How much energy is needed to melt 25.4g of iodine? DeltaH fusion = 61.7J/g

1 Answer
Al E.
May 6, 2018

Enthalpy of fusion is the heat energy required to facilitate a phase change from solid to liquid.

Given,

#DeltaH_"fus" = (61.7"J")/"g"#

Hence,

#25.4"g" * (61.7"J")/"g" approx 1.57*10^3"J"#

is the energy required to melt the given mass of iodine.

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