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Given data:

Ice mass 2.0kg

Immersion heater 200w

Initial ice temp -10dec c

This is the question:

Draw a graph, with labelled axes, to show how the temperature varies, with time when a block of ice of mass 2.0kg, has an immersion heater placed in ut, power 200w. The ice is initally at -10deg c continue the graph until the temp of water vapour is 110 deg c. SHC of water is 1400 J kg K

I have tried it using Q=mcdelta T

and then Time = Q/P

Can anyone help please?