reactive than alkanes due to the presence of carbon-carbon bond. Objectives: * To know if potassium permanganate solution will show reactions with oil and fat samples. * To determine if the results of the performed experiment are saturated or unsaturated and alkane or alkene if the samples are mixed with potassium permanganate. Hypothesis: If the fats and oils will be added by potassium permanganate solution then we will know if it is an alkane or an alkene. Materials and Methods
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Introduction In this lab‚ caproic acid was synthesized in a multi-step process that involved the synthesis of three intermediates – diethyl n-butylmalonate‚ potassium n-butylmalonate‚ and n-butyl malonic acid respectively. An IR was used to characterize the starting material‚ n-bromobutane‚ and the first intermediate‚ diethyl n-butylmalonate; while IR and NMR were used to characterize the final product‚ caproic acid. Reactions‚ Mechanism and Theory Caproic acid a.k.a n-hexanoic acid is a carboxylic
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different inhibitors‚ which include‚ potassium cyanide‚ sodium azide‚ hydroxylamine hydrogen chloride‚ and dinitrophenol. The dependent variable would be the chlorella. The control group would be potassium cyanide‚ a common inhibitor in which the others are being compared to. The treatment group would be not adding any inhibitors to the solution. Results The resulting effects of the inhibitors on photosynthesis and respiration are as such; for potassium cyanide on respiration and photosynthesis
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Abstract The effect of temperature on the solubility product constant‚ Ksp‚ of potassium hydrogen tartrate in water was investigated in the temperature range of 285K to 318K at normal atmospheric pressure. It was found that the solubility of potassium hydrogen tartrate decreases with a decrease in temperature and consequently a smaller volume of sodium hydroxide is needed to neutralize it. The molar solubility of potassium hydrogen tartrate was calculated from the volume of sodium hydroxide used. The
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There are hydrogen-potassium ATPase and chloride-potassium pumps in the parietal cells of the mucosa of the stomach. Stomach acid is secreted in the stomach in the form of hydrogen and chloride ions. Hydrogen is pumped into the lumen of the stomach via counter transport with potassium whereas chlorine enters in the stomach via cotransport with potassium. In this way‚ acid is secreted. This acid helps in conversion of pepsinogen into pepsin
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what would be observed; and (ii) write an appropriate equation. (a) adding excess sodium sulphite solution to iodine solution (b) adding aqueous chlorine to potassium bromide solution (c) adding excess potassium iodide solution to acidified potassium permanganate solution 1 (d) adding excess iron(II) sulphate solution to acidified potassium dichromate solution (e) adding concentrated nitric acid to magnesium ribbons (f) (g) (h) (i) (j) (k) (l) (m) (n) 5. adding dilute nitric acid to zinc granules
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Aim To determine the limiting reagent between the reaction of lead (II) nitrate and potassium iodide. To determine the percent yield of lead (II) iodide. Date Started: 13/4/12. Finished: 19/4/12. Data collection and processing Measurements: * Amount of distilled water: 75.0ml ± 0.5ml. * Mass of watch glass: 31.65g ± 0.01g. * Mass of watch glass + potassium iodide: 32.45g ± 0.01g. * Mass of potassium iodide: 0.8g ± 0.02g. * Mass of watch glass + lead (II) nitrate: 32.66g ± 0.01g
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Will it Precipitate? Precipitation occurs when two aqueous (soluble solids) solutions are combined and the reaction forms an insoluble solid. When insoluble solids are formed the process is known as a precipitation. An insoluble solid is a solid that cannot dissolve unlike a soluble solid. Therefore only insoluble solids can form precipitates. In the following experiment six solutions were mixed with each other (groups of twos) in test tubes to test which reaction will result in an insoluble solid
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this lab was to use gas chromatography to determine the relative amounts of the three components of gas products from the dehydration reaction of 1- and 2-Butanol with sulfuric acid and the dehydrobromination reaction of 1- and 2-Bromobutane with potassium tert-butoxide. E1 reactions are two-step unimolecular reactions. The first step of an E1 reaction occurs when a leaving group‚ which consists of a weak base‚ leaves an organic compound‚ leaving an intermediate carbocation. In the second step‚ a
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oxygen‚ generated by the decomposition of potassium chlorate‚ will react with the glucose in a gummy bear‚ releasing a large amount of energy quickly and dramatically. Introduction: Sugar is a fuel that we use for energy. We can also use it to fuel a chemical reaction. In this reaction‚ the sugar from the gummy bear reacts with the oxygen produced from the decomposition of potassium chlorate. Purple sparks form‚ which are a result of the potassium ion (it has nothing to do with the colour
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