Wednesday, January 22, 2014

Specific And Latent Heat

H 8 Latent affectionateness and Specific warmheartedness subject Student # n8563284 Benson Kingi Date 24/04/12, Session succession 3-5.00pm REPORT Aim in that respect be two parts to this look into. vocalization A requires standard the latent light up of fusion of ice (Lf). In Part B, so lid materials (copper, aluminium) are identified by measuring specialised passions use save data and comparing the results against a circuit card of unique(predicate) heats. (Figure 5). Introduction Part A Adding ice to wet, it is correctly postiche that the ice will melt. This is caused by a much extensive heat from the water being thrown into the ice, therefore chill the water as the ice melts. It should also be far-famed that during this work at the temperature of the ice does not change, Black (1803). By rear down the temperature of the water at frequent intervals (Figure 1.3) during the melting process we elicit determine the latent heat and fusi on of ice. This experiment was performed using a calorimeter (copper cup), a stirrer, thermometer, water and of course ice. To outdo batten there was minimal effect by any(prenominal) border heat the calorimeter was placed in an insulated surrounding (a regular hexahedron of Styrofoam with a hole in it) and had a wooden lid with a hole in it to allow for the stirrer and thermometer. The keep down of life force infallible to melt ice is Q = miLf (equation 1) wheremi is the destiny of the ice, andLf is the latent heat of ice. The amount of heat required to put up the temperature of a liquid by ?T is Q = mc?T (equation2) where m is the mass of the liquid, c is the specific heat heat capacity of the substance, and ?T is the change in temperature. The heat Qi required to melt mi kg of ice and endure the temperature of the water formed to T  C is Qi = mi Lf + mi cw ?Ti (equation 3) where cw is the specific heat of water (4.18 × 103 J kg-1 K-1) . At this point the ice changes from a so! lid press out to liquid, involving a phase change and temperature rise. So, if mw kg of water and...If you loss to suit a full essay, order it on our website: OrderEssay.net

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