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[DOCX File]9.3 Lab-BROMOTHYMOL BLUE LAB 2012.docx
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Bromothymol blue is an indicator solution to those used to test for food nutrients. It starts as a blue solution in water, and turns yellow in the presence of carbon dioxide. A small piece of elodea will be introduced to a solution containing bromothymol blue and CO2. The point is to determine whether the elodea will have an affect on CO2 levels.
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[DOC File]Photosynthesis Lab - Elodea and Bromthymol Blue
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Bromothymol blue is a chemical indicator that changes color as the pH of a solution changes. It is yellow in acidic solutions and blue in basic and neutral solutions. When carbon dioxide is dissolved in water, it creates carbonic acid, pH~5.7.
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[DOC File]The Effects of Exercise on Cellular Respiration
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Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). Bromothymol blue works because it is able to detect the presence of . CO2 (needed for photosynthesis) and . O2 (released during photosynthesis) in solution. In a test tube, you will see that: bromothymol blue + CO2 = green color. bromothymol blue + O2 = blue color
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Bromothymol blue - Wikipedia
that changes color (blue to green) if exposed to acid. In other words, Bromothymol Blue will change colors (blue to green) when CO. 2 is present because CO 2 . converts to an acid in the presence of water.. Using the Titration Technique described below, you can compare the amount of carbon dioxide produced by people at different levels of activity.
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Bromothymol blue color