The type of alcohol was found to have an affect of the rate of the reaction. Ethanol has the higher reaction rate than n-propanol‚ n-butanol‚ and iso-butanol. Exercise 1: Alcohol Dehydrogenase 4. Table for calculation of [NADH]eq‚ [NAD+]eq‚ [Ethanol]eq Keq={NADH] [Acetaldehyde] / [NAD+] [Ethanol] c=A/ ab a=6.2 mM-1cm-1 [NADH]eq [Acetaldehyde]eq [NAD+]eq [NAD+] [Ethanol] [Ethanol] Keq (mM) (mM) (mM) (mM) (mM) (mM) 1 Blank
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Department of biology Faculty of Science and Mathematics Universiti Pendidikan Sultan Idris LABORATORY REPORT SBT 1013: INTRODUCTION TO BIOTECHNOLOGY Semester 4 Sessions 2013/2014 ID NUMBER AND NAME 1. SITI NURFATINI BINTI MOHAMAD ROSLAN (E20131007560) 2.NURHAFIZAH BINTI SAMSUDDIN (E20131007584) 3.MUNIRAH BINTI HARON (E20131007556) 4.NORSYAWANI BINTI SUPIAN (E20131007577) LECTURER : CIK FATIMAH EXPERIMENT NO. : EXPERIMENT NO.1 TITLE : EXTRACTION OF DNA
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Results: Figure [ 1 ] (Temp1: Ethanol; Temp2: n-Propanol) Figure [ 2 ] (Temp1: 1-Butanol; Temp2: n-Pentane) Figure [ 3 ] (Temp1: Methanol; Temp2: n-Hexane) Chart [ 1 ] Chart [ 2 ] Chart [ 3 ] Table [ 1 ] Alcohols | Molecular Weight (g) | ∆T (°C) | Ethanol | 46.068 | 9.17 | 1-Propanol | 60.09 | 6.72 | 1-Butanol | 74.12 | 3.35 | Methanol | 32.04 | 15.615 | | | | | Calculations: 1. Calculating Molecular Weight a. Substance: Ethanol b. Formula: C2H5OH
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The equation for the reaction between an acid RCOOH and an alcohol RẬᶦ can be the same or different; at equilibrium‚ the concentrations of both reactants and products are constant. In this experiment set up‚ the reaction between ethanoic acid and ethanol to produce ethyl ethanoate and water is a reversible reaction as shown by the following equation: CH₃COOH + CH₃CH₂OH↔CH₃COOCH₂CH₃ +H₂O The Equilibrium Law states that at equilibrium the ratio [CH₃COOCH₂CH₃][H₂O]/[CH₃COOH][CH₃CH₂OH] is constant
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Buildings X Gosstroi. 1996. GOST 30494-96. Residential and public buildings. Parameters of microclimate in occupied areas. Gosstroi. 2003. SNiP 23-02-2003. Thermal performance of buildings. Gosstroi. 2003. GOST 31167-03. Methods for determining air permeability of building envelopes under natural conditions. Adopted and introduced on January 7‚ 2003 by Decree of the Gosstroi‚ N 49‚ February 6‚ 2003. Gosstroi. 2003. GOST 31168-03. Method for determining specific consumption of heat energy for heating.
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Introduction The goal of this lab is to understand the principles of chromatography by purifying alcohol using fractional distillation. Running standards with gas chromatography we were able to see and calibrate our data to find not only how much ethanol our alcohol attained but also what a mixed unknown sample contained. Chromatography is a way of being able to separate substances in solution that can help not only identify the analytes (the studied substances) but can determine their concentration
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markers are non-polar substances‚ so it can be easily dissolved by non-polar solvents. Statement of purpose We would like to know whether permanent marker ink is removable by any of the solvents we are going to use in our experiment‚ which are ethanol‚ water‚ acetic acid‚ and soap water. We would also like to know whether the pH scale of a solvent or whether they are polar or non-polar substances can affect the result of
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Experiment C: Identification and Separation of Dyes by TLC Pre-lab Properties: Ethyl acetate‚ ethanol‚ silica‚ azobenzene‚ azulene‚ 4-(p-nitrophenylazo) resorcinol‚ methyl red‚ bromocresol green (solubilities in water and ethanol) Purpose: To identify compounds from an unknown mixture using TLC Up to 100% of missed points can be recovered from this lab Watch the video: http://www.youtube.com/watch?v=e99nsCAsJrw (MIT) TLC plates are near the main hood DO NOT BREAK CAPILLARY TUBES Keep spots small
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are overlooked in the discussion of biofuel production‚ which could offset the main obstacles and concerns. The common liquid biofuels which are made by the fermentation of plant and organic matter are ethanol‚ butanol‚ octanol‚ and octane. Corn is the most common crop used to produce ethanol. There are several other field crops commonly used. It has been thought that in order to collect enough plant biomass‚ we need to grow and harvest crops. Although this has opened the opportunity for more profits
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enzyme?1KU iii. Give another example of an enzyme and its use.1PS 3. In the manufacture of malt vinegar‚ starch reacts with water to produceglucose. Glucose is converted to carbon dioxide and ethanol using an enzyme. Ethanol is oxidised‚ by bacteria‚ producing malt vinegar. (a) Use the above information to complete the flow chart. 2PS (b) The equation for one of the processes is: C6H12O6 ® C2H50H + CO2 Balance this equation
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