Question

What is the heat of vaporization of water?

(a) 2260 J/g

(b) 2260 kJ/g

(c) 1260 J/g

(d) 1260 kJ/g

I got this question by my school teacher while I was bunking the class.

Query is from Weak Interactions in Aqueous Systems in section Water Basics of Biochemistry

Answer 1

Right option is (a) 2260 J/g

To elaborate: The amount of energy needed to change one gram of water to its vapor form at constant temperature is 2260 J/g.