A 0.530 kg sample of liquid water and a sample of ice are placed in a thermally insulated container. The container also contains a device that transfers energy as heat from the liquid water to the ice at a constant rate P, until thermal equilibrium is reached. The temperatures T of the liquid water and the ice are given in Figure as functions of time t; the horizontal scale is set by ts = 80.0 min.(a) What is rate P?(b) What is the initial mass of the ice in the container?(c) When thermal equilibrium is reached, what is the mass of the ice produced in thisprocess?

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40 20 -20 t (min) T (CC)