LAB REPORT 5 – ACID/BASE CHEMISTRY No credit will be given for this lab report if the Data section is not completely filled out and if the required photographs are not received. At least one photograph must show the student’s face. NOTE: This experiment is rather lengthy. Plan accordingly. OBJECTIVES 1. Define strong electrolyte‚ weak electrolyte‚ nonelectrolyte‚ acid‚ base‚ salt‚ strong acid‚ weak acid‚ strong base‚ weak base‚ and neutralization reaction. 2. Compare and contrast the chemical
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Lab #5: Refraction of Light Theory: Refraction can be defined as the bending of a wave when it enters a medium which causes it to have some reduced speed. In terms of light‚ refraction occurs when the ray passes through some medium which slows its speed; such as water or glass. In this instance the ray tends to bend towards the normal of the medium. The amount of bending or refraction which occurs can be calculated using Snell’s Law (). Objective: To measure the index of refraction of Lucite
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handwritten notes * Your valid library card to verify enrollment eligibility Please note that no food or drinks are allowed in any of our computer facilities. If you have any questions or would like to register for additional courses‚ please contact me at (291) 555-9454 or via e-mail at mtlawrence@jpl.net. Again‚ thank you for your interest in and continued patronage of Jonner Public Library. We look forward to seeing you when your first class begins. Sincerely‚ Marcia Lawrence
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easy to observe a change in colour while titrating. The solution gradually decolorized after reaching the permanganate end point due to the reaction between MnO4- and Mn2+‚ so the end point is read as quickly as possible. 2 mL of H3PO4 solution reacts with Fe3+ to produce Fe (PHO4)2- ‚
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Unknown 2 Scheme “ Fair game” ions Cations: Na+‚ K+‚ NH4+ ‚ Ca2+‚ Mg(OH2)62+ ‚ Al(OH2)63+ Anions: SO42-‚ HSO4-‚ NO3-‚ OH-‚ Cl-‚ CO32-‚ HCO3- Insoluble Compounds: Ca(OH)2‚ CaSO4•2H2O‚ CaCO3‚ MgCO3‚ Mg(OH)2 I. Describe Sample a. Quick description of sample. Ex: Phase‚ color‚ odor‚ crystalline‚ amorphous‚ gel-like‚ powdery‚ etc. II. Flame Test a. Part 1 i. Orange Flame: Na+ is present. K+ ‚ NH4+ ‚ Ca2+‚ Mg(OH2)62 ‚ Al(OH2)63+ may also be present. ii. Purple Flame: K+ is present (no Na+
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Mechanical Engineering Department. Mechanics of Machines 2 Student no: Date of Laboratory experiments: Place: Date completed: Due Date: Experiment 1: The Plate Clutch Objective: The Aim of this experiment is to find the relation between the axial load W and the frictional torque T‚ using a single plate clutch. To find the coefficient of friction between the clutch surfaces using the uniform wear theory. To experimentally conclude whether the average
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OCR B (Salters) AS level Chemistry UNIT 2 – F332 Elements from the sea Halogens and Halides (group 7 chemistry) * Halogen is the elemental molecule‚ eg/ Cl₂‚ Br₂ * Halide is in a compound‚ eg/ KBr‚ KCl | Fluorine | Chlorine | Bromine | Iodine | Appearance at room temp | Pale yellow gas | Green gas | Dark red volatile liquid | Shiny black solid – sublimes to purple gas | Halide | Colour precipitate with silver nitrate | KCl | White | KBr | Cream | KI | Pale Yellow |
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router# Global configuration #configure Line Configuration (config-map-class)# Interface Configuration (config-if)# Router Configuration (config-line)# 3-2 Basic Configuration Exercise 1. Router(config)#hostname AUS 2. AUS(config)#enable password class‚ AUS(config)#enable secret class 3. If both are configures‚ the enable secret password can be used. The enable password command is ignored. Therefore‚ you do not need to configure
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Deciding on which cybersecurity program to use to protect clients’ login and password is always a gamble. OAuth 1 and OAuth 2 are the two most popular protocols used to safeguard client information. This protocol is used by major corporations including Twitter (Twitter Developers Documentation‚ n.d.) and Instagram (Authentication‚ n.d.)‚ OAuth or Open Authorization) is a program which was developed to protect client passwords and information from other third-party applications. Generally‚ O-Auth
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All the reagents and solvents used for synthesizing the title compound were of Analar grade (Merck) and were used as such without further purification. The 2-naphthol derived Mannich base 1-((4-methylpiperazin-1-yl)(phenyl)methyl)naphthalen-2-ol (MPN) was synthesized according to the general procedure described in the literatures [13‚ 14]. The 2-naphthol (4.33 g‚ 0.03 mol) was dissolved in 30ml of ethanol and it was mixed with N-methylpiperizine (3.0 mL‚ 0.03 mol) by continuous stirrer at room temperature
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