Asked by diana
Does anyone know how much heat do I need to convert 95g. of ice at -25 C. to water at 30 C. the heat capacity of H2O(s) is 2.1 J/g*C.
Answers
Answered by
DrBob222
q1 = heat to move ice at -25C to zero C.
q1 = mass ice x specific heat ice x (25)
q2 = heat to melt ice at zero C to liquid water at zero C.
q2 = mass ice x heat fusion.
q3 = heat to move liquid water at zero C to 30C.
q3 = mass water x specific heat water x (Tfinal-Tinitial)
Total heat = q1 + q2 + q3.
q1 = mass ice x specific heat ice x (25)
q2 = heat to melt ice at zero C to liquid water at zero C.
q2 = mass ice x heat fusion.
q3 = heat to move liquid water at zero C to 30C.
q3 = mass water x specific heat water x (Tfinal-Tinitial)
Total heat = q1 + q2 + q3.
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