Name: Period: Date of Lab: Evidence for Chemical Change in Removing Copper from Solution Objective:
Safety Considerations:
Data: Complete the data table based on the data taken during the lab. Construct an evaluation of each procedure that includes the following information, in the table below. Procedure 1 or "Heating a Wooden Splint" Type of matter Physical description Reactants
Chemical Changes observed:
Physical Changes observed:
Products
Type of matter
Physical description
Type of matter à mixture (heterogeneous or homogenous) or pure substance (element or compound).
If you prefer a more linear (straight) approach use this format instead of the table. You will either choose to use the table format OR you will use this format: Procedure 1 or "Heating a Wooden Splint" ReactantsType of MatterPhysical DescriptionChemical Changes observedPhysical Changes observedProductsType of MatterPhysical Description-
Conclusions: 1. In what ways is heat involved in chemical change? Cite specific procedures from the experiment. •
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, as was shown in Procedure (X) , where XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.
•
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, as was shown in Procedure (X) , where XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.
2. What are some of the substances that dissolve in water. Which do not? Dissolved (soluble) Not Dissolved (insoluble)
3. What is the color of solutions of copper compounds?
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4. List four types of “general” observations that indicate when a chemical change has occurred. They need not have occurred in this particular lab. XXXXXXXXX
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