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Ni + NaBH4 = NiBH4 + Na
Na2SO4(aq) + Ba(CH3COO)2(aq) = BaSO4(aq) + NaCH3COO(aq) =>
Na2SO4(aq) + Ba(CH3COO)2(aq) = BaSO4(aq) + 2 NaCH3COO(aq)
CH3COOCH3 + KOH + KMnO4 = CH3COOK + H2O + K2MnO4 =>
2 CH3COOCH3 + 7 KOH + 4 KMnO4 = 3 CH3COOK + 5 H2O + 4 K2MnO4
Fe2P + FeS2 = Fe3S + P2S5 =>
10 Fe2P + 19 FeS2 = 13 Fe3S + 5 P2S5
Ca + HBrO3 = Ca(BrO3)2 + H2 =>
Ca + 2 HBrO3 = Ca(BrO3)2 + H2
Fe{2+} + {-} + SO4 = FeSO4 =>
Fe{2+} + 2e + SO4 = FeSO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
FeCl2KI = FeKICl2 =>
FeCl2KI = FeKICl2
Ir(OH)2 + HCl = IrCl2 + H2O =>
Ir(OH)2 + 2 HCl = IrCl2 + 2 H2O
MgSO4 + Cu3PO4 = MgPO4 + Cu3SO4 =>
MgSO4 + Cu3PO4 = MgPO4 + Cu3SO4
Mn + NaOH + H2O2 = Na2MnO4 + H2O =>
Mn + 2 NaOH + 3 H2O2 = Na2MnO4 + 4 H2O
Mg(HCO3)2 = H2O + CO2 + MgO =>
Mg(HCO3)2 = H2O + 2 CO2 + MgO
Cr2O7 + SO3 = Cr2O3 + SO4 =>
Cr2O7 + 4 SO3 = Cr2O3 + 4 SO4
Cu + HCl = CuCl2 + H2Cu =>
2 Cu + 2 HCl = CuCl2 + H2Cu
Mn(NO3)2 = MnO2 + NO2 =>
Mn(NO3)2 = MnO2 + 2 NO2
CH3COONa + HCl = NaCl + CO + H3 =>
3 CH3COONa + 3 HCl = 3 NaCl + 6 CO + 4 H3
Cu(NO3)2 + Al2O3 = CuAl2O4 + N2 + O2 =>
2 Cu(NO3)2 + 2 Al2O3 = 2 CuAl2O4 + 2 N2 + 5 O2
Mg(aq) + CuBr2(aq) = Cu(s) + MgBr2(aq) =>
Mg(aq) + CuBr2(aq) = Cu(s) + MgBr2(aq)
C9H6O6 + CaO = C6H6 + CaCO3 =>
C9H6O6 + 3 CaO = C6H6 + 3 CaCO3
CaBr2 + Na2CO3 = CaCO3 + NaBr =>
CaBr2 + Na2CO3 = CaCO3 + 2 NaBr
H3PO4 + Mg(OH)2 = Mg(HPO4) + H2O =>
H3PO4 + Mg(OH)2 = Mg(HPO4) + 2 H2O
CH3COOH + CH3CH2OH = CH3CH2OCOCH3 + HOH =>
CH3COOH + CH3CH2OH = CH3CH2OCOCH3 + HOH
CuFeS2 + SiO2 + O2 = Cu2O + FeO*SiO2 + SO2 =>
4 CuFeS2 + 4 SiO2 + 11 O2 = 2 Cu2O + 4 FeO*SiO2 + 8 SO2
NaHCO3MgSO4H2O = Mg(OH)2CO2NaHSO4 =>
NaHCO3MgSO4H2O = Mg(OH)2CO2NaHSO4
ClN3 + CH4 = ClC3 + N2 + H =>
2 ClN3 + 6 CH4 = 2 ClC3 + 3 N2 + 24 H
Na2SO3 + NaClO3 + H2SO4 = Cl2 + Na2SO4 + H2O =>
5 Na2SO3 + 2 NaClO3 + H2SO4 = Cl2 + 6 Na2SO4 + H2O
HNO2 = HNO3 + NO + OH2 =>
3 HNO2 = HNO3 + 2 NO + OH2
K2CrO7 + HCl + FeS = CrCl3 + FeCl3 + KCl + H2S + H2O =>
K2CrO7 + 32 HCl + 9 FeS = CrCl3 + 9 FeCl3 + 2 KCl + 9 H2S + 7 H2O
HAuCl4 + FeCl2 + Sb4O5Cl2 = Sb2Au + FeCl3 + HCl + O2 =>
4 HAuCl4 + 16 FeCl2 + 2 Sb4O5Cl2 = 4 Sb2Au + 16 FeCl3 + 4 HCl + 5 O2
ZnCl + K2Cr2O7 + HCl = ZnCl2 + KCl + CrCl3 + H2O =>
6 ZnCl + K2Cr2O7 + 14 HCl = 6 ZnCl2 + 2 KCl + 2 CrCl3 + 7 H2O
FeBr3 + K3Po4 = FePo4 + KBr =>
FeBr3 + K3Po4 = FePo4 + 3 KBr
NH3 + NO = N2 + H20O =>
40 NH3 + 6 NO = 23 N2 + 6 H20O
C + Ca = C2Ca =>
2 C + Ca = C2Ca
Ba(NO3)2 + HSO3NH2 + H2O = BaSO4 + NH4NO3 + HNO3 =>
Ba(NO3)2 + HSO3NH2 + H2O = BaSO4 + NH4NO3 + HNO3
PBBr2 = PB + Br =>
PBBr2 = PB + 2 Br
CH2CH2 + O2 = CH3CHO =>
2 CH2CH2 + O2 = 2 CH3CHO
Ni(OH)2 + H2O = Ni(OH)4 + H =>
Ni(OH)2 + 2 H2O = Ni(OH)4 + 2 H
H + FeBr3 = H2Br + Fe =>
6 H + FeBr3 = 3 H2Br + Fe
MgOH(s) = Mg2O(s) + H2O(g) =>
2 MgOH(s) = Mg2O(s) + H2O(g)
Fe + S8 = (FeS8) =>
Fe + S8 = (FeS8)
Al(s) + H2(SO4) = Al2(SO4)3 + H2(g) =>
2 Al(s) + 3 H2(SO4) = Al2(SO4)3 + 3 H2(g)
Zinc + Sulfuricacid = zincsulfate + Hydrogen =>
Zn + H2SO4 = ZnSO4 + H2
Fe(CH3COO)3 + (NH4)2O = Fe2O3 + NH4CH3COO =>
2 Fe(CH3COO)3 + 3(NH4)2O = Fe2O3 + 6 NH4CH3COO
MgI2 + Br2 = MgBr2 + I =>
MgI2 + Br2 = MgBr2 + 2 I
Cr(OH)4{-} + OH{-} + ClO{-} = CrO4{-2} + Cl{-} + H2O =>
2 Cr(OH)4{-} + 2 OH{-} + 3 ClO{-} = 2 CrO4{-2} + 3 Cl{-} + 5 H2O
OHCH2CH2CH2OH + CuO = COHCH2COH + H2O + Cu =>
OHCH2CH2CH2OH + 2 CuO = COHCH2COH + 2 H2O + 2 Cu
S8O2 + O2 = SO2 =>
S8O2 + 7 O2 = 8 SO2
Te + H2SO4 = Te2S3O10 + SO2 + H2O =>
2 Te + 4 H2SO4 = Te2S3O10 + SO2 + 4 H2O
Co4(OH)6SO4 + NaOH = Co(OH)2 + Na2SO4 =>
Co4(OH)6SO4 + 2 NaOH = 4 Co(OH)2 + Na2SO4
Al + Fe(SO4) = Al2(SO4)3 + Fe =>
2 Al + 3 Fe(SO4) = Al2(SO4)3 + 3 Fe
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