A beaker contains 21.0 g of hot water at a temperature of 88.8oC. After a while, the temperature of the water falls to 24.3oC. How much heat was lost by the water? The specific heat of water is 4.184 J g-1 oC-1.
A) 0.0879 kJ
B) 2.14 kJ
C) 0.0645 kJ
D) 5.67 kJ
E) 7.80 kJ