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Cu(OH)2 + 2 HBr = CuBr2 + 2 H2O
Na3AsO4 + Zn + H2SO4 = AsH3 + ZnSO4 + H2O + NaSO4 =>
2 Na3AsO4 + 5 Zn + 11 H2SO4 = 2 AsH3 + 5 ZnSO4 + 8 H2O + 6 NaSO4
CaCO3 + Br2 = CaBr2 + CO2 + O2 =>
2 CaCO3 + 2 Br2 = 2 CaBr2 + 2 CO2 + O2
H3Fe(CN)6 + Ni = Ni3(Fe(CN)6)2 + H2 =>
2 H3Fe(CN)6 + 3 Ni = Ni3(Fe(CN)6)2 + 3 H2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NH3 + HNO3 = N(NO3)3 + H2O =>
NH3 + 15 HNO3 = 4 N(NO3)3 + 9 H2O
HClAl(OH)3 + HCl = AlCl3 + H2O =>
HClAl(OH)3 + 2 HCl = AlCl3 + 3 H2O
AgNO3 + (NH4)2CO3 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2CO3 + 2 NH4NO3
NaAl(OH)4 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 NaAl(OH)4 + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 8 H2O
KI(aq) + Pb(NO3)2(aq) = KNO3(aq) + [PbI2] =>
2 KI(aq) + Pb(NO3)2(aq) = 2 KNO3(aq) + [PbI2]
Al + NH4ClO4 = Al2O3 + AlCl3 + H2O + N2 =>
10 Al + 6 NH4ClO4 = 4 Al2O3 + 2 AlCl3 + 12 H2O + 3 N2
OH + HCl = Cl + H2O =>
OH + HCl = Cl + H2O
NaOH + PbCl2 = NaCl2 + PbOH =>
NaOH + PbCl2 = NaCl2 + PbOH
K3N + HCl = KCl + NH3 =>
K3N + 3 HCl = 3 KCl + NH3
AlBr3B2(CO3)3 = Al(CO3)3B2Br3 =>
AlBr3B2(CO3)3 = Al(CO3)3B2Br3
HCl + Na3PO4 = H3PO4 + NaCl =>
3 HCl + Na3PO4 = H3PO4 + 3 NaCl
NH4VO3 + Zn + H2SO4 + HCl + H2O = [VO(H2O)5]Cl2 + (NH4)2SO4 + ZnCl2 =>
2 NH4VO3 + Zn + H2SO4 + 6 HCl + 6 H2O = 2[VO(H2O)5]Cl2 + (NH4)2SO4 + ZnCl2
Cr + S + O = CrSO =>
Cr + S + O = CrSO
KO2 + CO2 = K2CO3 + O2 =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2
Na + CH4O = NaCH3O + H2 =>
2 Na + 2 CH4O = 2 NaCH3O + H2
(NH4)2SO4 + MgCl2 = (NH4)2Cl2 + MgSO4 =>
(NH4)2SO4 + MgCl2 = (NH4)2Cl2 + MgSO4
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
(NH4)2SO4 + Mg(OH)2 = MgSO4 + NH4OH =>
(NH4)2SO4 + Mg(OH)2 = MgSO4 + 2 NH4OH
CH4 + O2 = CO2(g) + H2O =>
CH4 + 2 O2 = CO2(g) + 2 H2O
BaCl2 + H2O2 = BaO2 + H2O + Cl2 =>
BaCl2 + 2 H2O2 = BaO2 + 2 H2O + Cl2
MgSO4 + (NH4)OH = (NH4)2SO4 + Mg(OH)2 =>
MgSO4 + 2(NH4)OH = (NH4)2SO4 + Mg(OH)2
HCH3COO + Al(OH)3 = Al(CH3COO)3 + H2O =>
3 HCH3COO + Al(OH)3 = Al(CH3COO)3 + 3 H2O
CaO + C = CaC + CO =>
CaO + 2 C = CaC + CO
CF4 + Br2 = CBr + F =>
2 CF4 + Br2 = 2 CBr + 8 F
KHCO3 + H2O = KH2CO3 + OH =>
KHCO3 + H2O = KH2CO3 + OH
Cu(NO3)2 + NaOH = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH = 2 NaNO3 + Cu(OH)2
CuSO4(aq) + H2S(aq) = CuS + H2SO4 =>
CuSO4(aq) + H2S(aq) = CuS + H2SO4
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
MnO2(s) + HCl = MnCl2 + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl = MnCl2 + 2 H2O(l) + Cl2(g)
Na2SO3 + KCl = Na2Cl + SO3K =>
Na2SO3 + KCl = Na2Cl + SO3K
K2Cr2O7 + Pb(N3)2 + H2SO4 = PbO2 + K2SO4 + Cr2(SO4)3 + NO2 + H2O =>
14 K2Cr2O7 + 3 Pb(N3)2 + 56 H2SO4 = 3 PbO2 + 14 K2SO4 + 14 Cr2(SO4)3 + 18 NO2 + 56 H2O
C2H2NiO4 = Ni + C2H2O4 =>
C2H2NiO4 = Ni + C2H2O4
Ca(s) + H2O(l) = CaO(s) + H2(g) =>
Ca(s) + H2O(l) = CaO(s) + H2(g)
Al + O2 = Al{3+} + O{2-} =>
4 Al + 3 O2 = 4 Al{3+} + 6 O{2-}
CuO(s) + H{+}(aq) = Cu{2+}(aq) + H2O(l) =>
CuO(s) + 2 H{+}(aq) = Cu{2+}(aq) + H2O(l)
KNO2 + KMnO4 + HCl = KNO3 + H2O + MnCl2 + KOH =>
5 KNO2 + 2 KMnO4 + 4 HCl = 5 KNO3 + H2O + 2 MnCl2 + 2 KOH
AgBr + (NH4)2CO3 = (Ag(NH3)2)Br + (NH4)HCO3 =>
AgBr + 2(NH4)2CO3 = (Ag(NH3)2)Br + 2(NH4)HCO3
Pb(NO3)2(aq) + HI(aq) = PbI(s) + H(NO3)2(aq) =>
Pb(NO3)2(aq) + HI(aq) = PbI(s) + H(NO3)2(aq)
Na2HPO3 + NaBrO2 + NaOH = Na3PO4 + NaBr + H2O =>
2 Na2HPO3 + NaBrO2 + 2 NaOH = 2 Na3PO4 + NaBr + 2 H2O
Mn(NO3)2 + NaOH + Br2 = NaNO3 + MnO2 + NaBr + H2O =>
Mn(NO3)2 + 4 NaOH + Br2 = 2 NaNO3 + MnO2 + 2 NaBr + 2 H2O
KNO3 + C5H12O5 = N2 + CO2 + H2O + K2CO3 =>
22 KNO3 + 5 C5H12O5 = 11 N2 + 14 CO2 + 30 H2O + 11 K2CO3
CaCl2 + I2 = CaI + Cl =>
2 CaCl2 + I2 = 2 CaI + 4 Cl
SiC + KOH = K2SiO4 + K2CO3 + K2O + H2 =>
SiC + 10 KOH = K2SiO4 + K2CO3 + 3 K2O + 5 H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Fe(NO3)3 + Na2S = Fe2S3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2S = Fe2S3 + 6 NaNO3
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