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chawki
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Homework Statement
The ice piece of 380 g was taken from the deep-freezer, temperature was -9,6 °C, and well insulated container to the being stone-cold ( 0 °C) water. Inside the Ice piece was small temperature detector.
When temperature of the the ice piece had balanced 0 °C. part of the water was frozen
to the surface. Ice was taken from water and were weighed again, the result gots 403 g.
Homework Equations
a) How much energy was released from the water amount, which froze.
b) Define the ice specific heat capacity.
Ice specific heat of fusion is 334 kJ/kg.
The Attempt at a Solution
a)
we calculate Q ? but with which mass
Q=m*Cp.T