EXECUTIVE SUMMARY Formation of Wax/Oil from the Batch Pyrolysis of High Density Polyethylene and Polypropylene Wastes and Resins Roces‚ Susan A.‚ Chan‚ David C.‚ Yap‚ Kenny M.‚ Yeung‚ Evan W. De La Salle University Manila – College of Engineering Chemical Engineering Dept. Abstract Batch pyrolysis of high density polyethylene and polypropylene has been performed in a quartz reactor to obtain waxy products. Experiments were carried out in temperatures 500‚ 550 & 600°C with
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Salt water is denser than ordinary tap water‚ the denser the liquid the easier it is for an object to float in it. When the egg was lowered into the liquid it drops through the normal tap water until it reaches the salty water‚ at this point the water is dense enough for the egg to float. To find the density of salt water first measured the mass of salt water after adding salt into 800ml of water. The following results are the density of salt water every time increasing 1 table spoon of salt into
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begin to line up into neat rows of six molecules‚ but the water retains the same density‚ except for the slight drop that is common with most matter just before solidification. Once the water temperature has dropped to 0° C‚ the rows of molecules connect at the ends to form an open-ended hexagon. Because of the empty spaces into the middle of these hexagons‚ the ice takes up more space than the same amount of liquid water. The net result is approximately 9% more volume. The disadvantages of this
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Chapter 1: Introduction Chapter 1: Introduction Ionic liquids (ILs) can be viewed as a new and remarkable class of solvent. They are also a type of materials that have a long and useful history‚ where the earliest material that meets the current definition of IL was observed in the mid-19th century when a separate liquid phase called the “red oil” was observed in Friedel-Crafts reaction [17]. Over the following years‚ there has been a rapid growing of interest in ILs due to the realization
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Procedure: Using distilled water‚ premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius‚ Fahrenheit and Kelvin. Purpose: Weighing objects. Figuring out the density with an object by calculated volume and Archimedes’ Principle. obseRvations Data Table 1: Length measurements. Object Length (cm) Length
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faster than the diffusion in liquid phase due to the small spaces between the molecules that hinder other molecule movement. Other factors that will effect the diffusion are temperature‚ density‚ concentration and other external factors. 1. INTRODUCTION This experiment has been designed for students experiment on the technique of determining diffusivity of the vapor of a volatile liquid based on the established Winkelmann’s method. In this method the volatile liquid is allowed to evaporate in a
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matter? Answer : Air occupies space and have weight. Hence air is a matter. Q. 5. State the characteristics of matter? Answer : Matter has mass‚ weight and occupies space Q. 6. What are the intensive properties of matter? Answer : Density‚ colour‚ melting point‚ boiling point‚ refractive index etc. are the intensive properties of matter as it does not depend upon the amount of matter contained in it. Q. 7. What are the extensive properties of matter? Answer : The properties which
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The Mass of Quartz Purpose: To determine the density slope for water and alcohol and apply the understanding to determine the volume of a quartz sample without measuring the volume or calculating it. Hypothesis: The hypothesis of this lab was by using the density of alcohol we could calculate the density of a quartz samples. Controls and Variables: Independent variable: Volume of water and alcohol Dependent variable: The weight of the liquid or solid Controls: The volume of the water
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phy-astr.gsu.edu/hbase/class/phscilab/dens.html Archimedes’ principle states that the buoyant force experienced by a submerged object is equal to the weight of the liquid displaced by the object. Experimentally this appears in the fact that the submerged object apparently weighs less by an amount equal to the weight of the liquid displaced. The buoyant force can be expressed as http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy.html#arch3 Buoyancy Buoyancy arises from the fact that fluid pressure
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the mass (m)‚ volume (V)‚ and density (ρ) of the wood block. 5. In the middle of the screen there is a container of water. Record the volume of the water. 6. Drop the wood block into the water. Does the wood block float? Explain why or why not. 7. Place the block so that it is completely submerged in the water. Now what is the volume of the water? By how much did it change? 8. Write a statement about the volume of an object and the volume of liquid displaced. 9. Use the dropdown
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