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2 HgNO3 + K2I2 = 2 HgI + 2 KNO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaNO2 = NaNO3 + NO + Na2O =>
3 NaNO2 = NaNO3 + 2 NO + Na2O
(NH4)3PO4 + ZrBr2 = (NH4)3Br2 + ZrPO4 =>
(NH4)3PO4 + ZrBr2 = (NH4)3Br2 + ZrPO4
Al2O + H2O = Al + OH =>
Al2O + H2O = 2 Al + 2 OH
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CaCO3 + HAc = Ca(Ac)2 + CO2 + H2O =>
CaCO3 + 2 HAc = Ca(Ac)2 + CO2 + H2O
CaO + K2O = CaK + O2 =>
4 CaO + 2 K2O = 4 CaK + 3 O2
NaOH + AlBr3 = NaBr + Al(OH)3 =>
3 NaOH + AlBr3 = 3 NaBr + Al(OH)3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
CH3C6H4NO2 + KMnO4 = COOHC6H4NO2 + MnO2 + KOH =>
CH3C6H4NO2 + 2 KMnO4 = COOHC6H4NO2 + 2 MnO2 + 2 KOH
HCOONa + AgNO3 = HCOOAg + NaNO3 =>
HCOONa + AgNO3 = HCOOAg + NaNO3
KMnO4 + NH3 + H2SO4 = MnSO4 + K2SO4 + N2 + H2O =>
6 KMnO4 + 10 NH3 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 N2 + 24 H2O
Li2CO3 + NaOH = LiOH + Na2(CO3) =>
Li2CO3 + 2 NaOH = 2 LiOH + Na2(CO3)
H2O2 + CrCl3 + KOH = KCl + K2CrO4 + H2O =>
3 H2O2 + 2 CrCl3 + 10 KOH = 6 KCl + 2 K2CrO4 + 8 H2O
Al2O3 + LiF = AlF3 + Li2O =>
Al2O3 + 6 LiF = 2 AlF3 + 3 Li2O
I2 + Cl = ICl3 =>
I2 + 6 Cl = 2 ICl3
O2 + Al2 = OAl2 =>
O2 + 2 Al2 = 2 OAl2
Mn2S3 = Mn + S =>
Mn2S3 = 2 Mn + 3 S
NaI + Zn(NO3)2 = NaNO3 + ZnI2 =>
2 NaI + Zn(NO3)2 = 2 NaNO3 + ZnI2
CuSO4 + Na2C4H4O6 = CuC4H4O6 + Na2SO4 =>
CuSO4 + Na2C4H4O6 = CuC4H4O6 + Na2SO4
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
ZnCl2 + N2 = Zn3N2 + Cl2 =>
3 ZnCl2 + N2 = Zn3N2 + 3 Cl2
CuCl2 + Zn = ZnCl2 + Cu =>
CuCl2 + Zn = ZnCl2 + Cu
H2S + Fe(OH)3 = Fe2(S3) + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2(S3) + 6 H2O
H2CO3 + Fe(OH)3 = Fe(OH)CO3 + H2O =>
H2CO3 + Fe(OH)3 = Fe(OH)CO3 + 2 H2O
As2S3 + Na2S + S = Na3AsS4 =>
As2S3 + 3 Na2S + 2 S = 2 Na3AsS4
P4O10 + MgO = Mg3(PO4)2 =>
P4O10 + 6 MgO = 2 Mg3(PO4)2
C6H5(CH3)2 + KMnO4 + KOH = C6H5(COOK)3 + K2MnO4 + H2O =>
9 C6H5(CH3)2 + 131 KMnO4 + 155 KOH = 8 C6H5(COOK)3 + 131 K2MnO4 + 107 H2O
(a)Ca3P2(aq) + H2O(l) = Ca(OH)2(aq) + PH3(aq) =>
(a)Ca3P2(aq) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 PH3(aq)
ZnSO4(aq) + NH3(aq) = Zn(NH3)2(aq) + SO4 =>
ZnSO4(aq) + 2 NH3(aq) = Zn(NH3)2(aq) + SO4
MnCl2 + KOH + H2O2 = K2MnO4 + KCl + H2O =>
MnCl2 + 4 KOH + 2 H2O2 = K2MnO4 + 2 KCl + 4 H2O
Cr2O7{2}{-} + SO3{2}{-} + H{+} = Cr{3}{+} + SO4{2}{-} + H2O =>
Cr2O7{2}{-} + 5 SO3{2}{-} + 4 H{+} = 2 Cr{3}{+} + 5 SO4{2}{-} + 2 H2O
Br2 + NaOH = NaBr + NaBrO + H2O =>
Br2 + 2 NaOH = NaBr + NaBrO + H2O
NaNH2 + H2O = NaNH3 + OH =>
NaNH2 + H2O = NaNH3 + OH
AlF3 + O2 = Al2O3 + F2 =>
4 AlF3 + 3 O2 = 2 Al2O3 + 6 F2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
C2H5COOC2H4 + O2 = CO + H2O =>
4 C2H5COOC2H4 + 15 O2 = 20 CO + 18 H2O
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
Mn2S3 = Mn + S8 =>
8 Mn2S3 = 16 Mn + 3 S8
O2 + C10H20 = H2O + CO2 =>
15 O2 + C10H20 = 10 H2O + 10 CO2
K2Cr2O7 + HCl + HI = CrCl3 + H2O + I2 + KCl =>
K2Cr2O7 + 8 HCl + 6 HI = 2 CrCl3 + 7 H2O + 3 I2 + 2 KCl
Fe + FeSO4 = Fe2SO4 =>
Fe + FeSO4 = Fe2SO4
Ba(NO3)2 + Mg3(PO4)2 = Ba3(PO4)2 + Mg(NO3)2 =>
3 Ba(NO3)2 + Mg3(PO4)2 = Ba3(PO4)2 + 3 Mg(NO3)2
Zn + AsO3 + HCl = ZnCl2 + AsH3 + H2O =>
9 Zn + 2 AsO3 + 18 HCl = 9 ZnCl2 + 2 AsH3 + 6 H2O
K2CO3SiO2 = CO2K2SiO3 =>
K2CO3SiO2 = CO2K2SiO3
(CH3)2CHCH2CH2OH + CH3COOH = CH3COOCH2CH2CH(CH3)2 + H2O =>
(CH3)2CHCH2CH2OH + CH3COOH = CH3COOCH2CH2CH(CH3)2 + H2O
CH3NH3C3H7COO + Ca(OH)2 = CH3NH2 + (C3H7COO)2Ca + H2O =>
2 CH3NH3C3H7COO + Ca(OH)2 = 2 CH3NH2 + (C3H7COO)2Ca + 2 H2O
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