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If 50 grams of water start to boil, then how much heat must be added to completely boil off the water? The latent heat of vaporization is 2,260,000 J/kg

User Irfanuddin
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Heat=m*Lv where m is mass and Lv is latent heat of vaporization. So... you will change 50g to kg which is 0.05kg multiply it by 2,260,000J/kg you will get 113000J. :)
User Dasl
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