George Wallace The 1960’s were characterized as an era full of turmoil. During this era‚ one of the most controversial topics was the fight over civil rights. One of the key political figures against civil rights movement and pro-segregation was George Wallace. Wallace represented the racist southern view. Many Americans were segregationist‚ but Wallace was adamant about the topic. Many established political figures were assassinated‚ during the 1960’s. Martin Luther King‚ JFK‚ and RFK
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unknown solution C ABSTRACT Liquid C and solid C were both extracted from unknown solution by first using chemically active liquid-liquid extract‚ followed by vacuum filtration. Liquid C and solid C were then purified with the use of simple distillation and recrystallization respectively. Through the process of recrystallization‚ the percentage purity of solid C was found to be 6.01%. The melting point range of purified solid C was 117.0 – 119.0C while the boiling point of liquid C was found to
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: THE VITAMIN C CONTENT OF FRUIT JUICES AND TABLETS DATE OF EXPERIMENT : 1ST AUGUST 2013 DATE OF SUBMISSION : 27TH AUGUST 2013 LECTURER : PUAN ZAKIAH BT. ZAKARIA OBJECTIVE * To determine the vitamin C content in fresh fruit juice * To determine the vitamin C content in commercial fruit juice * To determine the vitamin C content in tablet
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Investigating Vitamin C Background Vitamin C is found in green vegetables‚ fruits‚ and potatoes. It is essential for a healthy diet. The chemical name for vitamin C is ascorbic acid. Ascorbic acid is a good reducing agent and therefore it is easily oxidised. Methods for the detection of vitamin C involve titrating it against a solution of an oxidising agent. Where to start There are several oxidising agents that can be used and a commonly used one is 2‚6-dichlorophenol-indophenol or DCPIP
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C++ Without Fear Second Edition This page intentionally left blank C++ Without Fear Second Edition A Beginner’s Guide That Makes You Feel Smart Brian Overland Upper Saddle River‚ NJ • Boston • Indianapolis • San Francisco New York • Toronto • Montreal • London • Munich • Paris • Madrid Capetown • Sydney • Tokyo • Singapore • Mexico City Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations
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Compare and contrast Herzberg’s Two-Factor theory with Vroom’s Expectancy theory. Is it possible to combine these two theories? How and why should‚ or shouldn’t it be so? Provide examples to support. Herzberg’s Two-Factor theory focuses on the internal needs of employees. This theory suggests that job satisfaction and job dissatisfaction are not mere opposite of each other and controlled by a different set of factors. While job dissatisfaction is believed to be associated directly with the
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Hepatitis C is an infectious disease caused by the hepatitis C virus (HCV) that primarily affects the liver. There are different types of hepatitis viruses‚ including hepatitis A‚ B‚ D‚ and E. Among the different viruses‚ hepatitis C is the most serious because it can be chronic and cause severe liver damage. During the initial infection people often have mild or no symptoms. Occasionally a fever‚ dark urine‚ abdominal pain‚ and yellow tinged skin is there. Early on chronic infection typically has
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IB Biology Lab – Vitamin C content of food Aim: To compare the vitamin C content of different fruits using the decolourisation of DCPIP from blue to clear as the indicator. • You first need to estimate the volume of a known concentration of vitamin C solution required to decolourise 2 cm3 of DCPIP solution. • Then you need to determine the volume of fruit juice that decolourises 2 cm3 of DCPIP solution. This gives an estimate of the concentration of vitamin C in fruit juice. • This
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Compatibility Wizard window will appear. Click on Next. 2.6 In the following window‚ choose ‘I want to locate the program manually’ and click on Next. 2.7 In the window that appears (see below) either browse to find devcpp or type the following path: C:\unisa\devcpp\devcpp.exe. Then click on Next. 2.8 Choose Microsoft Windows XP (Service Pack 2) in the window that follows and click on Next: 2.9 Leave the display settings as is in the following window‚ and click on Next: 2.10 Click the checkbox
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Cytochrome-C Comparison Brief Description: The molecular clock refers to mutations in DNA nucleotide sequence of genes occurring at a constant rate over time. The greater the difference in nucleotide sequence between two individuals of different species‚ the greater the amount of time has passed since they diverged from a common ancestor. The molecular clock helps to provide evidence to support conclusions previously based on comparative morphology and fossil records. Hypothesis: One hypothesis
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