09 Purpose: We experimented with different kinds of chemicals in order to observed their reaction with each other. Abstract: The objective of this experiment was to observed the different kinds of reactions between different states of chemicals. There were many different kinds of results depending on the two kinds of chemicals and in one case, the way we made them react, like with Mg and Oz. ...read more.


In the end there were ten combinations we could do, and only one had no change at all. One had a powerful, blinding reaction, while many others had just a color change. Data: Chemical Name Observations Chemical RxN Observations CuSO4 Blue, clear, odorless, liquid FeCI3 + K4Fe(CN)6 Turn into dark green color NH4OH Clear smells like gas, liquid NH4OH + AgNO3 Odor change, vinegar odor KSCN beige color, brown spots, odorless, liquid FeCI3 + KSCN Change to blood like color Al solid, silver, circular shape and hard FeCI3 + AgNO3 Form solid at the bottom, change color ...read more.


Liquid, clear, odorless Mg Silver, metal, shiny, solid Results and Discussions: By the end, there were 2 state changes, first the FeCI3 and AgNO3 creates some solid residue out of two liquid chemicals. Then with Mg and Oz, there was gas being created. Then 2 other experiments reacted and created baubles: NaOH and HCI, NaOH and AgNO3. There was only one group, the HCI and Al, that had no reaction at all. The rest had chemicals change that we in the form of color change or in the case of 3 there was a change in odor. ...read more.

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