Report 1: Chemistry 1502ENG Date of Experiment: 17/08/2010 Due Date: 31/08/2010 Introduction: In comparison to solids and liquids‚ gases have many distinctive characteristics such as‚ it’s compressibility and it’s ability to obtain the volume (shape) of its container. Such properties of gases are vital to society and industries for essential science based theory. Boyle’s Law sometimes referred as the Boyle-Mariotte Law is one of several gas laws as well as a special case of the Ideal Gas
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Introduction: Density is defined by its mass per unit volume‚ and is most often written in mathematical terms as; d = m / v Mass is usually given in grams‚ g‚ and volume is given in cubic centimeters‚ g/cm3‚ or‚ grams per milliliter‚ g/mL. Density is not a property that depends upon the amount of substance present. For example‚ one gram of lead and one ton of lead have the same density. Density also does depend on temperature. For instance cold water is denser than warm water;
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MEASUREMENT OF PHYSICAL PROPERTIES: DENSITY Introduction According to the definition Density is the physical property that allows us to compare the mass of substances for a specific volume. In this Lab activity that took place in Deree College‚ Agia Paraskevi Campus we deal with the density of solids and density of liquids. The main purpose of this experiment is to understand what in reality density means‚ how we can measure it‚ how useful it is‚ what is the difference between density of solids
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Chemistry June Exam Notes Quantities in Chemical Reactions Molecular and formula mass o The mass of one unit of a compound (a molecule or a formula unit) o The sum of the mass of all the atoms in a compound o With knowledge of the mass of each individual atom‚ the percentage composition by mass can be determined The Mole (mol) o A counting unit‚ one mole refers to 6.02 x 1023 particles of any given substance o Known as Avogadro’s Constant and given the symbol NA Molar Mass o The
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density than water will sink. So whichever object has a density more than 1g/cm³ will sink in water. This is known as relative density where the density of the substance is compared to the density of water. Hence‚ the object that has a greater mass: volume ratio than water will sink. Materials- * 1 measuring cylinder * 1 rectangular prism * 1 ball of plasticine * 1 cylinder * 1 cube * 1 micrometer * 1 vernier calliper * 1 balance Variables- Independent- The object
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etc) THEORY Density is one of the useful quantities scientists use to identify different materials with‚ given by: Density = Mass/Volume The volume of a cylinder is: V = πr2h To find the volume of an irregular solid‚ we submerge it in a graduated cylinder and measure the volume of water it displaces. PROCEDURE 1) Determine the mass of each cylinder‚ the copper wire and the irregular solid. 2) Determine the zero reading of the
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sample of metal has a mass of 85.6 grams and a volume of 12.1 mL. What’s the density of metal x? Given: M = 85.6 g V = 12.1 mL D = ? D = M / V = 85.6 / 12.1 = 7.07438016529 g/mL Therefore‚ the density of metal x is about 7.074 g/mL. 4. A metal bar has a density of 19.3 g/mL and a mass of 50 g. What’s the volume of the bar? Given: M = 50 g V = ? D = 19.3 g/mL V = M / D = 50 / 19.3 = 2.59067357513 mL Therefore‚ the volume of the bar is about 2.591 mL. Procedure:
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Density of a regular shaped object Object Mass / g ± 0.05 g * Length / cm ± 0.003 cm ** Width / cm ± 0.003 cm ** Height / cm ± 0.003 cm ** T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 A 44.9 5.975 5.980 5.980 5.980 5.975 1.500 1.500 1.500 1.500 1.500 0.600 0.600 0.605 0.600 0.600 B 16.5 4.400 4.395 4.400 4.395 4.395 1.500 1.500 1.495 1.500 1.495 0.300 0.305 0.305 0.300 0.300 C 22.5 3.000 2.995 3.000 3.000 3.000 1.500 1.505 1.495 1.500 1.500 0.600 0.595 0.600 0.595 0.595 D 22.6 6.005 6
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collected because they will complete the formula: Density = mass / volume The mass can be measured by using a balance. The length and width can be measured by using a meter stick. The mass found with the balance will go into the mass area of the formula. The length and width will be part of the volume portion of the formula. The volume part of the formula will also have the undetermined variable of the thickness. This is the case because: Volume = (Length) (Width) (Thickness) In order to make an equation
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DEVELOPMENT OF COST ESTIMATION OF EQUATIONS FOR FORGING A thesis presented to the faculty of the Russ Engineering and Technology of Ohio University the Russ College ofCollege of Engineering and Technology of Ohio University In partial fulfillment of the requirements for the degree Master of Science John C. Rankin November 2005 APPROVAL PAGE This thesis entitled DEVELOPMENT OF COST ESTIMATION OF EQUATIONS FOR FORGING by John C. Rankin JOHN C. RANKIN has been approved for the Department
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