Name: _____________________________________ Block: _________ Date: _______________ Lab #14: Boyle’s Law Objective: To determine the relationship between the pressure and volume of a gas at constant temperature. Introduction: The relationship of pressure to volume for a gas in a rigid container was first described in 1662 by the Irishborn scientist Sir Robert Boyle (16271691)‚ and is known as Boyle’s Law. As long as the temperature of the gas remains constant‚ the pressure of a gas
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Woolsthorpe‚ England‚ January 4‚ 1643‚ Hannah Newton became the proud mother of a small baby boy. The boy’s father had died three months prior to his son’s birth. So to honor him‚ Mrs. Newton named her son Isaac in remembrance of his father‚ Isaac Newton Sr. However‚ she never dreamed her son‚ descended from the humble farmer‚ would one day become one of the greatest scientific minds in history. After raising young Isaac for three years‚ Mrs. Newton decided to marry Barnebous Smith‚ a wealthy
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Rotor machine From Wikipedia‚ the free encyclopedia (Redirected from Rotor machines) Jump to: navigation‚ search A series of three rotors from an Enigma machine‚ used by Germany during World War II In cryptography‚ a rotor machine is an electro-mechanical device used for encrypting and decrypting secret messages. Rotor machines were the cryptographic state-of-the-art for a brief but prominent period of history; they were in widespread use in the 1930s–1950s. The most famous example is
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The Adding Machine; Elmer L. Rice SUMMARY: The protagonist of this play is named Mr. Zero‚ and other characters are numbered too‚ which gives an idea of the sort of story this is. Elmer Rice was criticizing the modern society and the way its institutions (mindless workplaces‚ loveless marriages…) turn people into faceless automatons. The play is developed into eight scenes‚ which I am going to summarize straightaway. In the first scene‚ we meet Mr. Zero and his wife Mrs. Zero. The whole scene consists
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first lathe machine that was ever developed was the two-person lathe machine which was designed by the Egyptians in about 1300 BC. Primarily‚ there are two things that are achieved in this lathe machine set-up. The first is the turning of the wood working piece manually by a rope and the second is the cutting of shapes in the wood by the use of a sharp tool. As civilizations progressed‚ there have been constant modifications and improvements over the original two-person lathe machine‚ most importantly
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Burger Machine Holdings Corporation‚ more commonly known as Burger Machine ‚ is one of the notable fastfood companies in the Philippines. It is a sub-company of the Gilmore Food Corporation. Unlike Jollibee and other burger chains‚ Burger Machine has always been retailing in outdoor stands instead of shops. History It was created in 1981 by Fe Esperanza S. Rodriguez and a sister who both planned to turn two old small buses into mobile stores‚ an idea they adapted from America. It was their fondness
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“Amazing Grace” by John Newton “Amazing Grace” is a hymn that speaks to the heart and soul of many who are looking for faith‚ forgiveness‚ redemption‚ salvation‚ and grace. John Newton is able to stir the soul with an emotional connection relating salvation. As a hymnist‚ this form of the poetry is categorized as narrative poetry because it tells a story that is sung about salvation‚ whereby he uses figure of speech to express to create a distinctive and imaginative effect‚ and has drawn upon
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ECNG2000 – Electromechanical Energy Conversion Tutorial 4 – DC Machine 1. Describe operation of DC machine (motor and generator) using illustrations. Specifically explain the purpose of: a. brushes d. armature winding b. split ring commutators e. effect of back emf (in operation) c. field winding 2. Draw the different configurations of DC machines a. shunt c. separately excited b. series 3. Develop‚ using Kirchhoff’s laws‚ equation for Ea (armature voltage) in both motoring and generating mode
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Drilling Machine Chapter-4 Drilling machines Any component manufactured has one or more cylindrical hole in them. The process of making a hole is known a drilling. The cutting tool‚ which is used for making holes‚ is known as drill. The drill is a multipoint cutting tool. Definition: Drilling is the operation of making holes in a work piece using a drill bit. The hole is generated by the rotating drill‚ which exerts large force on the work piece clamped rigidly on the machine
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"Backdrop addresses cowboy" by Margaret Atwood Creating a masterful poetic movement through the American mythos‚ Atwood skewers "manifest destiny" by embodying the voice of the Other‚ the discarded "I am." Writing political poetry that artfully confronts dominant ideology – thus exposing the motivation and effects of misrepresentation – is a difficult challenge. The process can easily be derailed by temptations to write strident‚ overly didactic verse that elevates sentiment above nuance and
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