How much heat is required to convert solid ice with a mass of 965 g and at a temperature of -15.5 °C to liquid?
How much heat is required to convert solid ice with a mass of 965 g and at a temperature of -15.5 °C to liquid water at a temperature of 50.0 °C? (The specific heat of ice is cice = 2100 J/kgK, the specific heat of water is cwater = 4186.8 J/kgK, and the heat of fusion for water is: Lf = 334 kJ/kg.)
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Total heat to melt the ice = 0.965kg * ((2100 * 15.5) + 334000 + (4186.8*50))J/kg
= 555788.85 J
Let's call it 556 kJ to 3 sig figs !