Determination of Ascorbic Acid in Vitamin C Tablets Done by: lora ID #: Date:12/3/2011 Objectives: The aim of this experiment is to determine the weight of ascorbic acid in three vitamin C tablets by titrating it directly with KBrO3‚ then back titration by Na2S2O3. Introduction: Vitamin C is a weak acid and a water soluble substance and it is often called ascorbic acid. It is useful for many biological activities and main functions such as: it is used to provide reducing equivalents for biochemical
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needs a daily intake of Vitamin C to stay healthy; therefore‚ one should be aware of what fruits he/she should ingest daily or more days to obtain stronger stamina and the abundance of antioxidants in the body to reverse oxidation. Vitamin C or L-ascorbic acid is essential for normal growth of humans and it helps in the repair and reconstruction of body tissues lost over time. It is an antioxidant that blocks the damage caused by free radicals. People who take Vitamin C daily tend to build up a great
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c++ 1. (10 points) Consider the usual algorithm to convert a fully parenthesized infix expression to a postfix expression. Suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: | | | + | | ( | bottom |___*___| Now‚ suppose that you read and process the 11th symbol of the input. Draw the stack for the case where the 11th symbol is:
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University of Phoenix Material Ethical Dilemma Worksheet Incident Review |What is the ethical issue or problem? Identify the issue succinctly. | |The ethical issue that is presented is the officers know that the husband was driving while intoxicated; they know that he has | |lied‚ and they know based off of the 911 call that the wife was abused. The law states that nothing can be done because nothing | |was observed
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Research Question: How the amount of vitamin C in fruit juices affects its freshness and till what extent is the information provided on the pack by manufacturers is reliable? Background Information: Hypothesis: -fresh juices have more vitamin C than long-life -juice that is ‘not from concentrate’ is best in terms of vitamin content -if heat destroys vitamin C then heat-treated long-life juices will have lower concentrations -if heat destroys vitamin C then boiled fruit juice will have lower
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A Worksheet and Essay Sheila Marzean ETH/125 March 8‚ 2013 Kimberlee Moravick-Cheng Throughout history women were viewed only as Evil and temptation. Roman law even described women as children and inferior to men. And example is Pandora‚ from Greek mythology‚ who opened that forbidden box which brought plagues to mankind. In early Christian theology St. Jerome in the 4th century was quoted as saying "woman is the gate of the devil‚ a path of wickedness‚ the sting of the serpent‚ in a word
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Analysis of Commercial Vitamin C Tablets Objective To employ titration technique to determine the content of vitamin C in commercial tablets using volumetric analysis and compare it with the manufacturers’ specifications. Introduction Deficiency of essential antioxidant Vitamin C in human will lead to scurvy. In this experiment‚ the vitamin C content of commercial tablets is determined and then compared with the manufacturers’ specifications. Vitamin C‚ ascorbic acid C6H8O6‚ reacts with
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University of Phoenix Material Appendix C Models of Abnormality Psychologists use several different models to explain abnormal behavior. These different models have created shifts in values and beliefs as well as improvements in clinical research. These differences in ideas mean that the different models are sometimes in conflict with one another. People who follow one model often point out where another model fails in its interpretations‚ investigations‚ and treatment methods. Read the brief
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Hepatitis C is a liver disease that is caused by hepatitis C virus. The virus enters into the liver cell‚ use the cell’s genetic to make copies of itself which then affects more cells. Causes Hepatitis C is usually transmitted through blood to blood contacts. It can be transmitted by sharing needles when injecting‚ toothbrushes and razors‚ tattoo or body piercing with equipment that has not been properly sterilized. It can also be sexually transmitted. It is not passed on by everyday contact
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object; and c) Examination of oral-facial structures for determination of injury‚ possible malpractice or insurance fraud. Data to be collected for forensic dentistry include a) Bite mark on victim’s body or objects; b) Postmortem odontogram; c) Shape‚ colour and arrangement of teeth; and d) Unique changes due to dental surgery or accidents. On-line studying Forensic dentistry http://www.forensicdentistryonline.org/forensichomepage.htm Lesson 4 Forensic Dentistry Worksheet 4.1 Making a
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