A.) how much heat transfer (in kj) is necessary to raise the temperature of a 0.250 kg piece of ice from −16.0°c to 132°c, including the energy needed for phase changes? (assume the substance remains at a constant volume throughout each stage of the heating process.) b.) how much time (in s) is required for each stage, assuming a constant 19.5 kj/s rate of heat transfer? (enter your answers as a comma-separated list. enter your times in order from the earliest stage to the final stage of the heating process.)