Determine the change in thermal energy of 100 g of copper (m = 63,5, debye 348k) if it is cooled from
(a) 300 k to 4 k,
(b) 78 k to 4 k
(c) 20 k to 4 k.
if the latent heat of liquid he is 2700 j. l -1 , calculate how much he is needed to bring the cooling about in each case.
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Determine the change in thermal energy of 100 g of copper (m = 63,5, debye 348k) if it is cooled fro...
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