_ is the heat required to convert a gram of water into vapours at its boiling point.
Correct answer: A. Heat of vapourization
- A. Heat of vapourization
- B. Specific heat capacity
- C. Heat of ionization
- D. Polarity of water
Explanation
The heat of vaporization is the amount of heat energy required to convert a unit mass of a substance (in this case, water) from its liquid phase to its vapor phase at its boiling point. For water, the heat of vaporization is approximately 2250 kJ/kg or 540 cal/g.
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