Solid Waste Management Sci/275 Shannon Johnson 08/21/10 Shannon Gumtau The terrestrial resource I chose was solid waste. The EPA defines solid waste as “any garbage or refuse‚ sludge from a wastewater treatment plant‚ water supply treatment plant‚ or air pollution control facility and other discarded material‚ including solid‚ liquid‚ semi-solid‚ or contained gaseous material resulting from industrial‚ commercial‚ mining‚ and agricultural operations‚ and from community activities. What this basically
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Distilling a Mixture of Cyclohexane and Toluene Lab partner: Chemistry 211 2/08/12 Goal: The purpose of doing this experiment is to separate a sample of cyclohexane and toluene using simple miniscale distillation. The objectives will be to record boiling range and volumes (mL) of distillates that are acquired during the distillation process. It is expected that cyclohexane boils and distils before toluene. By gathering these measurements will allow us to determine refractive index
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dissolve 10 g cane sugar in a mixture of 20 mL glacial acetic acid. Boil mixture for 30 minutes. Add the phenylhydrazine solution through the condenser. Remove from the hot plate. Rinse with 5 mL of 1:1 mixture of water and glacial acetic acid to complete the transfer of phenylhydrazine. When a yellow solid emerges‚ swirl the mixture. Wrap a dry cloth around the flask. Cool to room temperature (preferably overnight). Filter off osazone. Press and drain it. Wash with a cold mixture of 10 mL each of water
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Is glass a solid or a liquid "The idea that glass is a fluid is a very widespread myth." (Yvonne Stokes:1999‚Discover Magazine) This myth has survived for centuries because glass is such a confusing matter which cannot be compared to the three ordinary kinds of matter described in our particle theory of matter. Gasses contain free flowing molecules which are much further apart then liquids and gasses which removes the possibility of glass being a gas. A liquid however contains tighter bound molecules
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Visualising solid shapes Solid shapes A solid shape is a 3-dimensional shape‚ one that has depth‚ width and breadth. Examples: pyramids‚ cubes and spheres .(such as a ball) One - Dimensional Shapes A figure that has only length is called One– Dimensional Figure. For example line‚ line segments‚ ray‚ etc. One-dimensional figure does not have any width or thickness. Two – Dimensional Shapes The shape of an object located in some space is a geometrical description of the part of that space occupied
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Experiment 9 Thin Layer Chromatography Experiment: 9 Title: Thin Layer Chromatography Introduction: Chemical analysis is conducted on specific analytes (specific substance of interest in a mixture)‚ however it is often found that these analytes must be separated for the chemical analysis to conduct their analysis. Chromatography is a set up of laboratory a technique that is used to separate a chemical mixture. This technique is very useful as it allows us to follow the course of
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1) Separation of Power in Malaysia - BN Government change the rule Nasri Talking That “cases before the courts were not intervened by any quarters” and that “there were cases where the judgments were not in favour of the executive” do not equate to the doctrine in practice. (Phrases within quotation marks taken from a Bernama news report attributed to Nazri who was speaking during the question-and-answer session in the Dewan Rakyat recently.) Separation of Power has been dead for TWO decade
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Separating the components of a Ternary Mixture Introduction Mixtures are usually content of two or more substances. There are two kind of mixtures‚ Homogeneous and heterogeneous mixtures. For Homogeneous mixture we cannot see the individual particles of the components‚ a good example of that will be air‚ cola drink‚ and rubbing alcohol. And for heterogeneous mixture we can see the individual particles of the components‚ a good example of that will be rocks and soil. There are a variety of methods
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of child development; this is what is commonly known as separation anxiety. "Separation anxiety is a developmental stage during which the child experiences anxiety when separated from the primary care giver " (McPherson‚ 2004). Separation anxiety varies widely from child to child and most commonly occurs between the ages of eight months to two and a half. There are several different causes of separation anxiety‚ ways to manage separation anxiety to make it easier for both the child and the parent
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LAB REPORT FOR EXPERIMENT #2: PURIFICATION OF ACETANILIDE BY RECRYSTALLIZATION Your name TA’s name Your Partner’s name Lab Section OBSERVATIONS: A. SELECTING A RECRYSTALLIZATION SOLVENT | |Solubility Test (cold) |Solubility Test (hot) | |Water |insoluble |soluble | |pet ether |insoluble
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