Physical and Chemical Changes Lab PDF

Summary

This lab explores the differences between physical and chemical changes. It includes experiments focused on chemical and physical changes, including observation. Students will determine a chemical reaction occurred through observations.

Full Transcript

Physical and Chemical Changes Ring stand Stirring rod =-'.,..,.-: -"==- "f'--...

Physical and Chemical Changes Ring stand Stirring rod =-'.,..,.-: -"==- "f'-- - _____ :i 250-ml beaker Wire gauze Ring Bunsen burner Figure 1 Apparatus to boil water 3. Light the Bunsen burner and place it under the beaker. Adjust the burner so the hottest part of the flame touches the bottom of the beaker. 4. Bring the water to a boil. Make and record careful observations. 5. Use the tongs to hold the sponge over the beaker for a couple of minutes as the water boils. 6. Place the sponge on the lab bench and let it cool. 7. Squeeze the sponge. Record your observations. Part4 1. Place a few drops of 3.0 M HCI in one of the wells of your well-plate. 2. Add a small piece of magnesium ribbon to the acid. Make and record careful observations. 3 of 12

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