INTRODUCTION TO CHEMICAL BONDS CHEMICAL BOND Definition: A chemical bond is defined as a force that acts between two or more atoms to hold them together as a stable molecule. Main types of bond: 1. Ionic or electrovalent bond‚ 2. Covalent bond‚ 3. Coordinate covalent bond Forth type of bond: Metallic bond: The type of bonding which holds the atoms together in metal crystal. Valence electron: The electrons in the outer most energy level in an atom that takes part in chemical bonding
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PTU/BOS/Ch/101/30-12-2004/ BATCH 2004 Punjab Technical University‚ Jalandhar B.Tech. Chemical Engg. Scheme of Syllabi ( 3rd Semester ) Sr. no 1 2 3 4 5 6 7 8 9 Course Code Ch-201 Ch-203 Ch-205 Ch-207 Ch-209 Ch-211 Ch-213 Ch-215 Ch-217 Course Title Mechanical Operations Numerical Methods in Chemical Engineering Organic & Biotechnology Chemical Process Calculations Fluid Flow Strength of Materials Strength of Materials Lab. Fluid Flow Lab. Numerical Methods in Chem. Engg. Lab. L 3 3
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2 Chemical warfare What is Chemical Warfare: To understand chemical warfare you must first understand what a chemical agent is. A United Nations report from 1969 defines chemical warfare agents as " ... chemical substances‚ whether gaseous‚ liquid or solid‚ which might be employed because of their direct toxic effects on man‚ animals and plants ... ". This means basically that any chemical that is used to directly effect and harm a person‚ plant‚ or animal would be an act of chemical warfare
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Korbelack English 121 13 November 2012 “Blood” Diamonds in Africa “In Sierra Leone‚ more than 10‚000 people have suffered amputation because of the diamond trade‚ which has become a trademark atrocity for the rebels”. Unfortunately‚ Ibrahim Fofana‚ a diamond miner‚ shared a similar fate to the thousands that suffered brutal amputations from the Rebels. Ibrahim Fofana is like many of the miners who are forced to work long brutal hours in diamond mines. And according to UK Channel 5 "The True Story"
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Chemical Eric Part 1 1. What hormonal problem could be causing these symptoms? His pituitary gland isn’t working because it has a tumor on it causing his problems like bad coordination‚ being very tall and skinny (6ft‚ 150lbs‚ and size 13 shoe)‚ right knee swelled‚ ulcerated sores on lower left leg that wouldn’t heal‚ often was sick and didn’t feel good‚ and having large hands and feet. 2. Why would joint damage be associated with rapid growth and low testosterone levels? Joint damage would be associated
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Shwachman Diamond Syndrome (SDS) is an inherited condition that affects mainly the bone marrow‚ pancreas‚ and skeletal system of the human body. Bone marrow produces new blood cells; however‚ in a patient with SDS‚ the bone marrow does not make all of the types of white blood cells making the body more vulnerable to infection. The pancreas produces enzymes that help break down and use nutrients from food. SDS results in the pancreas not producing enough of these enzymes‚ which makes it hard to digest
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Summary What are the secrets of India’s success in information technology? By using Porter’s Diamond Model‚ this article tries to answer that question. Based on the analysis‚ it seems the only determinant in the Porter’s Diamond that creates India’s success is Factor Condition (i.e. the Indian intellectual capital and “Indian connection” in Silicon Valley). The supporting determinant outside the diamond is the outsourcing trend in current global competition‚ which can be considered as the Chance
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Jared Diamond and Max Weber both are trying to answer the same question. How did the west become so dominate? Even though they both ask the same question they have very different theories as to how this came about. Weber has a very straight forward religious/cultural view on his theory whereas; diamond believes it all started with geography which lead to economic development. Weber’s argument is that capitalism flourished when the protestant (particularly Calvinism) ethic encouraged large numbers
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Blood Diamond This movie begins as a man named Solomon gets captured when the rebels of a war that’s going on‚ invade Solomon’s village. Solomon becomes enslaved and is forced to work in the diamond fields under the command of Captain Poison. When he got captured he got separated from his family. The rebels group that captured Solomon is called the Revolutionary United Front (RUF). The RUFD use the diamonds to support and fund their war effort. They trade the diamonds for guns and armed weapons
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Roxann Milbourn Case study number 2 March 13‚ 2014 Badfish anatphys Neurotoxin 1. To present the doctor’s notes portion of the case with a description of the following terms or concepts: Diaphoresis- is the medical term for profuse sweating or perspiring. The skin’s sweat glands sweat to aid in fever management. When your body temp rises you autonomic nervous system causes you eccrine glands to secrete fluid onto the surface of the skin where it cools as it evaporates. Motor dysfunction_
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