"Your data of the density of sodium chloride solutions should have produced a straight line when plotted how could this plot be used to determine the density of any concentration of sodium chloride so" Essays and Research Papers

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    Density Lab Report

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    Ciara Clark and Caroline Bedenbaugh 4A Density Lab Objective​ : The purpose of this lab is to observe and explore the relationship of a substance’s volume vs. its mass‚ and to calculate an object’s density by using the relationship of its mass and volume. Data Tables​ : Data: Density of Water Run Mass of graduated cylinder volume of water added mass of water 1 25.28 g 0.00 mL 0.00 g 2 26.15 g 1.00 mL 0.87 g 3 27.18 g 2.00 mL 1.90 g 4 28.19 g 3.00 mL 2.91 g 5 29.13 g 4.00 mL

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    Anatomy of Sodium Hypochlorite Accidents by Omid Mehdipour‚ DDS Donald J. Kleier‚ DMD Robert E. Averbach‚ DDS Omid Mehdipour‚ DDS International Student Program Donald J. Kleier‚ DMD Professor and Chairman Robert E. Averbach‚ DDS Professor of Endodontics Division of Endodontics University of Colorado School of Dental Medicine Aurora‚ Colorado Abstract Sodium hypochlorite (NaOCl) in various concentrations is the most widely used endodontic irrigant‚ but it can be an irritant to vital tissues

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    Sodium Boure Lab Report

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    Investigating the Ratio Between Poly-Vinyl Alcohol and Sodium Borate to form a Bouncing Ball Timothy English Gen. Chem. 1 Lab Section: 009 Introduction: Poly-Vinyl Alcohol (PVA) is a water-soluble synthetic polymer that will be used as one element to form the well know bouncing ball‚ along with Sodium Borate (borax)‚ which has a variety of uses because of its weak base. PVA is ideal for this experiment because it is odorless‚ nontoxic‚ has high tensile strength and flexibility. The

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    Population Density Paper

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    The Effects of Population Density PSY/460 April 7‚ 2014 The Effects of Population Density You can find noise and pollution in nearly all major cities. Noise in general can be a serious

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    ‘Time is money!’ So it is important that chemists can make reactions happen and make useful products as quickly as possible. However‚ sometimes chemists deliberately slow down reactions to avoid health and safety risks. Some reactions can go out of control and lead to large amounts of toxic or flammable gases being made too quickly. One chemical that is made industrially is sodium thiosulfate. Sodium thiosulfate solution is sold in a range of concentrations. Dilute solutions of sodium thiosulfate can

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    and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame  2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. Part Two (Spectroscopy): 1. Create and complete a data table for Part Two of the lab. It should include the name of the element‚ the colors‚ and the wavelength values of the observed lines. 2. Describe the line spectrum of the

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    Why Is Calcium Chloride Powder Used Extensively As A Bleaching Agent? In simple terms‚ calcium chloride is an inorganic compound having chemical formula CaCl2 (H2O)x where x can be 0‚1‚2‚4 and 6. All the salts produced by calcium chloride powder has a unique characteristic that they are highly soluble in water. This helps in applications where you need to remove snow‚ ice‚ or frost from any surface or even simple dust removal. It can absorb moisture from the surrounding environment‚ which is also

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    In this experiment‚ the objective is to successfully perform an SN1 reaction to determine the reactivity of tert-butyl chloride‚ through the usage of sodium iodide/silver nitrate reagents and to synthesize tert-butyl chloride. The tert-butyl chloride was synthesized through the use of separation (aqueous and organic layers) and distillation. Tert-butyl chloride is the alkyl halide which is being synthesized throughout the course of the experiment. Alkyl halides are derived from alkanes. Once an alkane

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    Sodium borohydride Reduction of Benzil Introduction: The Purpose of this experiment is for the students to learn how to use sodium borohydride to reduce benzil to its secondary alcohol product via reduction reaction. This two-step reaction reduces aldehydes by hydrides to primary alcohols‚ and ketones to secondary alcohols. In order for the reaction to occur and to better control the stereochemistry and yield of the product‚ the metal hydride nucleophile of the reducing agents such as LiH‚ LiAlH4

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    the vinegars have been diluted by working out their concentrations. Scientific Background: Vinegar is an acid and there fore can be neutralised by an alkali. Acid + Alkali à salt + water Hydrochloric acid + Sodium Hydroxide à Sodium chloride + water Vinegar is a weak acid and therefore it only partially ionises in solution. CH3COOH ßà CH3COO- + H+ An alkali such as Sodium Hydroxide has a formula NaOH. If the alkali is strong then it ionises fully in solution. NaOH ßà Na+

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