Posted by Anonymous on Saturday, October 11, 2008 at 10:01pm.
How long would it take for 1.50 moles of water at 100.0 to be converted completely into steam if heat were added at a constant rate of 19.0 j/s ?

chemistry  GK, Sunday, October 12, 2008 at 1:28am
If you look up the heat of vaporization per gram (Joul/g):
1. Change 1.5 moles of water to grams (multiply by 18.015 g/mol).
2. (grams)(joules/gram) > joules
3. joules / (joules/s) > seconds
If you look up the molar heat of vaporization of water (joules/mol):
1. (moles)(joules/mole) > joules
2. joules / (joules/s) > seconds

chemistry  Anonymous, Sunday, October 12, 2008 at 9:20am
cannot get ans. please solve
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