At a steel mill a 50 kg chunk of iron at 22 celsius is, Ask an Expert

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At a steel mill a 50 Kg chunk of iron at 22 Celsius is heated to it's melting point , completely melted , and the heated more to a final temperature of 1800 Celsius.

A) How much energy is required to heat the iron to it's melting point?

B) How much energy is required to melt the iron once it reaches it's melting point?

C) How mcuh energy is needed to iron the rest of the way to 1800 Celsius after it melts? Assume the same specific heat.

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