Question

calculate the heat required to melt a block of ice of mass 20 gram at -20 degree calcies into water at 0 degree calcies.Given specific heat of ice 0.5cal/gram. latent heat of ice 80 cal/gram​

Answer 1

Answer:

140 calorie

Explanation:

(m×L) + (m×c×∆T)

(20×80) +(20×0.5×(-20-0))

160+(-20)

140 cal