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Specific heat capacity and latent heat capacity

An electric furnace is used to raise the temperature of 37kg of Zic from 20 degrees c to 550 degrees c.
Specific heat capacity of solid zinc: Cs 0.39
Specific heat capacity of liquid zinc: Cl 0.42
Latent heat of fusion of zinc: Lf 113
Melting point of zinc: Tm 692

Calculate the heat energy required to heat the zinc from 20-550 degrees c. (Ans in Kelvin)

Calculate the heat energy required if the heating system is 58% efficient

If the heating must be completed in 15 minutes calculate the power required. (Minutes needs to be in seconds)

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