Hvap 40.65 kJ/mol

Question

Hf -285.83 kJ/mol
Hfusion 6.03 kJ/mol
specific heat 4.186 J/gC
molar mass 18.02 g
How much energy is consumed by thawing 4.3 g ice?

Answer 1

If the ice is at zero C, then 4.3 x(1 mol/18 g) x 6.03 kJ/mol = ?kJ.