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Colligative Properties & Osmotic Pressure Essay

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Below is an essay on "Colligative Properties & Osmotic Pressure" from Anti Essays, your source for research papers, essays, and term paper examples.

Chasity Thompson                   Date of Experiment: October 26, 2012

Report Submitted: October 27, 2012

Title: Colligative Properties & Osmotic Pressure

Purpose: The experiment was designed to explore the colligative properties of freezing point depression and osmotic pressure in solutions as well as define colligative properties and discuss membrane permeability and osmotic pressure.

Procedure: There were several different products used to prepare for this experiment such as small rubber bands, salt, tap water, 1/8 measuring spoon, distilled water, crushed ice, 100ml plastic beaker, digital stopwatch, test tubes, thermometer, 24 well plate, white vinegar, eggs, Karo light syrup, pint jar with lid, glass bowl, funnel, and Dialysis tubing.

Data Tables:

Time (s) | Temperature (c) Distilled Water | Temperature (c) Salt Water |
0 | 21 | 22 |
30 | 5 | 7 |
60 | 0 | 4 |
90 | -1 | 1 |
120 | -1 | 0 |
150 | -1 | 0 |
180 | -1 | 0 |
210 | 0 | 0 |
240 | 0 | 0 |
270 | 0 | 0 |
300 | 0 | 0 |
330 | 0 | 0 |

Temperature of Pure Distilled Water:

Temperature of Salt Water:

Observations of Raw Egg:
Eggshell in vinegar reaction
CaCO3+ 2H+ -> Ca+2+ H2O +CO2

Time (Hours) | Raw Egg | Raw Egg in Vinegar | Raw Egg in Syrup | Raw Egg rinsed in Tap Water |
0 | Oval shaped,white, opaque,hard shell | Oval shaped, white, opaque,Bubbles rising out of vinegar | Oval shaped, large, translucentyellow, no shell | The egg isstill soft andsmall and isa paleyellow color |
6 | | Slightly yellowish,bubbles in vinegar | Translucentyellow, largesize, no shell | |
12 | | Yellow,bubbles in vinegar, shellthinning | Slightly smaller in size, translucentyellow, no shell | |
24 | | Translucentyellow, larger insize, no shell | Noticeablysmaller in size, feels soft to thetouch, still yellow | |
Questions:

Question A: To what biological structure is the dialysis bag comparable? How is it similar? How is it different? The dialysis...

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