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K2O2 + 2 K = 2 K2O
I2 + CuBr2 = CuI + Br2 =>
I2 + 2 CuBr2 = 2 CuI + 2 Br2
CH3CH2OH + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
Na2O + HSO4 = NaSO4 + H2O =>
Na2O + 2 HSO4 = 2 NaSO4 + H2O
Na + HCl = NaCl + H*2 =>
Na + HCl = NaCl + H*2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
ZnHPO4 = Zn3(PO4)2 + H3PO4 =>
3 ZnHPO4 = Zn3(PO4)2 + H3PO4
(CH3COO)2C2H4 + NaOH = (CH3COONa)2 + C2H4(OH)2 =>
(CH3COO)2C2H4 + 2 NaOH = (CH3COONa)2 + C2H4(OH)2
CH2O + KMnO4 + H2SO4 = CH2O2 + K2SO4 + MnSO4 + H2O =>
5 CH2O + 2 KMnO4 + 3 H2SO4 = 5 CH2O2 + K2SO4 + 2 MnSO4 + 3 H2O
CuSO4 + H2O + NH3 = Cu(NH3)4SO4H2O =>
CuSO4 + H2O + 4 NH3 = Cu(NH3)4SO4H2O
Ca + HCIO4 = CaCIO4 + H2 =>
2 Ca + 2 HCIO4 = 2 CaCIO4 + H2
CrBr3 + Na2SiO3 = Cr2[SiO3]3 + NaBr =>
2 CrBr3 + 3 Na2SiO3 = Cr2[SiO3]3 + 6 NaBr
C18H39 + O2 = C + H2O =>
4 C18H39 + 39 O2 = 72 C + 78 H2O
MgO + P2O5 = Mg3(PO4)2 =>
3 MgO + P2O5 = Mg3(PO4)2
Fe3O4 + H2O2 = Fe2O3 + H2 =>
4 Fe3O4 + H2O2 = 6 Fe2O3 + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
NO3{-} + I2 + H3O{+} = IO3{-} + NO2 + H2O =>
10 NO3{-} + I2 + 8 H3O{+} = 2 IO3{-} + 10 NO2 + 12 H2O
NaOCN + H2O = HOCN + HNaO =>
NaOCN + H2O = HOCN + HNaO
Cl2(aq) + NaOH(aq) = NaCl(aq) + NaClO2(aq) + H20(l) =>
10 Cl2(aq) + 20 NaOH(aq) = 10 NaCl(aq) + 10 NaClO2(aq) + H20(l)
CO + O2 + H2O + CaCO3 = Ca(HCO3)2 =>
2 CO + O2 + 2 H2O + 2 CaCO3 = 2 Ca(HCO3)2
Cl2 + S2O3{-2} + OH{-} = SO4{-2} + Cl{-} + H2O =>
4 Cl2 + S2O3{-2} + 10 OH{-} = 2 SO4{-2} + 8 Cl{-} + 5 H2O
Mn + SiO3 = MnSiO3 =>
Mn + SiO3 = MnSiO3
Pb(NO3)2 + Na3X = Pb3X2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3X = Pb3X2 + 6 NaNO3
Ca + Ga(NO3)3 = CaNO3 + Ga =>
3 Ca + Ga(NO3)3 = 3 CaNO3 + Ga
Mn + SiO3 = MnSiO3 =>
Mn + SiO3 = MnSiO3
C4H + O2 = CO2 + H2O =>
4 C4H + 17 O2 = 16 CO2 + 2 H2O
CH3COOH + Cu(OH)2 = (CH3COO)2Cu + H2O =>
2 CH3COOH + Cu(OH)2 = (CH3COO)2Cu + 2 H2O
(NH4)2S(aq) + FeCl3(aq) = NH4Cl(aq) + Fe2S3(s) =>
3(NH4)2S(aq) + 2 FeCl3(aq) = 6 NH4Cl(aq) + Fe2S3(s)
Cr(OH)3 + H{+} = Cr{+3} + H2O =>
Cr(OH)3 + 3 H{+} = Cr{+3} + 3 H2O
MgCl2 + ZnI2 = ZnCl2 + MgI2 =>
MgCl2 + ZnI2 = ZnCl2 + MgI2
MnO2 + FeO = Fe2O3 + Mn =>
MnO2 + 4 FeO = 2 Fe2O3 + Mn
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
F2(g) + CuBr(aq) = CuF(aq) + Br2(l) =>
F2(g) + 2 CuBr(aq) = 2 CuF(aq) + Br2(l)
C3H5(OCOC15H31)3 + KOH = C15H31COOK + C3H5(OH)3 =>
C3H5(OCOC15H31)3 + 3 KOH = 3 C15H31COOK + C3H5(OH)3
Na(HCO3) = Na2(CO3) + CO2 + H2O =>
2 Na(HCO3) = Na2(CO3) + CO2 + H2O
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
Cd(s) + Ca(NO3)2(aq) = Cd(NO3)2(aq) + Ca(s) =>
Cd(s) + Ca(NO3)2(aq) = Cd(NO3)2(aq) + Ca(s)
CH2ClCOOH + NaOH = CH2ClCOONa + H2O =>
CH2ClCOOH + NaOH = CH2ClCOONa + H2O
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
Cu + AgNo3 = Cu(No3)Ag =>
Cu + AgNo3 = Cu(No3)Ag
CuSO4 + H2O = Cu + H2OSO4 =>
CuSO4 + H2O = Cu + H2OSO4
ZnSO4 + NaOH = Zn(OH)2 + Na2(SO4) =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2(SO4)
Zn + Au3N = Zn3N2 + Au =>
3 Zn + 2 Au3N = Zn3N2 + 6 Au
SO2 + HCl = SO2Cl2 + H2 =>
SO2 + 2 HCl = SO2Cl2 + H2
F2Mg + CLi2O3 = LiF + MgCO3 =>
F2Mg + CLi2O3 = 2 LiF + MgCO3
HBr + NaCl = NaBr + HCl =>
HBr + NaCl = NaBr + HCl
Cu + H2SO4 = CuSO4 + H2 =>
Cu + H2SO4 = CuSO4 + H2
Mg10 + O11 = MgO =>
11 Mg10 + 10 O11 = 110 MgO
FeS + HNO3 = Fe(NO3)3 + NO2 + Fe2(SO4)3 + H2O =>
3 FeS + 30 HNO3 = Fe(NO3)3 + 27 NO2 + Fe2(SO4)3 + 15 H2O
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