Question

How many calories of heat are required to change 1 gram of ice at 0°C to liquid water at 0°C?

Answer 1

Given:

The amount of ice is,

$m=1\text{ g}$

To find:

The amount of heat is required to change 1 gram of ice at 0°C to liquid water at 0°C

Explanation:

The latent heat for melting of ice is,

$L=80\text{ cal/g}$

The amount of heat for the ice to melt is and become water at

$0\text{ }\degree C$

is,

$\begin{gathered} H=mL \\ =1\times80 \\ =80\text{ cal} \end{gathered}$

Hence, the amount of heat is 80 cal.