1. You don’t have to be a chem whiz * Chemical engineering requires a basic understanding of chemistry‚ physics‚ math. You’re not required to memorize formulas‚ it’s more important to understand the principles and learn how to apply them to solve a problem/improve status quo. However after a few semesters‚ your brain WILLremember many formulas! * You do need to be analytical and have the ability to think critically. You must be able to look at the problem from a bigger viewpoint but
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Chemicals in medicines Rakesh Mohan Hallen The words medicine’ and ’drug’ are often used in our country to mean the same substances: any substance‚ manufactured artificially‚ which can help recovery from sickness‚ relieve symptoms or modify a natural process in the body. A medicine is often a mixture of several chemical compounds. Even if it has only one active component compound often other substances are used as fillers or binders to give it bulk. Chemistry‚ the science related to chemical substances
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Chemical Bonds Chemical Bond: is the force that holds atoms together in a compound. They form because they lower the potential energy of the charged particles that compose atoms. Chemical bonds can be broadly classified into two types: Ionic and Covalent. Ionic: metal & nonmetal Metals have a tendency to lose electrons and nonmetals have a tendency to gain them. The metal atom becomes a cation and a nonmetal becomes an anion. The oppositely charged ions attract one another and form an ionic
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ABC Chemical Company Goes Global* Driven by competitive pressures‚ and the attractiveness of the industry’s fastest growing market in the world‚ a U.S.-based chemical manufacturer‚ ABC Chemical Company (name changed to maintain confidentiality) considered expansion into Asia‚ specifically‚ China. William Smith is the International Marketing manager for ABC Chemical Company. William has been tasked with expanding ABC’s manufacturing and distribution to the Asia Pacific region. Many changes in
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(a)(i) Describe Hindu belief in respect for all living creatures. Hindu’s belief in respecting all living creatures is due to many reasons‚ including the presence of Brahman‚ the close connection between humans and animals and the most basic principles of satya and ahimsa. Firstly‚ Hindus believe that God created the whole universe and that all creation whether it be oceans‚ mountains‚ human beings‚ animals or plants it is all part of the Universal Spirit (Brahman) and therefore deserves respect
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CHEMICAL WEATHERING Chemical weathering is a process of alteration of rocks of the Earth’s crust. is a chemical decomposition process. is brought out by atmospheric gases and moisture. End product has a different chemical composition and poorer physical constitution. The process: Chemical change in the nature of rock takes place in the presence of moisture containing many active gases such as CO2‚ N2‚ H2‚ and O2. Rocks are made up of minerals. All the minerals in a rock are not in
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Midland Chemical Assignment Midland Chemical Co. is negotiating a loan from Manhattan Bank and Trust. The small chemical company needs to borrow $500‚000. The bank offers a rate of 8 ¼ percent with a 20 percent compensating balance requirement‚ or as an alternative‚ 9 ¾ percent with additional fees of $5‚500 to cover services the bank is providing. In either case the rate on the loan is floating (changes as the prime interest rate changes). The loan would be for one year. a. Which loan carries
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Chemical reactions involve the making and breaking of bonds. It is essential that we know what bonds are before we can understand any chemical reaction. To understand bonds‚ we will first describe several of their properties. The bond strength tells us how hard it is to break a bond. Bond lengths give us valuable structural information about the positions of the atomic nuclei. Bond dipoles inform us about the electron distribution around the two bonded atoms. From bond dipoles we may derive electronegativity
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3 Chemistry 101 Physical & Chemical Properties Purpose To examine the physical and chemical properties of multiple natural chemical substances‚ and to determine which changes are chemical and which are physical. Data Solubility or Reaction | SubstanceName | Color | Odor | Effectof Heat | ColdH2O | HotH2O | LitmusTest | DiluteHCl | DiluteNaOH | Mg | Silver | Odorless | Slight change of color and expansion | No Reaction | Substance became buoyant‚ gas produced
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The purpose of this experiment was used to identify the chemical changes a substance undergoes by knowing some of its chemical properties like (Change in color‚ producing bubbles and gas‚ precipitation‚ conductivity). The aim of today’s lab was to help us identify different households and their components‚ they contained whether they were acid/ base‚ because most of the households are based on those solutions like (i.e. Acetic acid = Vinegar = CH3COOH can be used in cooking) or bases solutions
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