# How much heat energy is needed to change 2.0 kg of ice at 0°C to water at 0°C?

$160000 C$
We know that latent heat required for melting of ice is $80 C {g}^{-} 1$
So,for $2 K g$ i.e $2000 g$,heat energy required will be $2000 \cdot 80 = 160000 C$