Respuesta :

This problem is providing the mass of water that is completely melted, so the amount of heat involved in the process is required and found to be 2986 kJ after the following calculations:

Phase change:

In chemistry, we can quantify the heat involved in a heating or cooling processes by using two concepts; sensible heat and latent heat. The former is calculated when the substance undergoes a temperature change yet the latter when the substance change its phase to another one.

In this case, we are given 8952 g of water that are melted, so the energy absorbed in the process is calculated with:

[tex]Q=m\Delta _mH[/tex]

Where the enthalpy of melting is 333.55 J/g, and therefore, we proceed as follows:

[tex]Q=8952g*333.55\frac{J}{g}*\frac{1kJ}{1000J}\\ \\ Q=2986kJ[/tex]

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