are several supplies that are needed to make this lava lamp. 1. You will need Water. 2. The second item is a clear plastic bottle. 3. The third item is vegetable oil. 4. The fourth item is food coloring of your choice. 5. The fifth item is Alka-Seltzer tablets. Transition: Now that we’ve collected all the materials we can begin on our steps. 1. Pour water into the plastic bottle until it is around one quarter full (you might want to use a funnel when filling the bottle so you don’t spill anything)
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time to see the difference between the rates of reactions speed. Materials: - 1 graduated cylinder - 1 film canister - Vinegar - Water - Phone (as timer) - 2 Alka-Seltzer tablets - Electronic scale Procedure: 1. Fill the graduated cylinder with 10ml of vinegar and put it in the clean film canister. 2. Break the Alka-Seltzer tablets to two parts from the middle‚ measure both parts on the electronic scale (half tablet is 1.5g) and break little pieces from the bigger half if necessary‚ to
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MT-11 02/20/15 Investigatory Project in Chemistry How Green Algae Can Be One of the Best Ways to Help Reduce CO2 Concentration in the Atmosphere Members: Urrutia‚ Maria Veronica S. Sevilla‚ Ruth Consuegra‚ Donita Reloj‚ Mary Roschael Dela Cruz‚ Samantha Claire Introduction Some hope fertilizing tiny‚ floating plants in the ocean‚ prompting them to suck carbon dioxide out of the air
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50 * * * 06.05 Rate and Collision Theory: Assessment Instructions Investigation of the Rate of a Reaction Background: The reaction that you will be investigating is the reaction that occurs when an Alka-Seltzer tablet is placed into a given amount of water. Alka-Seltzer is an over-the-counter antacid and pain relief medication that is dissolved in water before it is ingested. Each tablet contains aspirin (acetylsalicylic acid)‚ citric acid‚ and sodium bicarbonate. As the tablet dissolves
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Time; 30 minutes. Resources: | Rationale: | Clear plastic bottle. 3/4 cups of water. Vegetable oil. Food colouring. Alka –Seltzer tablets. | Get your clear plastic empty bottle‚ put 3-4 cups of cold water into the bottle‚ then add the vegetable oil till its nearly full up to the top‚ then add 10-15 drops of food colouring‚ after that add 1 or 2 alka-seltzer tablets and watch the effect happen. Finding out about the density of water and oil. | Learning Outcomes for the Children
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Properties of Gases General Chemistry 1 Lab 5 Abstract: The purpose of this experiment is to examine the properties of several gasses‚ which were the products of a reaction‚ and examine the way the gasses react under certain conditions. These conditions‚ such as introducing a flame to the gas as well as oxygen and CO2‚ caused other reactions to occur. Hypothesis: If the gasses are correctly synthesized then there will be a clear reaction with the introduction of the flame‚ O2‚ CO2‚ Air
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(HCl) 9. 3 M HCl 10. Iron (III) chloride (FeCl3) 11. Sodium chloride (NaCl) 12. Calcium chloride (CaCl2 ) 13. Potassium nitrate (KNO3) 14. 0.3% hydrogen peroxide (H2O2) solution 15. 8 test tubes 16. Test tube rack 17. 3 250mL beakers 18. Alka Seltzer tablet 19. 3 pieces of zinc metal Procedure: Particle size 1. Have two test tubes in the test tube rack. Put 1M hydrochloric acid into both of these test tubes. 2. Take a scoop full of powdered CaCO3 and put it in a test tube at the same
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* Then I mixed Alka Seltzer and water and pumped the gas caused by that reaction into some limewater. Data: Data Table: Experiment Results | Gas | Flame Reaction | Glowing Splint | Limewater reaction | Bromothymol blue reaction | Hydrogen | It enlarged the flame. | | | | Oxygen | It lit up quickly | | | | Hydrogen & oxygen | It puts it out. | | | | Carbon dioxide | It puts it out | | It bubbled and turned cloudy. | It turned it yellow | Alka Seltzer | | | Bubbles
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and vinegar‚ and observed the limewater turning murky and grey‚ an indication of CO2. Then did the same with a well of bromothymol blue which indicated an acid. I exposed this gas to a flame and the flame extinguished immediately. I then combined alka-seltzer and water‚ and inserted the gas into the lime water again. I then tested the CO2 from my breath with the lime water. Data Table: Gas Hydrogen Flame reaction Loud pop and flame extinguished Glowing splint Limewater reaction Bromothmol blue reaction
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coloring. Oil is less dense than water so it does not mix with the water. Food coloring is denser than water‚ so it drops through the oil and settles in the water mixing with it. The chemical reaction is a result of dropping the Alka-Seltzer into the water. When Alka-Seltzer tablets are dissolved in water‚ bicarbonate forms (from the sodium bicarbonate)‚ which in turn reacts with hydrogen (from citric acid) to form water and carbon dioxide gas. As the carbon dioxide gas bubbles float up towards the
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