An immersion heater at 500 W is fitted into a large block of ice at 0'C. how long does it take to melt 1.5 kg of ice ?
1 Answer
Feb 21, 2015
It would take
The latent heat of fusion of ice = 333J/g
The mass of ice = 1.5kg =
So the amount of heat energy required to melt the ice =
The power rating of the heater = 500W. This means it is delivering 500 Joules per second.
So it will take