(Answered) An iron boiler of massnbsp236nbspkg containsnbsp870nbspkg

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An iron boiler of mass 236 kg contains 870 kg of water at 19°C. A heater supplies energy at the rate of 51900 kJ/h.

(a) How long does it take for the water to reach the boiling point?

_______h

(b) How long does it take for the water to all have changed to steam?

_______h

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