Answers for Thermochem Practice

1) 4.74 kJ, exothermic - The water gave off heat in order for its temperature to drop.

2) -1452.8 kJ

3a) 1,130 J (3SF)
3b) 0.228J/g°C

4a) endothermic
4b) absorbs heat
4c) 8.99 kJ