How much total heat transfer is necessary to lower the temperature of 0.215 kg0.215 kg of steam from 133.5 ∘C133.5⁢ ∘C to −23.5 ∘C,−23.5⁢ ∘C, including the energy for phase changes? How much time is required for each stage of this process, assuming a constant 875.0 W875.0 W rate of heat exchange? Give the times in the order that the stages occur.

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