Alka Seltzer Lab Results
Experiment 1: Materials: • Alka-Seltzer tablets • Empty and clean water or soda bottles (12 oz to 24 oz) • Balloons • Water • Clock • Stove top Procedure: 1. Pour a sufficient amount of water (about 16 oz) into a small pot and place on the stove at high heat. 2. Watch the clock and after 30 seconds take the water off the heat. 3. Drop one Alka-Seltzer tablet into one empty water bottle. 4. Pour the hot water from the pot into the bottle. 5. Stretch the open end of the balloon around the mouth of the bottle and hold it there. 6. Observe the reaction and record how fast the Alka-Seltzer dissolves. 7. Place an Alka-Seltzer tablet into a second empty water bottle. 8. Pour 16 oz of room-temperature water into the bottle. 9. Stretch …show more content…
Pour a sufficient amount of room-temperature water (about 16 oz) into a large glass. 2. Add a tablespoon of salt to the water and stir well. 3. Drop an Alka-Seltzer tablet in an empty water bottle. 4. Pour the salt-water solution into the water bottle. 5. Stretch the open end of the balloon around the mouth of the bottle and hold it there. 6. Observe the reaction and record how fast the Alka-Seltzer dissolves. 7. Place an Alka-Seltzer tablet into a second empty water bottle. 8. Pour 16 oz of room-temperature water into the bottle. 9. Stretch the open end of the balloon around the mouth of the bottle and hold it there. 10. Observe the reaction and record how fast the Alka-Seltzer dissolves. 11. Repeat steps 1-10 for two more trials. Conclusion: 1. I chose to compare temperature and amount of reactants in my experiments. I chose these because I thought they would reveal the the most drastic time differences. I also chose these factors because I had prior knowledge of them before I even started chemistry. I always knew heat caused things to dissolve faster, similar to how things melt faster the higher the temperature gets above their melting point. I included an extra reactant in my second experiment because I was interested in seeing how that would affect the
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