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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find out the densities of the three balls‚ the following formula was used: Density= (mass of the ball)/(Volume of the ball)= mass/(4/3 π r^3 ) Density of 2mm ball = (0.04⁄1000)/(4/3 π 〖(0.001)〗^3 )=9551 kg/m^3 Density of 3 mm ball = (0.075⁄1000)/(4/3 π 〖(0.0015)〗^3 )=5305.16 kg/m^3 Density of 3 mm ball = (0.11⁄1000)/(4/3 π 〖(0.0020)〗^3 )=3282.57 kg/m^3 Accordingly‚ the average density of the three balls is: Avarage Density= (9551+5305.16+3282.57)/3 Avarage density=6046.24 kg/m^3
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Jashandeep Gill Gammellos Chemistry Density is one of the fundamental principles of physics. Density is the reason why a plank of wood floats on water while a piece of metal several times smaller will sink. Density of an object is measured in g/cm³ or g/cc. The equation is D=M/V‚ D being the density of the object‚ M being the mass of the object‚ and V being the volume of the object. Mass is the space an object takes up. It is the amount of matter present in an object. Mass is measured using
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Surface Tension of Liquids Karen Mae L. Fernan Department of Chemistry‚ Xavier University-Ateneo de Cagayan‚ Philippines Date performed: Nov. 22‚ 2012 ∙ Date Submitted: January 16‚ 2013 E-mail: fernankarenmae26@yahoo.com ------------------------------------------------------------------------------------------------------------------------------- Abstract Surface tension is defined as the energy or work required to increase the surface area of a liquid due to intermolecular forces
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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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Mass B-A Liquid Volume (ml) Graduated cylinder (g) Graduated cylinder Liquid (g) Liquid (g) Density g/ml % Error Water 5ml 18.85g 23.4g 4.55g 0.91g/ml Isopropyl alcohol 5ml 18.85g 23.0g 4.15g 0.83g/ml Object Mass (g) Length (cm) Width (cm) Height (cm) Volume (cm3) Density (g/ cm3) Magnet 4.35g 2.55cm .6cm .6cm .918 cm3 4.74g/cm3 Object Mass (g) Initial volume of Graduated cylinder (ml) Final volume of Graduated cylinder (ml) Object volume (ml) Density (g/ml)
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stylish thermometer used in people’s homes today is based off of a thermo scope Galileo invented in the early 1600’s. Although not exact‚ the Galileo thermometer is moderately accurate. The thermometer has several glass blown bubbles‚ with a colored liquid inside which is just for decoration. The bubbles have metal tags attached to the bottom of them with an engraved number on it‚ for example seventy‚ for seventy degrees Fahrenheit. The glass bubbles float in a water filled glass tube‚ which may vary
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.0223kg | 3 Quarters‚ 1 Dime‚ 5 Pennies | 30g | 33.5g | .0335kg | Key | 14g | 8.8g | .0088kk | Key‚ 1 Quarter‚ 4 Pennies | 27g | 25.1g | .0251kg | Data Table 4: Liquid measurements. | | | Mass A | Mass B | Mass B - A | | | Liquid | Volume(mL) | GraduatedCylinder (g) | GraduatedCylinderwith liquid (g) | Liquid (g) | Densityg/mL | %Error | Water | 5ml | 16.4g | 21.5g | 5.1g | 1.02g/ml | 2% | Isopropyl alcohol | 5ml | 16.4g | 20.6g | 4g | .08g/ml | 1.78% | Data Table 5: Magnet
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the separation of a suspension into a supernatant clear fluid and a rather dense slurry containing a higher concentration of solid. According to Perry ()‚ sedimentation is the partial separation or concentration of suspended solid particles from a liquid by gravity settling. This field may be divided into the functional operations of thickening‚ whose purpose is to increase the concentration of suspended solids in a feed stream; and clarification whose purpose is to remove a relatively small quantity
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vertical U tube of uniform cross section contains mercury in both of its arms. A glycerine (d = 1.3 g/cm3) column of length 10cm is introduced into one of the arms. Oil of density 0.8g/cm3 is poured in the other arm until the upper surfaces of the oil and glycerine are in the same horizontal level. Find the length of oil column. Density of mercury is 13.6 g/cm3. (9.6cm) 2. Two communicating cylindrical tubes contain mercury. The diameter of one vessel is four times larger than the
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