How much ice would have to melt to lower the temperature of 355ml of water from 25 degrees C to 6 degrees C?
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First find how much heat is needed
352ml=352g of water
(352g)(4.18J/g c)(-18) = -26484.48 --> convert to kilojoules by dividing by 1000 = 26.48448kj
next use the heat of fusion of water (6.02kj/mol) to cancel out kilojoules
next use molar mass of water (18g/mol) to cancel out moles and you're left with g
your answer should be 79.19g
352ml=352g of water
(352g)(4.18J/g c)(-18) = -26484.48 --> convert to kilojoules by dividing by 1000 = 26.48448kj
next use the heat of fusion of water (6.02kj/mol) to cancel out kilojoules
next use molar mass of water (18g/mol) to cancel out moles and you're left with g
your answer should be 79.19g
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