acceptable indoor environment for all teaching accommodation. The College will be reviewed in relation to the built environment in respect of; thermal environment i.e. ventilation‚ without causing excessing air movement and humidity levels and condensation. It will also analyse factors affecting lighting including natural daylight‚ sound\noise from external sources to inside‚ internally to the outside and within the building‚ including building services installations and to also consider the acoustic
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Lecture 1 Which gases are the primary constituents of the atmosphere 78% Nitrogen‚ 21% Oxygen‚ 1% Argon‚ .038% carbon dioxide‚ .002% Others What is the difference between weather and climate? Weather= atmospheric conditions at a particular time & place. (Temp‚ pressure‚ humidity‚ cloud cover‚ etc) Climate= the average weather over a long period of time. (long-term weather data) What is the difference between satellites and radar? Satellites view clouds from space Radar view precipitation
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different type) with the elimination of a stable small molecule such as water. This latter type of polymerization combines addition and elimination reactions and is called a condensation reaction . Types of polymerization reactions Addition Polymerization Chain Polymerization/ Free radical Polymerization Condensation Polymerization Addition Polymerization Also known as Chain-growth polymerization involves the linking together of molecules incorporating double or triple carbon-carbon bonds
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particulates and a fluid‚ at different temperatures and in thermal contact. In heat exchangers‚ there are usually no external heat and work interactions. Typical applications involve heating or cooling of a fluid stream of concern and evaporation or condensation of single- or multicomponent fluid streams. In a few heat exchangers‚ the fluids exchanging heat are in direct contact. In most heat exchangers‚ heat transfer between fluids takes place through a separating wall or into and out of a wall in a transient
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macromolecules made from a few hundred to a few thousand monosaccharides. Formation of glycogen and cellulose by condensation reactions to form glycosidic bonds: These are formed when two monosaccharides are condensed together. One monosaccharide loses an H atom from carbon atom number 1 and the other loses an OH group from carbon 4 to form the bond. The reaction‚ which is called a condensation reaction‚ involves the loss of water (H2O) and the formation of an 1‚4-glycosidic bond. Depending on the monosaccharides
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Synthesis of Aspirin and Oil of Wintergreen Janelle Alyssa P. Prudente De La Salle University-Dasmariñas Dasmariñas City‚ Cavite‚ Philippines ABSTRACT In this experiment‚ acetylsalicylic acid commonly known as aspirin and methyl salicylate‚ commonly known as oil of wintergreen‚ was synthesized from salicylic acid. This study will show that it is possible to show two very different organic compounds from the same common starting material. For the synthesis of aspirin‚ salicylic acid
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SERANGOON JUNIOR COLLEGE General Certificate of Education Advanced Level Higher 2 CHEMISTRY JC2 Preliminary Examination Paper 1 Multiple Choice Additional Materials: Data Booklet Optical Mark Sheet (OMS) 9647/01 23 August 2011 1 hour READ THESE INSTRUCTIONS FIRST On the separate multiple choice OMS given‚ write your name‚ FIN/NRIC and class in the spaces provided. Shade correctly your class and FIN/NRIC number. Eg. If your NRIC is S9306660Z‚ shade S9306660Z for the item “index number”. There
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based on the 1:1 molar ratio. Therefore‚ this trial had a lower calculated percent mass of NaNO2 in the unknown mixture than it should have had. Trial two also consisted of a random experimental error. It was observed that there were liquid condensation particles clinging to the sides
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a water source can be used for distillation. Electric heaters or steam heat exchangers are common. Placing source water into black painted pans exposed to sunlight is a "green" method of turning gray water or salt water sources into vapour for condensation. None of these techniques attempts to isolate the water vapour
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1. HOW DO THE PRESOCRATIC THINKERS GRAPPLE WITH ISSUES OF MATERIALITY AND NON-MATERIALITY IN THEIR RESPECTIVE SOLUTIONS TO THE PROBLEM OF THE ONE AND THE MANY? The problem of the One and the Many‚ that is‚ explaining how one basic thing can be the source of many varied things. The world contains an enormous variety of objects‚ some living‚ others inanimate; some solid‚ others liquid. It seems reasonable to suppose that all things come from a common source or type of stuff. Identifying that common
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