Clare Chong P2 ! ! ! ! ! Chemistry Practical 4: Measuring rate of reaction Aim of experiment: To determine the rate of reaction when the concentration of I2 increases. ! ! ! Chemical equation: 2Fe3+ + 2I- --> 2Fe2+ + I2 ! ! ! Apparatus & materials: Apparatus Quantity 50ml Pipette 1 10ml Pipette 1 Pipette bulb 1 100ml beaker 2 50ml Burette 1 250ml Conical Flask 6 Timer 1 Distilled water 100ml or more 50ml Measuring
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Conductivity probe 2. Constant temperature water circulation bath 3. Stir-plate with stirring magnets 4. 20 mL vials 5. Eppendorf pipette 6. Computer with LoggerPro Procedure For the fully detailed procedure‚ please refer to the CHEM/ENCH 212 Laboratory Manual.[2] 10 mL of a provided 85/15 water/acetone mixture was taken in a vial and
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The Chemistry of Toothpaste Toothpaste is not a new thing. It has been traced back to Ancient Egypt. They used a powdered rock and vinegar‚ which created a chemical reaction that dissolves the plaque on teeth. In 1900’s people used hydrogen peroxide and baking soda or chalk‚ pulverised brisk and salt as a toothpaste. Toothpastes today‚ are mostly made up of abrasives‚ surfactants‚ a detergent‚ a thickener‚ a moisturizer‚ water‚ flavouring agents‚ coloring‚ sweeteners‚ fluoride and desensitizers
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1.0 The definition and explanation of ethical principles in the pathology laboratory Ethics is defined by moral philosophy and study of what is right‚ fair‚ just and good: about what should be done‚ not just what is most acceptable or expedient (ref). The four principles of ethics are autonomy‚ non-maleficence‚ beneficence and justice. In this report the ethical principle of non-maleficence‚ where the health care practices and obligations are to do no willful harm‚ execute no negligence or malpractice
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of the knowledge bank of individuals and then sharing that information with all of the employees within the organization proved to be one of the key components that distinguished Buckman Laboratories from its competition. However‚ in a market where knowledge management systems are more common‚ Buckman Laboratories will need to find a way to remain competitive. One way to achieve this would be to expand the function of the K’Netix system. In addition to being a knowledge sharing portal between all
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The Chemistry of Lipids Experiment #8 Objective To observe the solubility of lipids in polar and nonpolar solvents and to compare saturated and unsaturated fats in their chemical reaction with bromine. The percent fat in a food will be determined by extraction of the fat and weighing it. Introduction Lipids‚ by definition‚ are natural substances that do not mix with water but dissolve in organic solvents. There are several classes of lipids‚ including: fatty acids‚ waxes‚ triacylglycerols
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Major Chemistry questions: 1. Analyse the progress in the development and use of a named bioploymer. This anslysis should name the specific enzyme(s) used or organism used to synthesise the material and an evaluation of the use or potential use of the polymer produced related to it’s properties. Polyhydroxybutanoate (PHB) Progress Analysis: - Bacteria first used to make PHB in 1925 at Pastuer Institute in Paris. - In 1970’s adopted by Imperial Chemical Industries (ICI) – Alcaligenes
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ESSAY ROAD SAFETY Road safety continues to be one of the most serious public health and social issues in Trinidad and Tobago—it affects everyone‚ whether you drive‚ walk or cycle. The aim of road safety is to reduce the harm‚ injuries‚ death and property damage resulting from crashes of road vehicle traveling on our nation’s roads. I believe with goverment intervention‚ educational programs and law enforcement this social problem can curb the increasing levels of road accidents and fatalities
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It was period of my undergraduate study at Mumbai University‚ during which I developed an acumen towards chemistry and chemical science. The orientation before practical session increases my eagerness about chemistry to the zenith of my learning. At that moment I decided to pursue my career in chemistry and grab every opportunity where I can enhance my learning of the subject and deepen my conceptual knowledge of the subject. The sole reason for this alacrity‚ I would attribute to my undergraduate
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objective and independent manner‚ the client organization to identify management problems‚ analyze such problems‚ recommend solutions to these problems‚ and help‚ when requested‚ in the implementation of solutions. Problem Description: A company Zee Laboratories Ltd. aims to come among top three pharmaceutical companies of India by 2020. The company is not only looking at domestic business‚ but its global dream is to be a world’s major company and the company is trying to achieve its aim by pursuing a
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