Dr. Eidell October 24‚ 2014 Preparation and IR Analysis of 2-chloride-2-methylbutane Line Reaction Abstract The purpose of this experiment was to react 2-methyl-2-butanol with concentrated HCl in order to form 2-chloride-2-methylbutane. The hydrogen for the HCl make the -OH from the 2-methyl-2-butanol into a good leaving group because H2O is formed. The H2O leaves and Cl- is free to bond with the carbocation creating 2-chloride-2-methylbutane. The materials needed for the lab were an Erlenmeyer
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How did the amount of Sodium Citrate‚ an anticoagulant‚ added to a Calcium Chloride solution affect the volume of the clots formed when a sodium alginate solution‚ a blood simulation‚ was introduced? Mackenzie Keesor (Fall Semester 2017-2018) Purpose The purpose of this experiment was to observe the differences in the formation of simulated blood clots when different amounts of sodium citrate‚ an anticoagulant‚ was added to the coagulation process‚ which would help gain information about the process
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Empirical and Molecular Formula | Key Concepts * Empirical Formula of a compound shows the ratio of elements present in a compound. * Molecular Formula of a compound shows how many atoms of each element are present in a molecule of the compound. * The empirical formula mass of a compound refers to the sum of the atomic masses of the elements present in the empirical formula. * The Molecular Mass (formula mass‚ formula weight or molecular weight) of a compound is a multiple of the empirical
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Abstract Literature on Van’t Hoff’s law states that water potentials and zero weight change osmolalities will be the same for potato cores placed in varying concentrations of solutes of NaCl‚ glucose‚ and sucrose. This experiment was designed to test these predictions and compare them to data gathered course wide. We found that the mean water potentials were all within 0.26 bars of each other‚ and that the zero weight change osmolalities were all within 0.035 mols of each other. This supported Van’t
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Therefore‚ Olney‚ Adamo and Ratner (1971‚ p. 294) estimate that larger numbers of adult rats after multiple MSG treatments in infancy and have consistently found that average weights of the adenohypophysis (the glandular‚ anterior lobe of the pituitary gland) are about one-half those of control animals. In addition‚ Young and Ajami (2000‚ pp. 892-900) argue that in infant retina and hypothalamus (a neural control centre at the
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You just reviewed type of carbohydrates. Glucose is a simple sugar called a monosaccharide ‚ whereas starch contains compound carbon chains and is a polysaccharide . 5. Polysaccharides are formed by a dehydration synthesis reaction between monosaccharides. What does this mean? Water molecules are removed from the bond. 6. For each of the following tests‚ please circle which substance would give a positive result: a. Benedict’s test - glucose tap water oil (lipid)) starch
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experiment was conducted using glucose and starch solution inside the dialysis tube. The starch and glucose that was put inside the dialysis tube help identify which of the two will reacted with potassium iodide inside the breaker‚ as the latter passed from the beaker into the tube‚ the glucose/starch solution’s change of color showed that the potassium iodide was small enough that it able to pass through from the solution and into the bag. After the Benedict test‚ glucose from the bag was also founded
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LAB 2: DATE: 29TH September‚ 2011. FORM CLASS: L6 3 SUBJECT: Biology TITLE: Quantitative Glucose Test AIM: To determine the amount of glucose in three unknown samples namely A‚ B and C INTRODUCTION: Biological molecules are held together by covalent bonds‚ hydrogen bonds among others bonds in various ways to produce large molecules called macromolecules. Simple organic compounds and macromolecules molecules vary in structure and can be distinguished by their functional groups. Molecules of a certain
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plausible mechanism was suggested in Time by Dr. Michael Brownlee of Albert Einstein College of Medicine in New York City (November 26‚ 1990‚ p. 52-59). Glucose is known to be chemically active and can form a temporary bond with many proteins‚ including hemoglobin. Over time‚ some of these proteins become permanently attached to the glucose and these sticky fragments aggregate to form what Brownlee calls "biological superglue". Brownlee suggests that this superglue is a "source of constant irritation"
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Saccharomyces cerevisiae. Table 3-1: Nutrients for growth of yeast (S. cerevisiae) cells. Substrate Saccharose Maltose Melibiose Glucose Ethanol Lactate Glycerol Intermediates Enzymes Invertase Maltase Melibiase Acetaldehayde > Acetyl-CoA> Oxaloacetate> Pyruvate> Glycerol-3phosphate> Dihydroxyacetonphosphate
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