“…Erosion/dispersion (Al foil; chalk in water) [3,6,74] Mechanochemistry, thermodynamics, kinetics Sonocrystallization (CuSO 4 ⋅5H 2 O) [72] Nucleation, kinetics, solid-state chemistry Liquid degassing (soda fountain) [74,77] Henry's law, solubility Emulsification (water-methyl cyclohexane) [74] Mechanical effects, interfacial phenomena Lithium and Grignard reagents [4,78,79] Metal-carbon bonding, cleaning effect, reaction mechanism Organic synthesis (Diels-Alder) [76] Reaction mechanism, home-made/ modified sonoreactors Degradation of chlorinated hydrocarbons [80] Reaction mechanism, environmental remediation Biodiesel synthesis [81] Green chemistry, reaction mechanism MOF synthesis [82] Green chemistry, multicomponent synthesis Luminol chemiluminescence [8384] Kinetics, thermodynamics, reaction mechanism Cleaning of delicate objects,e.g. 3D parts [85] 2D material exfoliation [35] Mechanical effects, interfacial phenomena Pd/Al 2 O 3 catalyst in Cavitation intensifying bags (CIB) [86] Advanced oxidation Organic and hydroxy radical [48,50,87] dosimetry Analytical chemistry, kinetics However, training in ultrasonic power measurement is mandatory in introductions to the use of power ultrasound, a key point already mentioned (Sect. 2.2).…”