Question

* How much energy is produced if 5.0g of steam at 100​oC condenses? (Hvap=40.7kJ/mol) * How...

* How much energy is produced if 5.0g of steam at 100​oC condenses? (Hvap=40.7kJ/mol)

* How much energy is required to meld 10.0g of ice at 0C? (Hfus for H2O is 333J/g)

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Answer #1


heat produced = n*DHvap

               = (5/18)*(40.7)

               = 11.3 kj

heat required = m*DHfus

              = 10*333

              = 3330 joule

              = 3.33 kj

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