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A certain humidifier operates by raising water to the boiling point and then evaporating it. Every minute 30g of water at 20°c are added to replace the 30g that are evaporated. The latent heat of fusion of water is 333 KJ/Kg, the latent heat of vaporization is 2256 KJ/Kg and specific heat is 4190 J/Kg.k. How many joules per minute does the humidifier require?
I want the steps not only the last answer, thanks a lot

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Thanks!