How much energy is required to heat 23 grams of iron from 1150 degrees celsius to 2000 degrees Celsius? The melting point of iron is 1538 degrees celsius and the specific heat capacity is 0.444 J/g*C when it is in a solid and 0.450 J/g* C when it is liquified. Latent heat of Fusion of iron is 13.8kj/mol and Latent Heat of Vaporization of iron 349.6 kj/mol​