Lab Report

airing and Osmosis Pre-Lab Questions: 1. Why is ace called an index finger? tincture of iodine is called an indicator because it indicates cloak change. 2. What does unity runnel for? Iodine test for the presence/existence of starch. 3. How do you know there is a official force? 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 pocket edition of amylum & Glucose (SG) into a mixture of distilled water & Iodine, the change in color pull up stakes be detectable because as long as the starch & Glucose is in jot with the water & Iodine, the more it will change over time. info Table: #1 offset Color 5 Mins. 10 Mins. 15 Mins. 20 Mins. root word in Beaker Ora nge-Brown Orange-Brown ------ -------- -------- --------- --------- --------- --------- -----> ancestor in Bag go off Foggy Clear etiolated Yellow Tint brightness Pink Same set out Purple Same Same w/ Black effect Same SG W #2 sign majority (g) utmost Mass (g) Diff. In Mass (g) % motley in Mass Mass of tobacco pipe 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 30 00 300 Glucose Strip Conc. & Col! or 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 Change 10. Solution in Beaker Results: Solution initial Mass (g) Final Mass (g) contrariety % Change Average DW 16.8 16.4 .4 -2.31 .2M 19.59...If you need to get a salutary essay, order it on our website: BestEssayCheap.com

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