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3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
Al2(SO4)3(aq) + K3PO4(aq) = AlPO4(s) + K2SO4(aq) =>
Al2(SO4)3(aq) + 2 K3PO4(aq) = 2 AlPO4(s) + 3 K2SO4(aq)
Fe(OH)3 + H3BO3 = Fe2(HBO3)3 + H2O =>
2 Fe(OH)3 + 3 H3BO3 = Fe2(HBO3)3 + 6 H2O
K2 + I2 = KI =>
K2 + I2 = 2 KI
HNO3 + HCO3Na = NaNO3 + H2CO3 =>
HNO3 + HCO3Na = NaNO3 + H2CO3
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
NO2CO3 + CuSO4 = NO2SO4 + CuCO3 =>
NO2CO3 + CuSO4 = NO2SO4 + CuCO3
SnO + Na = NaO + Sn =>
SnO + Na = NaO + Sn
C10H11BrO + CH3NH2 = C11H15NO + HBr =>
C10H11BrO + CH3NH2 = C11H15NO + HBr
NaHCO3 + H2O = NaO2H + H2CO2 =>
NaHCO3 + H2O = NaO2H + H2CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe3O4 + H2O = Fe + OH =>
Fe3O4 + 4 H2O = 3 Fe + 8 OH
Cr + PO4 = Cr3PO4 =>
3 Cr + PO4 = Cr3PO4
Al2(CO3)3 + MgCl2 = AlCl3 + MgCO3 =>
Al2(CO3)3 + 3 MgCl2 = 2 AlCl3 + 3 MgCO3
HBr + Mg = MgBr2 + H2 =>
2 HBr + Mg = MgBr2 + H2
CH3COOK + HBr = CH3COOH + KBr =>
CH3COOK + HBr = CH3COOH + KBr
(NH4)2C2O4 + Na2O = (NH4)2O + Na2C2O4 =>
(NH4)2C2O4 + Na2O = (NH4)2O + Na2C2O4
CH4(g) + H2O(vap) = CO(g) + H2(g) =>
CH4(g) + H2O(vap) = CO(g) + 3 H2(g)
Cr2(SO4)3 + Cl2 + NaOH = NaCl + Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 Cl2 + 16 NaOH = 6 NaCl + 2 Na2CrO4 + 8 H2O + 3 Na2SO4
KNO3 + FeO = Fe(NO3)2 + K2O =>
2 KNO3 + FeO = Fe(NO3)2 + K2O
NaHCO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 CO2 + 2 H2O
SO3 + HBr = SO2 + Br2 + H2O =>
SO3 + 2 HBr = SO2 + Br2 + H2O
C9H8O4 = C7H6O3 + CH3COOH =>
8 C9H8O4 = 10 C7H6O3 + CH3COOH
K2SO3 + S = K2S2O3 =>
K2SO3 + S = K2S2O3
C6H4(OH)COOH + H2O = H3O + C6H4(OH)COO =>
C6H4(OH)COOH + H2O = H3O + C6H4(OH)COO
K2Cr2O7 + HBr = KBr + CrBr3 + H2O + Br =>
K2Cr2O7 + 14 HBr = 2 KBr + 2 CrBr3 + 7 H2O + 6 Br
NaHCO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 CO2 + 2 H2O
SiCl4(g) + H2O(g) = SiO2(s) + HCl(g) =>
SiCl4(g) + 2 H2O(g) = SiO2(s) + 4 HCl(g)
BaCO3 + NaCl = Na2CO3 + BaCl2 =>
BaCO3 + 2 NaCl = Na2CO3 + BaCl2
Cs3PO4 + (NH4)2CrO4 = Cs2CrO4 + (NH4)3PO4 =>
2 Cs3PO4 + 3(NH4)2CrO4 = 3 Cs2CrO4 + 2(NH4)3PO4
Ba(NO3)2 + K2Cr2O7 = BaCr2O7 + KNO3 =>
Ba(NO3)2 + K2Cr2O7 = BaCr2O7 + 2 KNO3
CH3OH + CH3COOH = CH3OOCCH3 + H2O =>
CH3OH + CH3COOH = CH3OOCCH3 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Br + I{-} = Br{-} + I2 =>
2 Br + 2 I{-} = 2 Br{-} + I2
C10H16N2O8 + Ca(OH)2 = Ca(C10H16N2O8)2 + OH =>
2 C10H16N2O8 + Ca(OH)2 = Ca(C10H16N2O8)2 + 2 OH
ZnSO4 + Mg = Zn + Mg(SO4)2 =>
2 ZnSO4 + Mg = 2 Zn + Mg(SO4)2
KClO3 + NaCrO2 + NaOH = KCl + Na2CrO4 + H2O =>
KClO3 + 2 NaCrO2 + 2 NaOH = KCl + 2 Na2CrO4 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
CH3OH + CH3COOH = CH3OOCCH3 + H2O =>
CH3OH + CH3COOH = CH3OOCCH3 + H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KClO2 = KCl + O2KClO3 = KCl + O2KClO4 = KCl + O2KNO3 = KNO2 + O2Mn3O4 + Al = Mn + Al2O3N2O4 = NO2N2O5 = NO2 + O2NH3 + HCl = NH4ClNH4NO2 = N2 + H2ONH4NO3 = N2O + H =>
5 KClO2 = 3 KCl + 2 O2KClO3
Fe(NO3)2 + MgCl2 = Mg(NO3)2 + FeCl2 =>
Fe(NO3)2 + MgCl2 = Mg(NO3)2 + FeCl2
Ag(s) + Cu{2+}(aq) = Cu{9+} + Ag{7-} =>
Ag(s) + Cu{2+}(aq) = Cu{9+} + Ag{7-}
AgNO3 + K3P = KNO3 + Ag3P =>
3 AgNO3 + K3P = 3 KNO3 + Ag3P
CH3CH2CH2CHOH + O2 = CO2 + H2O =>
4 CH3CH2CH2CHOH + 23 O2 = 16 CO2 + 18 H2O
BaCO3 + NaCl = Na2CO3 + BaCl2 =>
BaCO3 + 2 NaCl = Na2CO3 + BaCl2
Cr + NH3 + H2O = Cr(OH)2 + NH4 =>
Cr + 2 NH3 + 2 H2O = Cr(OH)2 + 2 NH4
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
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