An iron boiler of mass 180 kg contains 560 kg of water at 20âC . A heater supplies energy at the rate of 9.2Ã104 kJ/h.
Part A:
How long does it take for the water to reach the boiling point?
Express your answer using two significant figures.
Part B:
How long does it take for the water to all have changed to steam (including the time to reach the boiling point)?
Express your answer using two significant figures.