determine the density and specific gravity of solids and liquids applying Archimedes’ Principle. To determine the density of solids (Part A) and the specific gravity of two unknown liquid sample (Part B)‚ they had made use of platform balance to measure the mass of the metal sample tied by a string in air and then submerged inside a 250-ml beaker filled with water. They had computed the specific gravity of each sample metal using a formula‚ weight in the liquid‚ loss of weight in the liquid and computed
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experiments). 1.1 MEASUREMENT OF THE DENSITY OF A LIQUID 1.1.1 Objective The density of a liquid is to be measured using a hydrometer. 1.1.2 Theory A hydrometer uses the principle of buoyancy to determine the specific gravity of a liquid. Here‚ the weight of the hydrometer (set by the metal spheres in its bulb) is balanced by the buoyancy force exerted by the liquid in which it is immersed. The buoyancy force is the weight of the liquid displaced by the solid. Figure 1.1 presents
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Material needed to record data x1 * Water 1897.5ml * Ethanol 1265ml * Sun Flower Oil 1265ml * Fruit syrup 632.5ml Method 1. First set up the experiment‚ this requires you to fill the water tight box you picked out earlier with enough liquid to submerge the pendulum completely‚ to set up the pendulum‚ and to put together the compound pendulum on the clamp that will fit well with the water tight box‚ make sure that the pendulum will be completely submerged‚ also remember to make sure the
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I LIQUID STATE ii GASES STATE In solid molecules are very closed spaced where as liquids. The spacing b/w the different molecules is relatively large and in gases the spacing b/w molecules is still large Its means the intermolecular cohesive forces are large in solids‚ smaller in gases and extremely small in gases and on account of this fact solids posses compact and regional form‚ liquids molecules
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Solutions (Week-01) Chapter-01 1-12 A plastic tank is filled with water. The weight of the combined system is to be determined. Assumptions The density of water is constant throughout. Properties The density of water is given to be = 1000 kg/m3. Analysis The mass of the water in the tank and the total mass are mw =V =(1000 kg/m3)(0.2 m3) = 200 kg mtotal = mw + mtank = 200 + 3 = 203 kg Thus‚ 1-14 The variation of gravitational acceleration above the sea level is given as
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Nutrition Density Essay After having calculated the nutrient density of seven food groups in a spreadsheet‚ the food group that came to have the highest Nutrient Density was the vegetable group obtaining an average of 7.76712 Nutrient Density. The food group that came to have the lowest Nutrient Density was the “junk food” group‚ having an average of 0.24845 Nutrient Density. One of the factors that contribute to foods having a high or low Nutrient Density is the amount of calories. I noticed that
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depending on the ground’s height above sea level. Boiling When a liquid vaporises. Capillary action When water is drawn up between close fitting surfaces. Compression force A crushing force. Condensation When a gas turns into a liquid. Conduction Method by which solids transfer heat. Convection Method by which liquids and gases transfer heat. Corrosion The deterioration of metals that occurs on contact with liquids. Ductility Ductility is the ability of a material to withstand distortion
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Apparatus INTRODUCTION Density is defined as mass per unit volume. The commonly used unit to indicate the density of water is (g/cm3). Water never has an absolute density because its density varies with temperature. Water has its maximum density of 1 g/cm3 at 4oC. When the temperature changes from either greater or less than 4oC‚ the density will become less than 1g/cm3 only when it is pure water. Other factors that can affect water’s density whether it is tap water‚ fresh water or
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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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11‚ 2013 Title: Laboratory Techniques and Measurements Purpose: To gain knowledge about the International System of Units and use it to determine volume‚ mass‚ length‚ and temperature. To learn to use these forms of measurement to determine density and concentration‚ as well as learning basic lab equipment to create dilutions. Procedure: Part 1: After reading the various information given‚ I gathered different objects and measured them using both centimeters and millimeters then converted
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