In conclusion to the distillation lab‚ I think our data shows that our experiment went well. Our graph resembles the graph in the lab handout (graphs attached to lab notebook sheets). The fractional distillation shows the sharp slope between when the cyclohexane burns off and mostly only toluene remains. The microscale graph seems to be accurate because it shows the large jump where the cyclohexane is burned off. To view the apparatuses used in the experiment look at the attached pictures. To
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Conclusion and Evaluation Conclusion In our test we put six different sliced up potatoes chips in solutions. The solution was different concentration of salt and water‚ one was 5% sugar‚ one 10%‚ one 15%‚ one 20% and one 30% salt concentration. We measured the mass of the potatoes chip before and after we put it into the solution. To keep the experiment fair we only changed one variable which was the salt concentration. The results that we got showed the chip went up in mass for 0%
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In general‚ games played at home provide a wholesome activity for the entire family. Many people find that the time spent playing games at home contributes to feelings of closeness among family members‚ thus giving them time to relax together and promote familial ties. Three types of games played at home that have remained popular over the years are card games‚ board games‚ and outdoor or backyard games. Firstly‚ there are card games which have remained popular in many homes. Bridge‚ canasta
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3.1 There are different methods for opening cases. To learn how to open a particular computer case‚ consult the user manual or manufacturer’s website. Most computer cases are opened in one of the following ways: The computer case cover can be removed as one piece. The top and side panels of the case can be removed. The top of the case may need to be removed before the side panels can be removed. 3.2 These are the power supply installation steps: Insert the power supply into the case. Align
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Barry Allahyar Dr. Dodd CHEM 2122 2010-09-16 Experiment 19: Fischer Esterification‚ Conclusion The objective in this experiment was to efficiently perform an Fischer esterification of 1-butanol and acetic acid to form water and n-butyl acetate‚ and to confirm the esterification using IR spectroscopy analysis. It was found that 0.734 grams of n-butyl acetate was formed with a percent yield of 61%. The product was confirmed using IR spectroscopy and boiling point confirmation. The reaction mechanism
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DANGEROUS FUMES Science Fair! Classes: * Chemistry * Biology * Physics Group members: * Claudia Castillo * Karla Murillo * Laurel Vindel 10-B INDEX Introduction…………………………………...…..pg.3 Problem & Research………………….…….…..pg.4 Hypothesis………………………………….…….…pg.6 Materials…………………………………….……….pg.7 Procedure…………………………………….……..pg.8 Experiment………………………………………….pg.9 Analysis………………………………………………pg.10 Conclusion…………………………………………
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Cell Phones are dangerous Cell phones have consistently evolved both in function and design ever since Dr.Martin Cooper first invented the wireless handset in 1973. In those days‚ cell phones were merely used to make calls and store numbers. Contemporarily‚ the cell phone has evolved into a multifunction device with heterogeneous functions added including video camera‚ text messenger and so forth. As a result‚ this has changed in the way people use the cell phone. Despite all the obvious benefits
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Sales of video games have more than quadrupled from 1995-2008‚ while the arrest rate for juvenile murders fell 71.9% and the arrest rate for all juvenile violent crimes declined 49.3% in this same period. The 2008 study Grand Theft Childhood reported that 60% of middle school boys that played at least one Mature-rated game hit or beat up someone‚ compared to 39% of boys that did not play Mature-rated games. California passed a law in 2005 that would have required violent video games to include
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doctor visits still necessary? m. People should learn how to move from a strenuous to stable exercise routine. n. People should maintain healthy diets. o. People should learn how to reward themselves for staying on track. V. Conclusion Obesity Obesity as we know it is a major health issue among children and adults today in the United States. It has been a challenging fight for many years‚ but there is a way to knock out obesity. We all can win‚ but first we have to get
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In conclusion‚ after conducting the lab‚ the emergent properties of water were tested and proved. These trials and experiments were able to verify the adhesion‚ cohesion‚ polarity‚ temperature stabilization‚ solvency‚ and density changes exhibited by water. During the glass and wax paper lab‚ we observed the adhesive properties of water. When a droplet of water touched the glass‚ it dispersed immediately. The droplet placed on the wax paper remained intact and in droplet form. Also‚ when the
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