How much longer will it take to boil half the water away

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A 400-W immersion heater is placed in a pot containing 2.0 litters of water at 20 C.(a) how long will it take to bring the water to boiling temperature assuming that 80% of the available energy is absorbed by the water?(b) how much longer will it take to boil half the water away

Reference no: EM13538212

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