(example: hydrogen) or a gas (example: Hydrogen). Matter can be classified as either a mixture or a pure substance or a mixture. There are two types of mixtures a homogenous mixture and a heterogenous mixture. A homogenous mixture is a mixture that has been thoroughly combined and has been turned into a solution. A heterogenous is a mixture in which the particles has not been thoroughly combined. All mixtures can be separated to get the back to its original form - a pure substance. A pure
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CHAPTER 6 MECHANICAL-PHYSICAL SEPARATION PROCESSES Introduction Separation Processes Many chemical processes materials and biological substances occur as mixtures of different components in the gas‚ liquid‚ or solid phase. In order to separate or remove one or more of the component from its original mixture‚ it must be contacted with another phase. The two-phase pair can be gas-liquid‚ gas-solid‚ liquid‚ or liquid-solid. Absorption When the two contacting phases are a gas and a liquid
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Assignment Purification of a Mixture INTRODUCTION Mixtures obtained from the biosphere‚ lithosphere‚ hydrosphere or atmosphere can be industrially separated into their constituents. Petrol for example is obtained from crude oil found in the lithosphere. RESEARCH SKILLS When researching this assignment you will access a variety of secondary resources including web sites and textbooks. Please include a detailed bibliography You should also consider both the validity and reliability of your
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MEMORANDUM From: To: Subject: Calcium Chloride Best Purchase for Deicing Enclosures: (1) Data Record (2) Data Treatment (3) Environment Impact Research After hours of vigorous examination‚ we have come to the conclusion that calcium chloride (CaCl2) would be the best deicer to use on a naval base over sodium chloride (NaCl) and ethylene glycol (C2H6O2). In order to melt ice‚ deicers lower the freezing point so that the ice melts at lower temperatures. CaCl2 has
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The mean data observed show a number of trends. The average weight and length tend to decrease as the amount of Ammonium Sulfate approaches the full recommended dose. On the other hand‚ the average amount of protein per gram of tissue tends to increase as the amount of Ammonium Sulfate approaches the full recommended dose. Our null hypothesis was that there is no difference between the mean weights or the mean lengths of the seedlings two different treatments. (A+B‚ A+C‚ and B+C) Each of these
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a water outlet and the upper end to the sink with help of rubber tubing. 5. Adjust the burner to heat the water and let it boil gently such that the water refluxes in a steady drip from the bottom of the condenser. 6. Keep on heating the mixture till the solid stops to dissolve. Then remove the burner and cool the flask for a moment. 7. Remove the condenser carefully and add a very small amount of decolourizing charcoal
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Acetyl chloride‚ CH3COCl‚ also known as ethanoyl chloride or acyl chloride‚ is an acid chloride derived from acetic acid. It belongs to the class of organic compounds called acyl halides. It is a colorless liquid. Acetyl chloride does not exist in nature‚ because contact with water would hydrolyze it into acetic acid and hydrogen chloride. In fact‚ if handled in open air it gives off white smoke owing to the hydrolysis from the moisture in the air. The "smoke" is actually small droplets of hydrochloric
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Separation of a Mixture Introduction: Mixtures are not unique to chemistry; you use and consume them on a daily basis. The beverages you drink each morning‚ the fuel you use in your automobile‚ and the ground you walk on are mixtures. Very few materials that you encounter are pure. Any material made up of two or more substances that are not chemically combined is a mixture. The isolation of pure components of a mixture requires the separation of one component from another. Techniques
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Most materials in our world are mixtures. Very few materials are pure substances. The art of separating mixtures is important because it enables us to isolate pure substances. Mixtures are either homogeneous or heterogeneous. To separate a mixture there is not only one‚ but several different methods used. A mixture is a physical blend of two or more substances. An important characteristic of mixtures is that their composition may change. There are two types of mixtures however‚ Homogeneous and Heterogeneous
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Purpose: In this lab‚ a mixture of naphthalene (C10H8)‚ common table salt (NaCl)‚ and sea sand (SiO2) will be separated using the separation techniques in order to demonstrate the properties of mixtures and their ability to be separated by physical means. INTRODUCTION: This lab was based on the separation of the components of a mixture. A mixture can be defined as a physical combination of two or more pure substances. Separation techniques are used to separate components that are not chemically
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