Hi I am in desperate need of help hahaha <3 The initial temperature of the mixture was +20 °C.
The mixture froze at -1.5 °C.
A total of 165 kJ of internal energy was transferred from the mixture to cool and freeze it.
Specific heat capacity of the mixture = 3500 J/kg °C
Specific latent heat of fusion of the mixture = 255 000 J/kg
Calculate the mass of the mixture.
Give your answer to 2 significant figures