Question

Material Melt Pt(°C) Lf(J/Kg) Boil Pt(°C) Lv(J/Kg) c (J/Kg*C)
Gold 1063 6.28•10⁴ 2808 1.72•10⁶ 126



A smith needs to melt 0.0500 kg of gold at 21.0°C. How much heat must be added? (Remember, she has to heat it to the melting point first.) (Unit=J)