+ CO2 (g) (Imagination Toledo‚ 2017) Once the egg has been separated from its shell‚ the only thing keeping the liquid goo inside is the thin‚ flexible‚ semipermeable membrane. What would happen to naked eggs if they were submerged in different solutions? Before diving into the experiment it is helpful to understand a few terms we will use along the way. Osmosis is the movement of a solvent (as water) through a semipermeable
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I. PURPOSE OF EXPERIMENT The purpose of this Lab is to use spectroscopy create graph to determine the concentration of dye in a sport drink‚ by creating series of standard dilutions of an FD&C Blue 1 Stock solution and measuring the percent transmittance of each dilutions. Results in each dilutions will be use‚ to determine the linear function among various functions (T‚ T%‚ log T‚ - logT) For a Beer’s law calibration curve. The produce provides a model for guided-inquiry analysis of the concentration
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In test tube 1 with a 0% salt concentration‚ the potato core length after is 44 mm‚ the change in potato core length is 4 mm so the potato is hypertonic to that solution. In test tube 2 with a 0.625% salt concentration‚ the potato core length after is 42 mm‚ the change in potato length is 2 mm so the potato is hypertonic to that solution. In test tube 3 with a 1.25% salt concentration‚ the potato core length after is 39 mm‚ the change in potato length is -1 mm so the potato is
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Osmosis Experiment Dennis M. Feliciano Grand Canyon University BIO100L Biology Concepts Lab June 25‚ 2011 Osmosis Experiment Materials Grapes (unblemished) Raisins (larger is better) Water Salt Four small containers (i.e.‚ drinking cups or clear glasses) A metric ruler Methods and Procedure Place 1 cup (236 ml) of water in each of the 4 containers. In 2 of the containers‚ add 1 tablespoon (14.8 ml) of table salt and mix well. Measure the length and width of a raisin and place
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While a molar solution of acetic acid was prepared by the following computation: Density of acetic acid = 1.05; Purity of acetic acid = 99.9%; and Molarity of acetic acid = (Density x Purity x 1‚000) /(Molecular weight x 100) i.e.‚ M = (1.05x99.9 x 1‚000) / (99.9 x
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molecules diffuse across the cell membrane from an area of higher solute concentration to an area of lower solute concentration. There are three relative concentrations of solutions. Hypertonic solutions yield a higher concentration than that of the cell.Hypotonic solutions have a lower concentration and isotonic solution has an equal concentration. Method: The eggs were soaked in vinegar for 48 hours. At the end of this period the eggs are dried off and mass is recorded. The eggs are then
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Oumou Fofana Period: 1 Mrs. Furlong December 19‚ 2012 Gummy Bear Lab Question- If the percent of the concentration of a solution varies‚ will the amount of water gained or lost vary in a linear fashion? Hypothesis- If the concentration of a solution varies‚ then the amount of water lost or gain will not vary in a linear fashion Prediction- I think that the amount of water lost will not vary in a linear fashion. I think the water will vary like one gummy bear would lose 4 grams while
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chemical equations contain important information about the amount of reactants required to produce given products. These amounts are represented by ____________________. Coefficients Solutions (10 marks) 5. A ____________________ is defined as a mixture of two or more substances that are evenly distributed. Solution 6. The shape of the water molecule‚ combined
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cautious when handing the precipitate as the solid separated into smaller sup unit which increased the surface area enabling the photodecomposition of the precipitate to occur more dramatically. We also added our precipitating agent to the supernatant solution too quickly‚ making all the chlorine unable to bond with the Ag+ as other‚ smaller ions co-precipitate instead. The precipitate may not have undergone a complete reaction as our test for more precipitate was not as thorough as it could have
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Colorado Northwestern Community College Science of Biology Mrs. Farrow Lab 3 – Slime Time Submitted by Chase Kenemer 22 February 2015 Abstract Polar solvents dissolve‚ or pick-up‚ polar substances and non-polar solvents dissolve‚ or pick-up‚ non-polar substances. In the conducted experiment‚ the polarity of molecules and their properties are explored. The results of using two solvents on both polar and non-polar inks‚ further verify this to be true. The student conducted the experiment
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