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!
Chemicals Reacted | Appearance of Chemicals Before Mixing |
Observations After Chemicals Reacted, |
Copper solid (Cu) | ||
Silver Nitrate solution (AgNO3) | ||
Hydrochloric Acid solution (HCl) | ||
Sodium Hydroxide solution (NaOH) | ||
Zinc solid (Zn) | ||
Hydrochloric Acid solution (HCl) | ||
Sodium Carbonate solution (Na2CO3) | ||
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.
Chemicals Reacted | Indication and Explanation of a Chemical Change |
Copper solid reacted with Silver Nitrate solution: | |
Hydrochloric Acid solution reacted with Sodium Hydroxide solution | |
Zinc solid reacted with Hydrochloric Acid solution | |
Sodium Carbonate solution reacted with Calcium Chloride solution |
2. Classify each of the events described below as either “chemical change” or “physical change”.
Description of Event | Classification |
An apple begins to rot. | |
A wine glass falls to the floor and shatters. | |
An ice cube melts. | |
A silver spoon tarnishes. | |
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!
