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Huygens' principle regards every point on a wave front as a source of secondary wavelets that...
during hydrocracking a high hydrogen concentration (partial pressure) ensures that any shorter...
bonds that form between the hydrogen atom of one molecule and an oxygen, nitrogen or fluorine...
Hydrogen peroxide spontaneously reacts to form water and oxygen. One molecule of hydrogen...
a halogen atom (F, Cl, Br or I) reacts by addition reaction with alkenes
the molecule is split by the addition of a water molecule
a proton that forms a coÂordinate covalent bond with a water molecule H3O+