On what I have seen‚ the first experiment showed chemical reaction to be more specific‚ combustion. In the experiment the Potassium permanganate (KmnO4) was used as the oxidant‚ and obviously oil as the fuel. As the two were mixed they needed to release energy in form of heat‚ that’s where combustion occurs. I learn that Combustion is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species. The release of
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Title: Experiment 17‚ Reaction kinetics – Determination of the activation energy of the reaction between oxalic acid and potassium permanganate. Objective: To determine the activation energy of the reaction between oxalic acid and potassium permanganate. Introduction: Chemical kinetics is the study of chemical reaction rates‚ how reaction rates are controlled and the pathway or mechanism by which a reaction proceeds from its reactants to its products. Reaction rates vary from the very fast‚ which
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The Kinetic Theory of Matter Why the Temperature of a Gas Increases when it is Compressed Distribution of Molecular Speeds Thermal Physics Chapters Index Return to top of page synthesis of potassium permanganate (KMnO4)‚ a common chemical. Occasionally‚ potassium manganate and potassium permanganate are confused‚ but they are different compounds with distinctly different properties. Contents [hide] 1 Structure 2 Synthesis 3 Reactions 4 Literature cited 5 Other references 6 External
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Potassium is a major electrolyte that helps the body maintain fluid balance and action potentials. It does this by moving in and out of the body’s cells with the help of the sodium-potassium pump‚ an active transport system than moves potassium against its concentration gradient. This is what gives cells their membrane potential. In acidosis‚ there is a high concentration of hydrogen ions in the extracellular fluid‚ this promotes an influx of Hydrogen ions into the cells. As the electro positive
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soluble in NH4OH 2. Chromyl chloride test: Salt + solid K2Cr2O7 + 2-3 drops conc H2SO4 = orange / red fumes of chromyl chloride 6 1. Vapours + NaOH (aq) = yellow solution 2. Yellow solution + acetic acid + lead acetate sol = yellow ppt 2 3 4 5 6 Potassium dichromate Solution Na2[Fe(CN)5NO] Pb(CH3COO)2 CrO2Cl2 Anions Test mentioned next to group is the preliminary test; the ones mentioned under an anion are confirmatory tests for it. Group I (dilute H2SO4 group) – CO32(carbonate)‚ SO32- (sulphite)
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Alkali Metals Introduction Alkali metals refer to six elements belonging to the Group IA of the long form of the Modern Periodic Table‚ viz. Lithium (Li)‚ Sodium (Na)‚ Potassium (K)‚ Rubidium (Rb)‚ Cesium (Cs) and Francium (Fr). Fr is a radioactive element. These elements are called so because they form strongly alkaline oxides and hydroxides. Electronic Configuration of Alkali Metals Each of the alkali metals has one electron in their outermost (valence) shell‚ which is just outside an inert
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phosphate are the two products that are insoluble in water. In the three of the four reactions a cloudy white or yellow formed. This indicated the formation of a precipitate‚ caused by the generally insoluble phosphate anion. Potassium chloride‚ Iron nitrate‚ and potassium sulfate where the products which were soluble in water. With these products there was no evidence of a precipitate forming. 2. Based on the results from reactions A and B for the first group of reactions‚ the generally insoluble
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Chloride Potassium Thiocyanate Sodium Sulfate - Stayed white in color - Turned cloudy in color - Precipitation formed in solution - Stayed white in color Potassium Chloride - Turned cloudy in color - Precipitation formed in solution - Stayed white in color - Stayed white in color Iron (III) Nitrate - Stayed orange in color - Stayed orange in color - Changed color from orange to black Chemical Changes of Test Solutions Test Solution Silver Nitrate Barium Chloride Potassium Thiocyanate
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Effects of oligomycin‚ ouabain‚ p-Aminohippurate‚ sodium concentrations and potassium concentrations on active transport of the Malpighian tubules of Acheta domesticus Key Words: Malpighian tubules‚ Acheta domesticus‚ PAH‚ ouabain‚ oligomycin‚ Na+‚ K+ Silvia Kilic 100488712 BIOL 3040U CRN: 70041 Thursday‚ March 5th‚ 2015. Results The Malpighian tubules were incubated in the solutions for 15 minutes before being observed. The transport of CPR into the lumen was highest when there was no addition
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hours‚ as needed for pain. The morning electrolytes reveal serum potassium of 3.2 mEq/L. (Learning Objective 4) a. What are possible causes of a low potassium level? a. The possible causes of the low potassium may be related to the fact that she is NPO‚ the suction may be another cause‚ in addition to the furosemide. b. What action should the nurse take in relation to the serum potassium level? a. The nurse should administer potassium to the patient to balance her levels. c. What clinical manifestations
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