Answer:
53.3 KJ
Step-by-step explanation:
Data Given:
amount of ice (mass) = 160 gram
heat required to melt ice (Q) =?
Solution:
Latent heat of fusion: the amount of heat that required to melt certain amount of a substance. The total heat absorbed by substance is proportional to the total heat of fusion of the material.
Formula Used
Q = mLf
Q = heat required to melt a substance
m = mass of the substance
Lf =latent heat of fusion
As we know
latent heat of fusion for water (Lf)= 333.4 J/g
So,
put values in above formula
Q = mLf
Q = 160 g x 333.4 J/g
Q = 53344J
convert J to KJ
1000 J = 1 KJ
53344 J = 53344 /1000 = 53.344 KJ
Q = 53.3 KJ