undergoes crenation of the cell membrane‚ when it is placed in a solution with a HIGH concentration of solute. What type of solution causes crenation? _Hypertonic_____ 14. An animal cell undergoes cytolysis‚ or stretching of the cell membrane‚ when it is placed in a solution with a very LOW concentration of solute. What type of solution causes cytolysis? _Hypotonic_____ Answer the following questions about isotonic Solutions 15. The concentration of the solutes inside the cell is _equal_____
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the shell discinigrates it will become rubbery from the acetic acid‚ at this point the egg could very well bounce. | | Hypothesis: The hypothesis made for this experiment would be that the egg will grow in width after sitting in each solution for a certain length of time. Materials: To do this experiment‚
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This is because as the solution becomes more dilute‚ the product [H3O+][Ac–] decreases more rapidly than does the [HAc] term. At the same time the concentration of H2O becomes greater‚ but because it is so large to start with (about 55.5M)‚ any effect this might have is negligible
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ENGINEERING July 26‚ 2012 ------------------------------------------------- ABSTRACT ------------------------------------------------- Before proceeding to test the next solution‚ we must first clean the cuvette‚ using similar steps earlier. First‚ we rinse with water‚ then with the solution‚ and then we fill it up and test. We tested for the wavelength standard 5 at which there was maximum absorption. At this wavelength‚ we tested the absorbance of all the standards. Table
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meeting to identify the problem and its possible solutions. During the discussions Charmaine and Aubery realized that the problem was not thier work schedule but the availability of staff for each assignment and the work load for that week. Each person now understood the real issues. John realized that all concerned was affected by the problem therefore he asked then to state their concerns and after much deliberation three plausible solutions listed. a. during peek time allow for persons
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a. Find a suitable solvent for the recrystallization; b. Dissolve the impure solid in a minimum volume of hot solvent; c. Remove any insoluble impurities by filtration; d. Slowly cool the hot solution to crystallize the desired compound from the solution; e. Filter the solution to isolate the purified solid compound. Types of Things Which Can/Cannot Be Purified in This Manner Recrystallization can only be used on solid compounds that have a significantly different solubility
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see how they handle their employees. Solutions – I will look to see if any solutions exist for Wal-mart in other to avoid any more law suits. I will also look to see what the experts are saying about the Wal-mart cases especially the media outlets. Reflection- • Literature review- A breakdown of all the material analyzed on Wal-mart • Analysis- A breakdown of the problems within the company and how they are dealing with them Conclusion- • Solutions- Some communication that the company could
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sugar solutions. Before we actually soak them‚ we will need to know the initial mass of the potato cores. After soaking‚ we will need to know the mass of the final core. We will use the data we collect to find the percent change in mass of the cores % Change in mass = (final mass – initial mass) ÷ initial mass * 100. We will also have to share the class data and use all of the data to construct a graph that will compare the percent change in mass to the concentration of the sugar solution. Our
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through the examination of red blood cells (sheep)‚ plant cells (elodea)‚ and active transport in yeast. Under the microscope‚ we can determine the effects on plant and animal cells exposed to hypotonic‚ hypertonic‚ and isotonic sodium chloride solutions. Plant cells have a cell wall; however‚ animal cells do not. This is examined as a major difference between the two; therefore‚ under the microscope both cells appear much unique from one another. The animal cells examined appear as empty circles
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beetroot decreased. This happened because water moved from the inside of the beetroot‚ where there was a high water potential into the sugar solution‚ which had a lower water potential. In the other four beakers where the concentration of sugar solution was less‚ the mass of the beetroot increased. This happened because water moved from the dilute sugar solution where there was a high water potential‚ into the beetroot. The percentage increase in the mass of beetroot increased as the concentration of
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