DETERMINATION OF REYNOLDS NUMBER Date Performed: December 09‚ 2014 ChE 34 A: UNIT OPERATIONS LAB Submitted by: Ephrem John O. Agorob 201030788 Jill Carlotha P. Cajote 201030149 Jacqueline Faye D. Lim 201030739 Melody Kimberly D. Pitoc 201014465 Instructor: Engr. Edwin Richard R. Ortiz Date Submitted: December 16‚ 2014 1 REYNOLDS NUMBER Experiment 3 ABSTRACT: The experiment focuses on types of flow of liquids. It aims to classify if the flow of is either laminar or turbulent. Reynolds number
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Transition Metals 1a) The d-orbitals of a free transition metal atom or ion are degenerate (all have the same energy.) However‚ when transition metals form coordination complexes‚ the d-orbitals of the metal interact with the electron cloud of the ligands in such a manner that the d-orbitals become non-degenerate (not all having the same energy.) The way in which the orbitals are split into different energy levels is dependent on the geometry of the complex. Crystal field theory can be used to predict
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The alkali metals are found in group 1 of the Periodic table. They are very reactive metals and do not occur freely in nature. Alkali metals are malleable‚ ductile‚ and are good conductors of heat and electricity. Alkali metals can also explode if they are exposed to water. The Alkali metals are: lithium‚ sodium‚ potassium‚ rubidium‚ cesium‚ and francium. Lithium The mineral petalite‚ which contains lithium‚ was discovered by a Brazilian scientist named Jose Bonifacio towards the end of the
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found in China. Canada and Russia also have large reserves. A significant amount of tungsten is recovered through recycling of scrap tungsten products. [1.] Tungsten is classified as a "Transition Metal" which is located in Groups 3 - 12 of the Periodic Table. An element classified as transition metals are ductile‚ malleable‚ and able to conduct electricity and heat. Tungsten is mixed with carbon to make a very strong‚ very resistant material called tungsten carbide. Tungsten carbide is used to
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alkali and alkaline earth metal ion 2. Define ground state and excited state of an atom. Ground state- normal configuration of the electrons about the atom or the ion of an element; stable particle electrons are at lowest possible energy level Excited state- when stable particles are heated to very high temperatures some of the electrons leave their ground state and become “excited”; these electrons move to higher energy levels 3. What is flame test? Why do different metals produce different colors
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Our client has an immediate need for an Sheet Metal Fabrication Programmer Job Duties are: -Analyzes part of drawings‚ specifications‚ and design data. -Works from written specifications‚ blueprints‚ and/or shop drawings to write CNC programs of machine instructions through the use of a computer. -Will create‚ maintain‚ and troubleshoot programs for AMADA turret/punch press and laser cutting machines. -Will setup and operate machines when not programming. -Will field operator comments‚ questions
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26 2.3 Metal Forming Valery Marinov‚ Manufacturing Technology SHEET METALWORKING Classification of Sheet Metalworking Processes Basic sheet metalworking operations: (a) bending‚ (b) drawing‚ and (c) shearing; (1) as punch first contacts sheet and (2) after cutting. Force and relative motion are indicated by F and v Cutting Operations Shearing Shearing is a sheet metal cutting operation along a straight line between two cut-ting edges by means of a power shear. Shearing
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Report on “Flow past cylinder (in 2D) at different Reynolds numbers” 1 Contents 1 Abstract ............................................................................................................................................................ 3 2 Introduction ................................................................................................................................................... 3 3 Theory.....................................................................
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Comparing the Density of Metals Question: What is the effect of changing the type of metal on its density? Hypothesis: If a different metal type is used‚ then the density will change. Materials: 4 metal samples Balance 50 ml graduated cylinder Water Paper towels Apparatus: Pre-Lab Questions: 1. What’s the formula to calculate density? D = M / V
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Colors of Metals Abstract The experiment about flame color of metals demonstrates how electrons jump into their excitedstate from their ground state as it came in contact with heat. As it return to its lower energy state‚it emits the absorbed energy in the form of light. A platinum or nichrome wire was dipped into aconcentrated HCL and was heated to clean it. The wire was dipped into different salt solutionsand heated in order to determine the metallic ion’s color and wavelength. Metal ions emitting
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