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In a calorimeter, 6.68 kJ of heat was absorbed by 20 g of ice. What is the enthalpy of fusion of the ice? q=m∆ahf

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Answer : The enthalpy of fusion of ice is, 334 J

Solution :

Formula used :


q=m* \Delta H_(fusion)

Where,

q = heat absorb = 6.68 KJ = 6680 J

m = mass of ice = 20 g


\Delta H_(fusion) = enthalpy of fusion of ice = ?

Now put all the given values in this formula, we get the enthalpy of fusion of ice.


6680J=(20g)* \Delta H_(fusion)


\Delta H_(fusion)=334J

Therefore, the enthalpy of fusion of ice is, 334 J

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