At standard pressure, the total amount of heat required to completely vaporize a 100. gram sample of water at its boiling point

Question

Len [333]

3 years ago

8

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

Chemistry

1 answer:

zvonat [6] · Answer 1 · 2022-06-13T19:21:58+03:00

zvonat [6]3 years ago

4 0

We know that the heat of vaporization of water is 2260 J/g. So 100 gram sample of water being completely vaporized needs 2260*100=2.26*10^5 J. So the answer is (4).