8/11/14 The purpose of this lab is to calculate the density of aluminum with different masses and volumes of aluminum bits and water. Aluminum Bits balance graduated cylinder water cupcake liners paper towels 1. First‚ get materials ready for the experiment by cleaning and/or drying materials 2. Mass the cupcake liner 3. Add water to the graduated cylinder and record the volume of water added. 4. Place some aluminum pebbles into the cupcake liner and place it on the balance. Record
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In this lab‚ there was a comparison between accuracy and precision of densities measured by volume. Mass measurements are often used units in the metric system. Volume can be examined a borrowed unit. The volume measurements were made in mL. Every measurement had a level of hesitancy affiliated with it. The experiment could feel uncertain from the object used for measurement and from the accuracy of the person doing the measuring of the volume. Because of this uncertainty‚ the experiment must be
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There were several drops of the water cling to the beaker. This may increase the actual mass of water in each trial. In the density part‚ the mass and density of zinc electrode was measured and calculated to determine the accuracy of the measurement. The result shows that the densities of zinc electrode in two trials are 6.2±1.6 g/cm3 and 9.4±3.8 g/cm3 (The average density is 7.8±3.8 g/cm3)‚ which is not quite accurate‚ compared to the standard of solid zinc density1 (7.14 g/cm3)1. The random error
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Procedure: Using distilled water‚ premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius‚ Fahrenheit and Kelvin. Purpose: Weighing objects. Figuring out the density with an object by calculated volume and Archimedes’ Principle. obseRvations Data Table 1: Length measurements. Object Length (cm) Length
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calculating the mass and dividing it by the volume to get the density‚ then compare densities. 44. A student has several different-size samples of substances I and II. She measures the masses and volumes of these samples and plots the graphs shown in Figure D page 67. Which substance has greater density? How do you know? 2 2 more dense because it doesn’t rise as fast as number one. 45. How can you determine the density of ice? Can you determine the volume of the ice by melting it
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with estimated mass to actual mass do to more experiments. The data 5 able to get knowledge of density by using digital scale and common products salt and isopropyl alcohol; we gain from this experiment‚ that more saturated solution the higher it mass. After we used irregular objects metal bolt and magnet to find a density and used displacement method‚ it recorded under data 6; by using the formula density equal to the mass of its volume. The 7th data using Archimedes’ Method‚ noted that using irregular
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reading h = 0.7 m‚ and depth L = 12 m. Q.2 (from Street‚ Watters‚ and Vennard) The weight density γ = ρg of water in the ocean may be calculated from the empirical relation γ = γo + K(h1/2)‚ in which h is the depth below the ocean surface‚ K a constant‚ and γo weight density at the ocean surface. Derive an expression for the pressure at any depth h in terms of γo‚ h and K. Calculate the weight density and pressure at a depth of 3.22 km‚ assuming γo = 10 kN/m3‚ h in meters‚ and K = 7.08 N/m7/2
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Main idea: Buoyancy of an object is determined by properties of the object as well as properties of the fluid surrounding it. density=mass/volume More dense at bottom The result of pressure exerted equally in all horizontal directions by water. Pressure at bottom greater than at top A substance that is able to take the shape of any container that holds it. If a density is less than that of water (or the liquid it is floating in) acts against buoyant force A buoyant force on an object is equal
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Laboratory Report Sheet Experiment # ___ Analysis of Milk Nova Isablel Agan March 8‚ 2013 Alethea Dapac Score: Objective: Apparatus: beaker‚ stirring rod‚ graduated cylinder‚ test tube‚ water bath‚ test tube holder‚ evaporating dish‚ dropper‚ filter paper‚ pH paper‚ tripod‚ funnel‚ Erlenmeyer flask‚ Chemical symbol: Procedure: [Preparation of 100 ml whole milk] * 50 ml of milk was placed in a beaker and was diluted with
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Compaction Courtesy of U.S. WICK DRAIN‚ INC. 1 1. Soil Improvement 2 1 1.1 Methods for Soil Improvement Ground Reinforcement • • • • • • • • • • • Stone Columns Soil Nails Deep Soil Nailing Micropiles (Mini-piles) Jet Grouting Ground Anchors Geosynthetics Fiber Reinforcement Lime Columns Vibro-Concrete Column Mechanically Stabilized Earth • Biotechnical Ground Improvement • Deep Dynamic Compaction • Drainage/Surcharge • Electro-osmosis • Compaction grouting • Blasting • Surface
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