Help With Basic Chem

Question

The heat of fusion for naphthalene is 0.148kJ/g.   Calculate the heat energy in joules required to melt 41.45 g of naphthalene.

Heat Energy: J

Answer 1

41.45 g x 0.148 kJ/g x 1000 J/kJ = 6134.6 J = 6130 J (3 sig. figs. based on 0.148 kJ/g)