9
Physical and Chemical Changes Virtual Lab
DATA COLLECTION: Be as descriptive and detailed as possible and include physical state, color, opacity, etc. in your observations!!! Watch the video linked in Falcon Online Content for these observations!
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Chemicals Reacted |
Appearance of Chemicals Before Mixing |
Observations After Chemicals Reacted, |
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Copper solid (Cu) |
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Silver Nitrate solution (AgNO3) |
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Hydrochloric Acid solution (HCl) |
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Sodium Hydroxide solution (NaOH) |
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Zinc solid (Zn) |
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Hydrochloric Acid solution (HCl) |
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Sodium Carbonate solution (Na2CO3) |
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Calcium Chloride solution (CaCl2) |
9
Physical and Chemical Changes Virtual Lab
Name
DATA ANALYSIS:
1. For each of the reactions in the Data Analysis, describe the indicator of chemical change that you noted in your Observations (~ 4 sentences per reaction).
Use the table of Chemical Changes in the Introduction and Theory to pick your indication
. Start your explanation with the indication of the chemical change (example, “In my observations, I noted [indicator from the table]”). Explain the change from your initial observations before mixing and after the reaction occurred. If you saw more than one indicator, pick the one that was the most notable.
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Chemicals Reacted |
Indication and Explanation of a Chemical Change |
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Copper solid reacted with Silver Nitrate solution: |
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Hydrochloric Acid solution reacted with Sodium Hydroxide solution |
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Zinc solid reacted with Hydrochloric Acid solution |
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Sodium Carbonate solution reacted with Calcium Chloride solution |
2. Classify each of the events described below as either “chemical change” or “physical change”.
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Description of Event |
Classification |
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An apple begins to rot. |
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A wine glass falls to the floor and shatters. |
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An ice cube melts. |
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A silver spoon tarnishes. |
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A wet towel becomes dry. |
3. Give one example of a chemical change that you encounter in your everyday life.
NOTE:
You may NOT use any of the examples listed in question #2 above!
4. Give one example of a physical change that you encounter in your everyday life.
NOTE:
You may NOT use any of the examples listed in question #2 above!
