An endothermic process absorbs 138 kj. how many calories of heat are absorbed

32982 calories

Explanation:

Endothermic processes are those processes in which heat is absorbed and exothermic processes are those processes in which heat is released.

Standard units for heat measurement are Joules and calories wherein

1 joule = 0.239 Calorie.

Now 1 kJ = 1000 Joules

Therefore 138kJ =

As 1 Joule is equivalent to 0.239 calorie

138000 Joules are equivalent to=

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error