Q1 (a) Define density and relative density. What are the different units of measurement of density? (b) Explain how the relative density of a liquid is found using specific gravity bottle. (c) A metal casting is expected to have a specific gravity of 7.5. Due to entrap air bubbles the actual specific gravity was found to be 6.5. What percentage of the casting filled with air? (Neglect the mass of air in calculation). Q2 (a) Write down the relationship for the dynamic viscosity of fluid in terms of
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Chemistry I Objectives • Become familiar with several important laboratory techniques. • Gain proficiency with some of the common measuring devices used in a chemistry laboratory. • Determine the volume‚ mass‚ length‚ temperature‚ and density of objects and liquids. Materials Materials Label or Box/Bag Qty Item Description Student provides 1 1 1 1 1 1 1 1 1 Metric ruler‚ cm (centimeter) & mm(millimeter) Table salt Small number of ice cubes Piece of string Flame
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Purpose: To find out the densities and to find out the name of the unknown metals. (Based on the extensive and intensive properties) Check up the words mass‚ volume‚ density‚ extensive properties‚ and intensive properties. Where do the units for mass and volume) come from and what do they mean? What is the density of distilled water? What is Archimedes principle? Does temperature affect the density of a solid? Liquid? Gas? Materials: Safety glasses‚ 10‚ 25 or 50 mL graduated cylinders
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Bod Pod • Other models o 3/ 4 compartment models 1.2 Define fat mass‚ fat free mass and total body density • FM o Extractable liquid‚ anhydrous o Density of 0.9007 gcm-3 (at 36C) o Contains no potassium • FFM o Density of 1.1000 gcm-3 (at 36C) o Water content of 72-73% o [K] 68.1mmol.kg-1 • Body Density (BD) o UWW or hydrodensitometry 1.3 Understand how to calculate body density using the equation of Brozek and Siri • Brozek: • BD is then coverted to % body fat (%BF) o %BF = [497
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was to familiarize ourselves with different techniques used in the lab‚ taking proper measurements‚ and how to use the International System of Units (SI). Throughout lab we learned about mas‚ volume‚ length and temperature‚ and to be able determine density and concentration. To be able to documents properly and make effective observations we must be able to understand the International Measurement System. Length‚ temperature‚ time‚ and volume are measured by this system. There are many different
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Aggregates for Concrete Aggregates are inert granular materials such as sand‚ gravel‚ or crushed stone that‚ along with water and cement‚ are an essential ingredient in concrete. Aggregates are the most mined materials in the world. For a good concrete mix‚ aggregates need to be clean‚ hard‚ strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete. Aggregates‚ which account for 60 to 75 percent of the total volume
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thermometer are adjusted to specific densities by the differing amounts of liquid and even the type of liquid within the glass. The different densities will be affected by the waters density‚ which changes as it expands or contracts with temperature difference. As the temperature within the room heats up‚ so does the temperature of the water within the vertical glass tube. Once the water within the thermometer is room temperature‚ the glass bubbles densities will either be more or less dense than
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examined in 5 areas: mass‚ shell solubility‚ volume‚ density‚ and nutrition facts? ‚ Erin MacNeil SL Biology Kathy DeGrasse Halifax Grammar School March 3rd‚ 2013 Section 1.1 Planning (a) * Introduction * Research Question * Hypothesis * Explanation of Hypothesis * Variables Introduction: In this lab‚ M&Ms and Smarties will be compared in five different ways: mass‚ shell solubility‚ volume‚ density‚ and nutrition facts. For each comparison 10 Smarties
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INTRODUCTION Archie Unleashed is an attempt to put the basic log analysis methodology for computing water saturation into a readable reference document. The beginning log analyst or petrophysicist should have little difficulty with the terms and concepts utilized in this paper‚ however‚ most terms are redefined in appendix A. The basic outline of this document closely follows a previous work written for the casual interpeter in log analysis. Archie Unleashed is meant to carry that work one step
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and techniques‚ to gain proficiency in determining volume‚ mass‚ length‚ and temperature of a variety of items using common laboratory measurement devices‚ to learn to combine units to determine density and concentration‚ and to use laboratory equipment to create serial dilutions and determine the density and concentration of each dilution. Procedure: Measure the volume‚ mass‚ length and temperature of a variety of items. Create dilution of sugar water. Data Tables and Observation: Fill out
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