Latent heat of fusion equation
[DOC File]EXPERIMENT 4B - WFU Physics
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The prevalent experiments are these two: the specific heat, c, of an unknown metal; and the latent heat of fusion (solidification), LF, of water into ice. Instead of duplicating those standard experiments, we will attempt to try and find a more unusual constant: the latent heat …
[DOC File]To Measure the Specific Latent heat of Fusion of Ice
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From this equation you can calculate the specific latent heat of fusion of ice. The accepted value is 334,000 J/kg. Try to explain why your experiment gave a different answer. Were your 2 results very different? Data Collection: Record temperature, mass of water and mass of ice in a suitable table.
[DOC File]Heat
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The latent heat of fusion for silver is 8.82 ( 104 J/kg. 5. The United States Bullion Depository at Fort Knox, Kentucky, contains almost half a million standard mint gold bars, each with a mass of 12.4414 kg. Assuming an initial bar temperature of 5.0(C, each bar will melt if it absorbs 2.50 MJ of energy transferred by heat.
[DOC File]12. Heat of Fusion
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( Calculate the heat of fusion for ice (in kJ/mol) using the amount of energy absorbed by the ice and the number of moles of ice in the calorimeter. Use the following equation and record it in Table 9 below. Table 9: Heat of fusion. Ice Trial 1 Ice Trial 2 Show your work Heat of fusion (kJ/mol) 11.
[DOC File]Phase Changes Worksheet
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BONUS: For water, the value for the latent heat of vaporization is 6.8 times greater than the latent heat of fusion. Imagine we were adding heat at a constant rate to a block of ice in a beaker on a hot plate, and it took 4 minutes for the ice to melt completely.
[DOC File]CHANGE OF STATE
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The specific latent heat of fusion is defined as the heat energy required to change unit mass of a substance from the solid to the liquid state at its melting point. Symbol l f The specific latent heat of vapourisation is defined as the quantity of heat required to change unit mass of a substance from the liquid to the vapour state without a ...
[DOC File]Name
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The amount of heat needed to melt a solid depends only on the mass of the solid and the latent heat of fusion of the solid (to fuse means to melt). We have: Equation (1) where. the amount of heat absorbed by the solid to melt it. the mass of the solid. the latent heat of fusion measured in Joules/g
[DOC File]Exp2S95A - University of Notre Dame
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The latent heat of fusion of water, the heat required to change ice to liquid water at 0 C, is 333kJ/kg = 79.5 cal/g. The first law of thermodynamics is a generalization of the law of conservation of energy to include heat and possible changes in internal energy.
[DOC File]Change of State
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The specific heat capacity can be measured using the equation . Measuring specific latent heat of fusion of water Measuring specific latent heat of vaporization of water Experimental set-up Calculation Precaution Before switching on the heater, pack the crushed ice in the two funnels such that the drip rates are steady and about the same.
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