Question

what is the heat energy required to melt 10kg ice at 0c​

Answer 1

Explanation:

the heat energy required is just at room temperature because the melting point of ice is at 0° celsius

Answer 2

Answer:

Sop long as we’re not too far from the classic zero-C melting temperature for water - no high pressures or such, then there are three numbers needed:

Heat Capacity of ice, in the neighborhood of 0 C: 2kJ/kg

Heat capacity of liquid water in the neighborhood of 0 C: 4.18 kJ/kg

Heat of fusion for water at 1 atm: 333.55 kJ/kg (the energy needed to break all those bonds at 0C, to transform solid water to liquid water, with no change in temperature.

For 10 kg, multiply the numbers above by 10.

Let T1 be the number of degrees C below 0C that is the initial temperature of the ice.

Let T2 be the number of degrees above 0C that the final ‘water at the same temperature’ is.

The energy needed (in Joules) then will be:

10 x (2xT1 +333.55 + 4.18 x T2)

Explanation:

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