How much heat energy does it require to take 10.0 grams of Tungsten which is ini

Question

How much heat energy does it require to take 10.0 grams of Tungsten which is initially at room temperature (25 degrees Celsius) and melt it?

Liquid Specific Heat (J/kgk) Heat (JkgK) Fusion (J/kg) Material Latent Heat of Melting Point rc) Bolling Point Solid Speclfic 4190 333,550 335,000 398,000 100 102 2467 2575 2800 2870 1750 357 3825 3280 2212 5550 2090 Water Ocean Water Aluminum Copper Gold iron Lead Mercury Platinum Silicon Silver Tungsten 0 2 660 1084 1063 1490 327.5 -38.86 1770 1411 961 3400 4010 900 390 130 450 130 140 130 710 230 130 1090 490 150 820 140 0 180 910 205000 63000 272000 23000 11300 100000 1926000 280 111000 170 193000

Explanation / Answer

heat required = mass * specific heat * change in temperature + latent heat of fusion * mass

melting point = 3400 degree C so,,

change in tepmerature = (3400 - 25)

heat required = 10 * 10^-3 * 130 * (3400 - 25) + 193000 * 10 * 10^-3

heat required to melt = 6317.5 J

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