steps of the citric acid cycle. Differentiate between citric acid cycle and glyoxylate cycle. Relate citric acid cycle as energy source. The Central Role of the Citric Acid Cycle 3 processes play central roles in aerobic metabolism. The citric acid cycle. Electron transport . Oxidative phosphorylation. Metabolism consists of: Catabolism: the oxidative breakdown of nutrients. Anabolism: the reductive synthesis of biomolecules. • The citric acid cycle is amphibolic
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EXPERIMENT 2: Recrystallization and Melting Point Recrystallization (or Crystallization) is a technique used to purify solids. This procedure relies on the fact that solubility increases as temperature increases (you can dissolve more sugar in hot water than in cold water). As a hot‚ saturated solution cools‚ it becomes supersaturated and the solute precipitates (crystallizes) out. In a recrystallization procedure‚ an impure (crude) solid is dissolved in a hot solvent. As this solution is cooled
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October 9‚ 2013 Partner(s): Acetylsalicylic Acid Synthesis Theory. This experiment was carried out to see how the hydroxyl group on the benzene ring in salicylic acid reacts with acetic anhydride to form an ester‚ and to make aspirin. Synthesis of Acetylsalicylic Acid occurs by protonation of carbonyl (C=O) group‚ and a nucleophilic attack of OH on the acetic anhydride. The ferric chloride test and melting point were used to test the purity of the results. A hypothesized recovery rater of above
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2014 Lab Schedule: 1:00-4:00 MW Date Submitted: September 19‚ 2014 Group No.: 4 Rating: Exercise No. 8 CARBOXYLIC ACIDS AND ACID DERIVATIVES I. OBJECTIVES: • To investigate the physical and chemical properties of Carboxylic acid and its derivatives • To understand the reactions of carboxylic compounds and derivatives. II. EXPERIMENTAL RESULTS Solubility of Carboxylic acids in 10% NaHCO¬3 Acetic acid - formation
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E XPE RIME NT 4 . 5 Reactions of acids Aim To investigate and compare some reactions of a strong acid‚ hydrochloric acid‚ and a weak acid‚ ethanoic acid (common name‚ acetic acid) Equipment Dropper bottles containing: • 0.1 M hydrochloric acid‚ HCl • 0.1 M ethanoic acid (acetic acid)‚ CH3COOH • 0.1 M sodium hydroxide‚ NaOH • 1 M hydrochloric acid‚ HCl • 1 M ethanoic acid (acetic acid)‚ CH3COOH • universal indicator solution • limewater (calcium hydroxide‚ Ca(OH)2) Marble chips (calcium carbonate
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Plop Plop Fizz Fizz Expt # 1 I. INTRODUCTION: In this lab I will try to see in what an Alka-Seltzer tablet will dissolve fastest in. I need to figure out if the Alka-Seltzer tablet will dissolve slowest or fastest in tap water‚ warm water‚ cold water‚ salt water‚ or acidic water. In this lab I wall develop and test a hypothesis‚ analyze data and draw a conclusion. In this experiment I will find out that in a type of water the Alka-Seltzer will dissolve faster and slower. Alka-Seltzer
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also known as acetylsalicylic acid. C9H8O4 is the chemical format for Asprin. The chemical structure of aspirin: Aspirin is anti-inflammatory. Aspirin is prepared by chemical synthesis from salicylic acid‚ by acetylation with acetic anhydride. The fact that it is an acid allows us to quantify the amount of aspirin in a solution. We would do this by by using an acid-base titration. Sodium hydroxide (NaOH) will be used In this experiment as the base. Preparation • Lab coats should be fully fastened
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Standard Reduction Potentials‚ Equilibrium Constants and Investigating a Lead-Acid Electrolytic Cell Purpose Experimental Methods All procedures were followed according to the lab manual (experiment 10 – Electrochemistry Laboratory). Data and Observations Part A: Grams of FeSO4 used: 0.759 Voltage during voltmeter and battery check: 9.23V Table 1. Electrochemical Cells Data Part B: Table 2. Lead-Acid Battery Results and Calculations In order to make 5ml of 1M FeSO4(aq)
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Citric acid cycle From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search [pic] [pic] Overview of the citric acid cycle The citric acid cycle — also known as the tricarboxylic acid cycle (TCA cycle)‚ the Krebs cycle‚ or the Szent-Györgyi-Krebs cycle‚ [1][2] — is a series of enzyme-catalysed chemical reactions‚ which is of central importance in all living cells that use oxygen as part of cellular respiration. In eukaryotic cells‚ the citric acid cycle occurs in the matrix of the mitochondrion
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of Acetylsalicylic Acid Abstract Acetylsalicylic acid was prepared using salicylic acid and acetic anhydride. As a result‚ a white‚ powdery substance was formed (0.1931g‚ percent yield 91.30%) and was defined by melting point (124.5 – 134.5°C) and observation of color change with ferric chloride. Introduction Acetylsalicylic acid (aspirin) is one of the most popular analgesic drugs on the market today. It also acts as an antipyretic and anti-inflammatory drug. Salicylic acid itself was too acidic
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