Pollution problems that are serious but that are relatively unknown Many kinds of pollution exist worldwide. Many familiar pollution problems are known to many people such as pollution from the garbage‚ air pollution from cars and industry‚ pollution released into water from the factories and so on. There are many occurring spots worldwide that serious pollution problems have taken place‚ but do you wonder where those places are? Some of the significant scenes are worth knowing. Here are some scenes
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of H in C-OH bond) Reagent: Neutral KMnO4 Observation: purple color ( brown ppt Procedure: 5 drops test sample in test tube+ 1 drop dilute neutral KMnO4‚ if NO DECOLORIZATION warm mixture. Primary Alcohol( carboxylic acid Secondary Alcohol( ketones Tertiary( none Phenols Reaction with bromine/water (Confirms if phenol compound) Reagent: bromine in H2O Observation: Disappearance of orange-brown bromine color‚ then formation of white precipitate Procedure: 3 drops phenol soln on test
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5. ENERGY BALANCE Basis:- 1 Hr. Operation ENERGY BALANCES ACROSS THE FEED PREHEATING EQUIPMENT:The heating of cold 2-butanol feed is to be completed in three stages in order to avoid large heat losses. The cold feed is first preheated to its boiling point using steam as heating medium and then vaporized in a thermosyphon reboiler utilizing the heat contained in the reaction products. The vapor‚ which has entrained liquid is removed from the knock out drum‚ and then heated to reaction temperature
Free Thermodynamics Energy Temperature
Identification of a Hydrate Based on Percent Water Varun Wadhwa 11/19/12 Introduction The identity of an unknown hydrate was determined by massing the hydrate before and after heating and calculating the percentage of water. Procedure First‚ we cleaned‚ dried and heated an evaporating dish for five minutes on an iron ring with the Bunsen burner and massed it. Then‚ we added 2 grams of an unknown hydrate and calculated the mass of that. Next‚ we used gradually increasing heat for
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Separation and Identification of Plant Pigments by Paper Chromatography Biology 1107L Introduction All living organisms require energy for their chemical processes. The ultimate source of this energy is the sun. Plants convert light energy into the chemical energy of sugars. During photosynthesis pigments are used to capture light energy. Pigments of green plants can easily be separated and identified using a technique called paper chromatography. The purpose of this
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Name the minerals below. Then‚ insert a percentage of how certain you are in your identification. Finally‚ explain your percentage of certainty: What was confusing about this mineral? What other minerals do you think it could be? Remember‚ the minerals in the virtual lab include seven of the following: borax‚ calcite‚ corundum‚ graphite‚ gypsum‚ orthoclase feldspar‚ pyrite‚ quartz‚ talc‚ and topaz. Identification of Mineral Percent Certain Explanation of Certainty Example: Fluorite 80% certain
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Facebook ; the good the bad and the unknown Facebook is a social network service and website that was launched in February 2004 it is operated and privately owned by Facebook‚ Inc. As of this year‚ [updateFacebook has more than 500 million active users. It is a great online source for keeping up with your friends‚ finding friends with similar interests‚ staying in touch with loved ones all over the world‚ and sharing things in your life with the people you care about. But when is sharing and
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The identification of an unknown bacterial environmental isolate through a series of morphological‚ physiological and differential exercises. The purpose of the environmental isolate report is to learn what is necessary in order to take an unknown environmental isolate (EI) and identify it. This was achieved through a series of exercises that provided information on the morphological‚ physiological and biochemical traits of the EI which were then compiled and interpreted in order to make a presumptive
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Unknown sample number #1 #2 #3 #4 #5 #6 Hypothesis: Coffee Potting soil Raw sugar Baby powder Baking soda Baking powder Color: Brown Gray‚ brown‚ Tan White White White Texture: Course inconsistent Course Soft soft Soft Shape: Small granular pieces Granular particles‚ twig like particles granular-like particles Powder-like Powder-like Powder-like Smell: Of coffee no Of sugar Of baby powder Non No Soluble: Yes no yes yes yes yes Density: 0.307 0
Free Scientific method
Identification of training or development need Appraisal Meeting: This employs formal and informal processes to evaluate the work performance of an individual in terms of training and development and the necessary measures to undertake for future improvement. This process is undertaken through a discussion between an employer or her representative and the employee. It is a vital exercise for improving the productivity of both the employee and the business. http://www.ehow.com/info_8785840_appraisal-meeting
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