Experiment 1: Thermal Linear Expansion Abstract: The thermal linear expansion of copper and aluminum is the focus of this experiment where the two metals have a tendency to expand their length in response to the change of temperature. Each metals have their own coefficient of linear expansion which describes how the size of an object changes with a change in temperature while the pressure is held constant. We ’re able to determine the theoretical coefficient of linear expansion of the two metals by substituting
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Page 1 of 4 Expansion Devices I. Introduction Expansion devices are basic components of a refrigeration system which carry out two major purposes: (1) the pressure reduction from the condenser to evaporator pressure and (2) the regulation of refrigerant flow into the evaporator. These expansion devices can be generally classified into two types which are namely the fixed opening type (flow area is fixed) and the variable opening type (flow area changes correspondingly with a change in mass
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energy from the high temperature region to the low temperature end. THERMAL EXPANSION (See chp. 16 in Physics Text). Three states of matter are solids liquids and gasses. http://www.chem.purdue.edu/gchelp/liquids/character.html Draw diagrams to show how the molecules are arranged in all three states below. Experiments to illustrate expansion of solids‚ liquids and gasses. (page 103) 1. Expansion of Solids (fig. 16.7) • Bimetallic strip – consists of two different metals
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experienced a marked change in national unity. Territorial expansion had a large effect on national unity in this period. Territorial Expansion was among the great subject of debates during the period 1800-1855. These debates discuss arguments in favor or non-favor of U.S. Expansion. The arguments express concerns‚ fears and advantages the nation will experience by the consequences of expansion. Documents A‚ C‚ D‚ H and I are against territorial expansion. Between 1800 and 1823 the Louisiana Purchase and
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The Rise To Power: The Mongols and The Aztecs The history of these two empires shows how they were able to conquer the different variations of subjects‚ and by this the Mongols had to conquer slightly more technologically advanced populations than the Aztecs had to. Even with being built on different hemispheres and different time periods‚ it is very odd how they compared in becoming popular and prosperous empires‚ until their decline of course. Besides their sad endings‚ their rise‚ as always
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determine the linear expansion of the rod. II. Apparatus: Linear expansion apparatus‚ Brass & Aluminium rods‚ Thermometer‚ Electric heater‚ Steel tape‚ Boiler‚ Rubber hose‚ Extension cord‚ Screw driver. III. Sketch: IV. Data and Results Item Used | Symbol | Unit | Sample Used | | | | Brass | Aluminium | Initial length of Rod | LO | cm | 61cm | 60.8cm | Initial temperature of the Rod | TL | °C | 30°C | 30°C | Final temperature of Rod | TF | °C | 99°C | 99°C | Expansion of the Rod | ∆L
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THEOREM OBJECTIVES Recognize patterns in binomial expansions. Evaluate a binomial coefficient. Expand a binomial raised to a power. Find a particular term in a binomial expansion Understand the principle of mathematical induction. Prove statements using mathematical induction. Definition: BINOMIAL THEOREM Patterns in Binomial Expansions A number of patterns‚ as follows‚ begin to appear when we write the binomial expansion of a b n‚ where n is a positive integer. a
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The United States serves as a giant puzzle. From coast to coast‚ each region of land is slowly being put together. This is very similar to westward expansion. From 1801 to1844‚ westward expansion spread rapidly and America experienced a serious change in national unity. During this period territorial expansion had a very large impact and overall brought Americans together. During the early 1800’s (1800-1823) the Louisiana Purchase and Treaty of 1818 increased national unity. The Louisiana Purchase
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Territorial Expansion Between 1800 and 1850‚ the United States was a nation extending in all possible ways. America experienced a amount change in national unity. Territorial expansion destroyed national unity. Between 1819 and 1824 is when the unified nation of America began to divide and depart from one another. Triggered by the concept of Manifest Destiny‚ people believed that America should extend from “sea to shining sea”. It was the issues of the expansion of slavery into the new territories
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extraordinary societal change to the land between two rivers. Unbeknownst to themselves‚ the Amorites set the model for future land-hungry nomadic groups to follow. Notably‚ the Mongolians in the 13th century followed in the steps of the Amorites to realize a comparable demographic shift. Although both Amorites and Mongols alike were able to succeed in their goals of conquest in their respective regions‚ their relative success in empire building afterwards varied greatly. One significant perceptible phenomenon
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