tubes (the tube side) and the other flows outside the tubes but inside the shell (the shell side). Heat is transferred from one fluid to the other through the tube walls‚ either from tube side to shell side or vice versa. The fluids can be either liquids or gases on either the shell or the tube side. In order to transfer heat efficiently‚ a large heat transfer area should be used‚ leading to the use of many tubes. In this way‚
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A molecule of water consists of one oxygen and two hydrogen atoms joined by covalent bonds. Water as a liquid is vital to existence and plays extremely important roles in many aspects of both plant and animal lives. These aspects include temperature control‚ support‚ chemical reactions‚ transport and protection. Without the ability to control our temperature‚ we as humans would not be able to survive in our natural environment. If our internal body temperature was to rise or fall even a few degrees
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Lubricant & Grease Additivess OMG has long been a leader in the production of high-performance additives for lubricant oils and greases. We are a global producer of metal organics for use in a variety of industrial applications; most recently‚ for the lubricant and fuel additive industries. We are a leader in the development of high-performance additives that comply with stringent new FDA and NSF regulations. Calciplex™ and FRIC-SHUN® Sulfur-free and Phosphorus-free Additives OMG’s proprietary
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CHAPTER 10 Liquids and Solids 1. Order the intermolecular forces (dipole-dipole‚ London dispersion‚ ionic‚ and hydrogen-bonding) from weakest to strongest . a) dipole-dipole‚ London dispersion‚ ionic‚ and hydrogen-bonding b) London dispersion‚ dipole-dipole‚ hydrogen-bonding‚ and ionic c) hydrogen-bonding‚ dipole-dipole‚ London dispersion‚ and ionic d) dipole-dipole‚ ionic‚ London dispersion‚ and hydrogen-bonding e) London dispersion‚ ionic‚ dipole-dipole‚ and hydrogen-bonding Ans: b 2. Hydrogen
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ACKNOWLEDGEMENTS It is usually said that no man is an island unto himself‚ and any man who so lives all by himself‚ without interacting with his fellow men is in the words of Aristotle‚ “either a beast or a god”. Mutual co-operation and interaction form the cardinal feature of human life. The task of writing this report has not‚ in the least‚ been an easy one‚ and it would be axiomatic to add that all the numerous tasks involved could not be have been accomplished successfully singly
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Seeds In partial fulfillment of the requirement Research Submitted To: Mrs. Linda Mahomoc Submitted By: Lucy Mae R. Mendoza Chapter I Introduction Background of the Study Oil is a smooth‚ thick liquid that is used as a fuel and for making the parts of machines move smoothly. Oil is found underground. Oil has many uses. It helps the machines to work like vehicles‚ agricultural equipment and generators. Oil price hike is the one of the major problems
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In suspension polymerization‚ distilled liquid tetrafluoroethylene is added to a reaction chamber with purified water and an initiator which causes the TFE to polymerize. The chamber is shaken and cooled; resulting in solid flakes of PTFE which is dried and ground to a powdery consistency after
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is generally made by combining a surfactant‚ most often sodium lauryl sulfate and/or sodium laureth sulfate with a co-surfactant‚ most often cocamidopropyl betaine in water to form a thick‚ viscous liquid. Other essential ingredients include salt (sodium chloride)‚ which is used to adjust the viscosity‚ a preservative and fragrance. Other ingredients are generally included in shampoo formulations to maximize the following qualities: * Pleasing foam * Easy rinsing * Minimal skin/eye irritation
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Journal of Food Engineering 73 (2006) 320–326 www.elsevier.com/locate/jfoodeng Determination and correlation of heat transfer coefficients in a falling film evaporator ´ J.S. Prost a‚ M.T. Gonzalez a b a‚b ‚ M.J. Urbicain a‚b‚* ´ ´ ´ Planta Piloto de Ingenierıa Quımica (PLAPIQUI)‚ Camino La Carrindanga Km 7‚ (8000) Bahıa Blanca‚ Argentina ´ ´ ´ Departamento de Ingenierıa Quımica‚ Universidad Nacional del Sur (UNS)‚ Alem 1253‚ (8000) Bahıa Blanca‚ Argentina Received 23 July 2004; accepted
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The Biological Importance Of Water Water plays a huge role in our lives‚ the molecule which is comprised of two atoms of hydrogen and one atom of oxygen bonded together has many complex properties. The molecule maintains a bent shape due to its tetrahedral arrangement and the negative lone pair of electrons on the oxygen. The electrons from both hydrogen and oxygen are joined covalently but the difference in electronegativity lets the electrons from hydrogen get pulled slightly toward the oxygen
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