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28-08-2018
Chemistry

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What is the heat in joules required to convert 75.0 grams of water into steam if the ^Hvap of water is 2257j/g?

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28-08-2018

169 000 J. It takes 169 000 J to convert 75.0 g of water to steam.

q = mΔHvap = 75.0 g x (2257 J/1 g) = 169 000 J

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