Research Article

The Standard Molar Enthalpies of Formation of Nano-ZnO Particles with Different Morphologies

Table 3

The of reactants system of nano-ZnO with the morphology of sieve, block, column, and rod.

Reaction systemNumberSieve (45 nm)Block (45 nm)Column (37 nm)Rod (36 nm)

ZnO + KHSO4 + HCl 
(kJ⋅mol−1)
1−35.69−36.05−29.66−31.45
2−35.01−36.44−29.36−31.03
3−35.90−36.05−29.12−31.59
4−36.39−36.12−29.11−31.18
5−35.52−36.74−29.02−31.25
6−36.04−36.01−29.17−31.70

Average value
(kJ⋅mol−1)