Question

An ice tray contains 490 g of liquid water at 0°C. Calculate the change in entropy of the water as it freezes slowly and completely at 0°C.

i tired doing -(.49kg)(2.26x106)/273.15K) but im not getting the right answr help pls!

Answer 1

I don't know what the 2.26E6 is. Shouldn't you be using the heat of fusion of water? 333.55kJ/kg ?