Ailine Veiga Question: what is the heat of fusion of ice? Hypothesis: To get the heat of fusion of ice we need to determine the Energy it takes to melt the ice and also the mass of the ice and determine the heat of fusion. To determine the mass of the ice melted (m) we start by determine the volume of the water generated when the ice melted. This is the difference between the final volume (v2) and the initial volume (v1). Using the density of water (1.0g/mL)‚ this volume can be converted into mass
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lab‚ we are now able to calculate the molar heat of combustion for paraffin‚ since we have the difference of the mass in candle before/after and the periodic table of elements (for converting g to moles of paraffin). Molar heat of combustion = (kJ of heat)/(mole of fuel) However‚ we do not know how much heat was released nor the mole of fuel (paraffin). In order to find the amount of heat released‚ we use the formula: g=mcΔT. Here‚ g represents the heat‚ m represents the mass of water‚ ΔT represents
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Without an education‚ the children in this country cannot grow up to be informed‚ knowledgeable‚ and involved citizen. Educated people know what matters to them and through education they will know what to stand up for. In time‚ the children of today will be the voting majority of tomorrow. Therefore‚ they must understand their rights; the history‚ current events and issues of America and of the world or American democracy will be in jeopardy. Educated people care about the world and they want
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Name: ______________________________________ Date: ________________________ Student Exploration: Heat Transfer by Conduction Vocabulary: conduction‚ convection‚ insulate‚ radiation‚ thermal conductor‚ thermal energy‚ thermal insulator Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Suppose two frying pans have been left on the stove with the burners on. One of the frying pans has a metal handle and the other has a wooden handle. 1. Which handle do you think you could
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Is The Miami Heat a Dynasty? A sports dynasty is a team that enjoys a period of dominance over the sport‚ generally by winning multiple championship titles. The age old question is what classifies a team as a dynasty? Does the team have to win back to back titles? How many titles must they have? Will they be this dominant in the future? The list of questions sport analysis have is endless. The issue remains that people argue over what defines a team as a dynasty. Todays most popular argument is
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situation for thick pipes is‚ however‚ more complex. [pic] The figure shown above represents the condition in a thick walled pipe. The area for heat flow is proportional to the radius – as may be seen‚ the area at the outside wall of the pipe is much greater than the middle. As a result the temperature gradient is inversely proportional to the radius. The heat flow ‘per unit length of pipe’ at any radius r‚ is [pic] cf. [pic] Note: Area‚[pic] Note there is no length of pipe (l) in this equation
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Steel and heat treatment MILD STEEL Mild steel is also called plain carbon steel. It is the most common type of steel and it price is pretty low. Its composition is around about 0.05%-0.29% carbon content. Mild steel has a relatively low tensile strength but the surface can be hardened through carburizing. It is mostly used where large amounts of steel needs to be formed eg structural steel MEDIUM CARBON STEEL Medium carbon steel has great wear resistance and is used for forged automotive
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In the film ‘In the Heat of the Night‚’ it was portrayed as a civil rights parable and as a crime drama. The film was released in 1967 three years after the Civil Rights Act was legislated; therefore‚ it depicted the racial tension in the 1960s in the town of Sparta‚ Mississippi. Between the film‚ ‘In the Heat of the Night‚’ and class lectures over the 1960s there was a great correlation over the SNCC (Student Nonviolent Coordinating Committee) and the Civil Rights movement‚ including Martin Luther
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Friends‚ than not having anybody by our side to lean on‚ in our time of need?- That shoulder that’s always there to catch your head as it falls‚ driven down by the hardships of life. We can see such emotions through Ruth Prawer Jhabvala’s superb novel “Heat and Dust” and John Lee Hancock’s passionate film “Blind Side”‚ both of which
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It was in August 1998 that the first chinks in the Kinetic Honda Motors Ltd. (Kinetic Honda) armor were reported by Business India. Both Honda and the Firodias of Kinetic were quick to deny rumors of a split‚ though reports of the Firodias quietly raising resources to buy out Honda’s stake kept surfacing. The Firodias were even reported to have securitised the assets of their two-wheeler finance company - 20th Century Kinetic Finance (TCKF) - to raise this money. Trouble had been brewing since
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