3
AssignmentMultiple Choice
Enthalpy and Phase Changes
Question 3 • Foothill-B Period-Chemistry-26/27B
The heat of vaporization for water is 40.7 kJ/mol. How much heat energy must 150.0 g of water absorb to boil away completely? Use the formula .
Answer
A
339.2 kJB
381.6 kJC
610.5 kJD
6,105 kJ