25g of a solid requires 8550j of heat to melt . calculate latent heat of fusion of the substance?
we know that heat supplied is given as
Q = mL
or latent heat
L = Q/m
here,
m = 25g = 0.025 kg
Q = 8550 J
so,
L = 8550 / 0.025
thus, we have
L = 342 kJ/kg