Specific gravity What is specific gravity? Archimedes discovered that the weight of body in air minus its weight in water is equivalent to the weight of the water displaced by the body. Specific gravity is defined as "The weight of a body compared with the weight of an equal amount of pure water at 4°C (4°C is the temperature at which water is densest). When a body is placed in water‚ the volume of water displaced is equal to the volume of the body. When the body is placed in water that it
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literal meaning‚ was a benchmark of 17th century industry. That is‚ of course‚ until the birth of an engine engineered to run on steam. The invention and implementation of an efficient steam engine sparked global industrial revolutions that defined economies. The concept of utilizing steam to produce power was not unheard of before the 17th century. The observation of steams potential to produce power was recorded as early as 130 BCE by Hero‚ the Elder of Alexandria. In his works titled Pneumatics
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Introduction: Specific gravity or relative density is the ratio of the density of a substance to the density of a given reference material. Specific gravity usually means relative density with respect to water. Temperature and pressure must be specified for both the sample and the reference. The following formula is used- Specific gravity= density of sample/density of same volume of water. Specific gravity is commonly used as a simple means of obtaining information about the concentration of solutions
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Cheryl Baclit Chem 234 Experiment 4: Steam Distillation Introduction The purpose of this experiment is to extract Eugenol from Cloves using steam distillation as a purification technique and to transfer Eugenol from the aqueous phase to the MeCl2 phase. With steam distillation‚ the boiling point of a mixture of immiscible liquids is lower than the boiling points of the individual components. Water from the steam is one of the components of an immiscible liquid mixture. The vapor pressures of
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Steam Distillation Purpose: To use steam distillation to purify heat sensitive‚ natural products‚ like essential oils. Procedure Please refer to: Williamson‚ Macroscale &Microscale Organic Experiments 4th Ed.‚ pgs.98-109 Results Table 1.1: Steam distillation Drop # (every third drop) Temperature (ºC) Addition of 0.5 mL water 1 100.3 Water added 2 100.5 3 100.5 Water added 4 100.6 Water added 5 100.6 6 100.6 Water added 7 100.6 8 100.6 Water added 9 100.3 10 100.6
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This is a Newspaper on Steam engines. The Watt steam engine (alternatively known as the Boulton and Watt steam engine) was the first type of steam engine to make use of steam the new design replaced Newcomen engines in areas where coal was expensive‚ and then went on to be used in the place of most natural power sources such as wind and water. A Scottish instrument maker‚ James Watt‚ was given the job in 1763 of repairing a model Newcomen engine for the University of Glasgow‚ and noted how inefficient
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Contents Defying Gravity M.C. Herden Abstract: This report will investigate two theories about gravity‚ these including Aristotle’s theory‚ of which states‚ the heavier the object‚ the faster it falls‚ alongside Galileo’s trialed theory; Two object of different masses‚ when dropped from the same height will reach the ground at the same time. Correspondingly‚ this investigation shall trail and prove correct Galileo’s theory of gravity. Introduction and Background: Gravity is the attraction
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Pendulums and Gravity Ashu Mishra B2 Physics Pooja‚ Logan Meyer Please read #’s 1-8 before you read the bottom section 1. 2. 3. 4. 5. 6. 7. 8. 9. formula for solving the period of a pendulum 10. derivation from #9 to solve for gravity The gravity is inversely proportional to the period Number 5 shows that if there is more gravity and everything else is constant then angular acceleration increases which can be assumed to reduce the period therefore gravity is inversely proportional
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Center of Gravity The point in a body or system of bodies at which the whole mass may be considered as concentrated. When an object’s weight is distributed uniformly‚ the center of gravity lies at its geometrical center. For irregular shaped objects‚ the center of gravity is near to the concentration of its mass. Equation: Where: X= center of gravity xi= distance of the objects from fulcrum or arbitrary axis mi= mass of the object Sample Problems 1.) Suppose your lab partner has
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