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Oralee157 Oralee157
  • 16-06-2015
  • Chemistry
Answered



At standard pressure, the total amount of heat required to completely vaporize a 100. gram sample of water at its boiling point is(1) 2.26 X 10 J (3) 2.26 X 103 J

(2) 2.26 X 102 J (4) 2.26 X 105 J

Verified Answer :

lulu1991
lulu1991 lulu1991
  • 29-06-2015

We know that the heat of vaporization of water is 2260 J/g. So 100 gram sample of water being completely vaporized needs 2260100=2.2610^5 J. So the answer is (4).

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