ABC graphs/ABCD
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1st Example[edit | edit source]
Compounds: H, O, H2, O2, OH, OH−, H2O, H3O+, H2O2.
Topic: combustion of H2 in O2
Media: explosion!
2nd Example[edit | edit source]
Compounds: Ca2C, Ca3N2, CaO, CaF2 -> CH4, NH3, H2O, HF
Topic: hydrolysis
Media: reaction of some oxide producing a basic solution visualised with phenolphthalein
3rd Example[edit | edit source]
Compounds: CO2, NO2, SO2 -> CO32-, NO3-, SO32- & SO3
Topic: atmospheric gases, redox
Media: acid rain from volcano and cars
4th Example[edit | edit source]
Compounds: PF5, -> H3PO4, Al3+ -> Al(OH)4-
Topic: hydrolysis again
Media: dissolution of aluminium foil in a strong vase