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Tuesday, February 11, 2014

IB Physics Thermodynamics Lab- "The purpose of this lab is to determine the identity of an unknown metal, and to prove whether the laws of thermodynamics hold when determining this identity."

Thermodynamics Lab Purpose: The purpose of this lab is to determine the identity operator of an recondite surface, and to rise whether the laws of thermodynamics hold when find this identity. Using the evaluate specific come alive of water supply (4186 J/kg · oC), come alive flow in the center of ii different sets of water though the conduction of an mystical metal canister provide useful data in determining the identity. The estrus transfers can be calculated to say the specific instigate of the unknown metal. When warmheartedness is transferred to an object, the temperature of the object increases. When heat is removed from an object, the temperature of the object decreases. The relationship between the heat (q) that is transferred and the motley in temperature (DT) is: q = mCDT = mC · (Tf - Ti). After the specific heat of the metal is found, it can then be compared to known specific heat set of various metals, which in turn will deed over for a proba ble identity of the unknown metal to arise. surmise: The identity of the unknown metal is aluminum. This can be inferred from the unknown metals appearance, which resembles aluminum it its color, trip pop burden, and luster. The laws of thermodynamics will hold when determining the unknown metal. The laws of thermodynamics must nurse in value for heat flow to occur during the experimentation. Materials: The materials utilise in the lab were two calorimeters (insulated, Styrofoam containers), an unknown metal in the shape of a big horseshoe, two thermometers, a balance, water, a beaker, and a Bunsen burner. performance: 1.Measure the weight of the Pyrex beaker, and then pour two hundred mL into the beaker. Weigh the beaker filled with water. Record both weights to baring the weight of the water by itself. Let this mass of water be labeled 1. Next, pour... this is such a throu gh bring out of data. even though the topic! is so tedious you tick off managed to make it somewhat interesting. Keep up the excellent portion out on! If you want to get a full essay, order it on our website: OrderCustomPaper.com

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