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Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Pb(NO3)2 + BaCl2 = Ba(NO3)2 + PbCl2 =>
Pb(NO3)2 + BaCl2 = Ba(NO3)2 + PbCl2
Mg(OH)2 + HCl = MgCl2 + (H2)O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2(H2)O
Mn{2+} + SO4{2-} + H{+} + PbO2 = PbSO4 + MnO4{-} + H2O =>
2 Mn{2+} + 5 SO4{2-} + 4 H{+} + 5 PbO2 = 5 PbSO4 + 2 MnO4{-} + 2 H2O
FeCrO4 + Na2CO3 + O2 = Na2CrO34 + Fe2O3 + CO2 =>
4 FeCrO4 + 4 Na2CO3 + 61 O2 = 4 Na2CrO34 + 2 Fe2O3 + 4 CO2
As2S2 + NH4OH + H2O2 = (NH4)2AsO4 + (NH4)2SO4 + H2O =>
As2S2 + 8 NH4OH + 12 H2O2 = 2(NH4)2AsO4 + 2(NH4)2SO4 + 16 H2O
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2 =>
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KOHMgO = MgOHKO =>
KOHMgO = MgOHKO
FeSO4 + NaNO3 + H2SO4 = H2O + NO + Na2SO4 + Fe2(SO4)3 =>
6 FeSO4 + 2 NaNO3 + 4 H2SO4 = 4 H2O + 2 NO + Na2SO4 + 3 Fe2(SO4)3
C24 + O2 = C2O4 =>
C24 + 24 O2 = 12 C2O4
C2H5CHCH2 + KMnO4 + H2O = C2H5CH(OH)CH2OH + MnO2 + KOH =>
3 C2H5CHCH2 + 2 KMnO4 + 4 H2O = 3 C2H5CH(OH)CH2OH + 2 MnO2 + 2 KOH
C + F2 = CF4 =>
C + 2 F2 = CF4
KAl(SO4)2*12H2O(aq) + KOH = Al(OH)3(s) + K2SO4(aq) + H2O(l) =>
KAl(SO4)2*12H2O(aq) + 3 KOH = Al(OH)3(s) + 2 K2SO4(aq) + 12 H2O(l)
NH3 + HI = NI + H4 =>
NH3 + HI = NI + H4
C2H2F2 = HF + C =>
C2H2F2 = 2 HF + 2 C
Fe(OH)3 + KOH = K[Fe(OH)4] =>
Fe(OH)3 + KOH = K[Fe(OH)4]
Ag{+} + Cl[{-}] = AgCl =>
Ag{+} + Cl[{-}] = AgCl
HCO3 + Zn = Zn(HCO3)2 =>
2 HCO3 + Zn = Zn(HCO3)2