Question

(a)

How much heat transfer (in kJ) is necessary to raise the temperature of a 0.210 kg piece of ice from −24.0°C to 134°C, including the energy needed for phase changes? (Assume the substance remains at a constant volume throughout each stage of the heating process.)

kJ

(b)

How much time (in s) is required for each stage, assuming a constant 20.5 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.)

t =

(c)

Make a graph of temperature versus time for this process.

Answer 1

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