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Fakulta ma 135 ucitelov . Ucitelov, ktory sa zucastnili aspon siedmich konferencii, je o osem viac nez tych, ktori maju vedecku hodnost. Ucitelov, ktori nemaju vedecku hodnost a zaroven sa zucastnili…
a)určte oxidačné čísla prvkov, napíšte polreakcie oxidácie a redukcie a doplňte stechiometrické koeficienty v uvedenej chemickej schéme. HCl + KMnO 4 → Cl 2 + MnCl 2 + KCl + H 2 O
Dobrý deň, ako budú znieť následovné otázky? Ďakujem. 1.Na základe elektrónovych konfigurácii a elektronegativit odvoďte charakteristické skupiny N, P, As, Bi (stabilizácia atómov). 2.Uveďte…
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