Name: Harrison Jones States of Matter Lab Procedure: Go to: http://phet.colorado.edu/en/simulation/states-of-matter and click on Run Now States of Matter Review: 1) Kinetic energy (KE) is the energy of _____Motion_______. 2) Potential energy (PE) is the energy of _____Position_______. 3) What property of a substance corresponds to the average KE of its particles? Temperature 4) What property
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1.) How does the use of fluted filter paper hasten filtration? Why is it advisable to place a small piece of wire between the funnel and the mouth of the flask during hot filtration? The way the fluted filter paper is folded hastens filtration because it increases the surface area of the filter paper‚ giving the solution more area to go through. A piece of wire is placed to avoid build-up of pressure‚ and easily pour the solution without spilling. 2.) Enumerate 2 techniques that can help
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The 1960s was an era that changed America in so many ways. While many of the changes were in Civil Rights and in humanity in general‚ another change would come in the form of science and even the way we look at body armor and self protection in general. 1967 was the year in which a the world would have been introduced to Kevlar. Kevlar Not only influenced our military it also has changed the face of everyday American products. Discovered in 1965 an American chemist with the name of Stephanie Kwolek
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spectroscopy which is defined as a combination of imaging and spectroscopy[2]. The modality of the imaging system will be a hyper cube with 2D spatial information and spectral information[14]. The materials in the scene are identified using spectral information. The location in the scene is identified using spatial information. In addition to image information‚ the classification and identification information is provided in Hyperspectral imaging systems[4]. It is useful for various industrial and
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Name: Vasile T. Garbulet States of Matter Lab 1 Procedure: Go to: http://phet.colorado.edu/en/simulation/states-of-matter and click on Run Now States of Matter Review: 1) Kinetic energy (KE) is the energy of motion. 2) Potential energy (PE) is the energy of position. 3) What property of a substance corresponds to the average KE of its particles? Temperature 4) What property of a
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Lab # 4 Crystallization Jonathan Odell Partners: Allyson Chiu Michelle Jung Regine Ong Day 1 Period 3 Experiment conducted: November 15‚ 2012 Submitted date: November 21‚ 2012 Introduction: In this lab‚ the students were separated into groups of four in which were given a test tube that was half full of hydrate sodium thiosulfate. The experiment’s purpose was to observe the reaction of the hydrate sodium thiosulfate in different situations‚ such as being shook over a period of time
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Lab Report 3: Electrical Properties of Ceramic Materials Lab III: Physical Properties of Materials By Will Paxton 3/5/07 Abstract The electrical properties of 5 different samples were studied. Characterization of these samples was through the dielectric properties‚ as this is a very important step. The capacitance was measured for each sample incrementally while heating them up to 135ºC. In a second part to the experiment‚ piezoelectric samples were studied‚ and their piezoelectric coefficient
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DATA AND RESULTS Substances Treatment Observation Rapid cooling Slow cooling Benzoic acid + NaCl + congo red Heat and filter Colorless solution‚ Coarse crystals Colorless solution‚ Fine crystal Crystallization is a highly effective method for the purification of organic substances‚ provided that the physical properties of a given compound permits its purification in this manner. Solid organic compounds when isolated from organic mixtures or reactions are seldom pure; they are usually contaminated
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compounds (solutes) tend to be more soluble in hot liquids (solvents) than they are in cold liquids. If a saturated hot solution is allowed to cool‚ the solute is no longer soluble in the solvent and forms crystals of pure compound. Impurities are excluded from the growing crystals and the pure solid crystals can be separated from the dissolved impurities by filtration. (orgchem.colorado.edu) A desirable solvent for crystallization has the following properties: 1) dissolves the solute readily at an elevated
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ZERO SCORE Paragraph 1 There are three phases whereby each has a different crystal structure at three different temperatures. At room temperature (298K)‚ Phase III is present whereby Cs3H(SeO4)2 has a crystal structure of a monoclinic with a space group of C2/m. At 400K‚ Phase II is present whereby Cs3H(SeO4)2 has a crystal structure of a monoclinic-A2/a symmetry. At 470K‚ Phase I is present whereby Cs3H(SeO4)2 has a crystal structure of a trigonal with a space group of R3-m. In Phase III‚ as we can
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