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Add 1to 2 drops of phenolphthalein and record the color below. Have not been exposed to this particular experiment.ġ ante acid tablet and place into the beaker with the water. Point presentation to explain the results you’ve gathered to an audience who Once you have your data collected you will prepare a power That your group should complete by the end of class. Sure to include which indicator you plan to use and why you picked it. Based on their functions, predict whether these solutions are acidic,Įxperiment to verify your predictions. Samples of various cleaning solutions, cosmetic solutions, cough syrups, andīeverages that are available in your home. Share in common with the red cabbage? What Use the internet to research if there are any other naturally occurring Leaf is a naturally occurring acid base indicator. You were testing an unknown and could only use one indicator which one would Is there a slight color difference between the three different acids? Between the three different bases? Record the color change if any.ĭrop of methyl orange in each test tube.
Base one labs full#
Record the color change if any.Ī test tube about ¼ of the way full with acid and fill another ¼ of theĭrop of phenolphthalein in each test tube. One drop of acid on each color of litmus paper. HCl for all the acid tests (accept for the universal indicator than test allīase tests (accept for the universal indicator than test all three bases). Research how the body uses electrolytes and why they need to be replenished Use the internet to research which ingredient(s) are contained that make Your body’s electrolytes when you drink it. Polyatomic ion do all 3 bases have in common?Īt least three household products that would be considered electrolytes.Ī popular sport drink, Gatorade, promises to replenish Recordĭoes NaCl (aq) conduct electricity, but NaCl (s) does not?ġ- 4 release ions when they are dissolved in solution. Record observations in the chart below.Ĭonductivity test for each substance. Test the water to see if it conducts electricity. A substance that can conduct electricity must have moving negative charges.Ī beaker ¼ of the way full with water. That have moved from one place to another. You have your data collected you will prepare a power point presentation toĮxplain the results you’ve gathered to an audience who have not been exposed The following is an experiment that your group should Include a simplified chemical reaction demonstrating what is really Use the internet to research the chemical composition of a pearl. To the trivia company explaining why this is not the case. Explain why the magnesium did not dissolve.Īn advertisement for a trivia game features theįollowing question “Do pearls melt in vinegar?” the “correct” answer Placed in a solution of hydrochloric acid, it also disappears. When sugar is placed in water, it disappears and is said to have
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Explain why it is a hazard to store acids in some metal containers, andĥ. Why did some of the reactions happen at a faster rate than others (*Hint*Ĭompare each acid used, what is different about the acids that were involved inĤ. Classify the type of chemical reaction that occurred when the zincģ. Reaction” is a valid observation and conclusion.) The balanced chemical equation for each reaction (*Hint* Remember that “no The zinc in each test tube with a different acid. One piece of “non-shiny” zinc in each test tube. Not been exposed to this particular experiment.
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Presentation to explain the results you’ve gathered to an audience who have Once you have your data collected you will prepare a power point The following sheets should be reproduced and handed out toĮxperiment that your group should complete by the end of class. Day two will be the research phase and finally day three will be the One will be spent on collecting data from the experiments.