Question

How much heat energy, in kJ, is required to convert 11.9 kg of titanium at its melting point, 1,668 oC from a solid to a liquid?

The latent heat of fusion for titanium is 390 kJ/kg. Round your answer to the nearest kJ.

Answer 1

Heat required $Q = m\lambda$ = $11.9\cdot390 = 4641(kJ).$