Před měsícem98 tis. zhlédnutíUnboxing Broadway Limited HO Scale ATSF Santa Fe EMD F3 A & B F-units diesel locomotives in the Warbonnet scheme used by the Super Chief Train.Sponsored by B...
29. 3. 202017 tis. zhlédnutíBalance the following equation by oxidation number method: `K_(2)Cr_(2)O_(7)+FeSO_(4)+H_(2)SO_(4)=Cr_(2)(SO_(4))_(3)+Fe_(2)(SO_(4))+K_(2)SO_(4)+H_(2)O`