Discussion
Assertion (A): Latent heat is much larger than the sensible heat over a modest temperature range for water.
Reason (R): Breaking the intermolecular bonds of the liquid takes far more energy than raising its temperature by a few tens of degrees.
Answer: B
Both are true and the reason gives the comparison: the latent heat of water is about five hundred and forty times its heat capacity per degree, which is why steam is such an effective heating medium. Condensing steam delivers heat at constant temperature.
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