A Certain Humidifier Operates by Raising Water to the Boiling

Multiple Choice

A certain humidifier operates by raising water to the boiling point and then evaporating it.Every minute 30 g of water at 20°C are added to replace the 30 g that are evaporated.The heat of fusion of water is 333 kJ/kg, the heat of vaporization is 2256 kJ/kg, and the specific heat is 4190 J/kg How many joules of energy per minute does this humidifier require?

A) 4800 J/min
B) 18,600 J/min
C) 24,600 J/min
D) 77,700 J/min
E) 10,100,000 J/min