Heat needed to melt 50 g of ice $0^{\circ} \mathrm{C}$ is (latent heat of fusion of $\omega$ is $80

Question

Heat needed to melt 50 g of ice $0^{\circ} \mathrm{C}$ is (latent heat of fusion of $\omega$ is $80 \mathrm{cal} / \mathrm{g}$ ).

Professor PC Thomas Classes · Answer

Heat required $Q = mL = 50 	imes 80 = 4000 \mathrm{cal}$.