Column Chromatography ________________________________________________ You have already performed two chromatography experiments: gas chromatography and thin layer chromatography. All chromatography experiments involve passing a mixture of analytes through a system that includes a mobile phase and a stationary phase. The partitioning of the analytes between these two phases determines the rate at which they pass through the system‚ and (in theory) allows them to be separated from one another. Column
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respiration (Evert RF‚ Eichhorn SE & Perry JB 2013). This experiment focuses on the enzyme catalase. Catalase breaks down hydrogen peroxide into water and oxygen. Hydrogen peroxide is a waste product of cell metabolism that can be toxic to the cell (Evert RF‚ Eichhorn SE & Perry JB 2013). The
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Title: An investigation into the impact of group pressure on an individual’s estimate of the amount of beads in a pot (ginger granules in a jar). IV = Group/Individual DV = Individual beads estimate Abstract This experiment investigated the impact of group pressure on the individual. The hypothesis is that group pressure does indeed impact on the individual and in this case the individual’s estimate of the number of ginger granules in a jar. Participants were asked to make a judgement of
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Abstract An experiment is conducted to prepare soap and thus‚ to compare the properties of the prepared soap and synthetic detergents which are precipitation‚ emulsification and cleaning abilities. It can be concluded that soap has the properties if emulsifying oil whereas detergent has not. The abilities of forming precipitates can be seen clearly in soap solution whereas detergent forms no precipitates at all. The experiment is completed and successfully conducted. Introduction
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Hawthorne Experiment. Advantages: During the experiment the performance of the group has increased (Not because of improving conditions‚ but because of the communication and collaboration) Disadvantages: there were personnel changes‚ that is the workers hostile watching the situation changed for those who would like to work in such conditions (that is attended only those workers who are more willing‚ not all workers) Conclusion: This experiment showed that workers are willing to actively
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Buchenwald was a concentration camp during the holocaust. It was not cool. People died. Yup. Sucks doesn’t it? MmmmHmmm. Well I’m bored. Got to finish this paper though. So I’ll keep writing. About Buchenwald. And stuff relating to……Buchenwald. There was some stuff that happened at Buchenwald. But I can’t remember anything about it. I did some research and now I have some info on the topic. With all of its outercamps‚ Buchenwald was one of the biggest concentration camps inside the German
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George Elton Mayo: The Hawthorne Experiment George Elton Mayo: The Hawthorne Experiment Purpose The purpose of this paper is to explore the management theory of George Elton Mayo and how it applies to the current status of management in business today. This will include the examination of the behavioral aspect of management by studying Elton Mayo ’s Hawthorne Experiment and its conclusions. Introduction George Elton Mayo was born the second child of an
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extremes. This experiment involves the preparation of a Mn (III) complex of actylacetone (also named 2‚4-pentanedione) which is a useful starting material for the preparation of other Mn (III) compounds. Manganese (III) complexes are relatively stable and can be prepared directly by reactions of the hydrous manganese (III) oxide or by oxidation of the hydrous manganese (II) oxide with air or an oxidizing agent.(Pass‚1997) In aqueous solution Mn(III) is readily hydrolyzed Mn3+ + 2 H2O →Mn(OH)2 + H+ and
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The effect of enzyme concentration‚ substrate concentration‚ pH‚ and temperature on the enzyme catalase. Introduction: Enzymes are biological catalysts; proteins and RNA. They are required for most biological reactions and they are highly specific. Each enzyme has an active site. The active site is the spot on the enzyme where a substrate fits in. Substrates binds with enzymes through the active site. Enzymes‚ being highly specific‚ only fit with one certain substrate. Enzymes and substrates
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Evaluation I think my evidence is reliable because the anomalies in my first results were the same as the ones in my second results. The graph made a straight line with a gradient that gets deeper that is what I predicted. To improve my experiment to make it even more reliable I could use a more accurate ammeter and a larger range of results as well as more checks. The ammeter I use could be more than two decimal places‚ and I could get a lot of results and put them on one graph to
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