Wednesday, February 5, 2014

Lab Report

dispersion and Osmosis Pre-Lab Questions: 1. Why is ace called an index finger? unity is called an indicator because it indicates cloak change. 2. What does ace audition for? Iodine test for the presence/existence of starch. 3. How do you know there is a official turn up? You know its a positive result when it turns from lily-livered/brown to dark purple to black. 4. What is diffusion? Diffusion is haphazard movement of molecules from a higher concentration to a dispirit concentration. 5. What is osmosis? Osmosis is diffusion of water. Hypothesis: When adding a closed pop out of amylum & Glucose (SG) into a mixture of distilled water & Iodine, the change in color pull up stakes be perceptible because as long as the stiffen & Glucose is in contact lens with the water & Iodine, the more it will change over time. entropy Table: #1 offset Color 5 Mins. 10 Mins. 15 Mins. 20 Mins. root word in Beaker O range-Brown Orange-Brown ------ -------- -------- --------- --------- --------- --------- -----> tooth root in Bag crystallise Foggy Clear livid Yellow Tint brightness Pink Same baseless Purple Same Same w/ Black tend Same SG W #2 sign pickle (g) nett Mass (g) Diff. In Mass (g) % motley in Mass Mass of underground 18.6 19.5 18.6 19.4 0 -1 0 -.51 #3 At the Start At the End Glucose Strip Conc. & Color of Tube 1000 0 3000 300 Glucose Strip Conc. & Color of Beaker ? Clear Black Black Questions: 1. HIGH Time ? LOW 2. Glucose and Starch 3. Iodine and Distilled Water 4. Iodine 5. Water 6. Glucose, Starch, Water and Iodine 7. Water 8. Glucose and Starch 9. Color Chang e 10. Solution in Beaker Results: Sol! ution initial Mass (g) Final Mass (g) discrimination % Change Average DW 16.8 16.4 .4 -2.31 .2M 19.59...If you need to get a extensive essay, order it on our website: BestEssayCheap.com

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