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4 Na + O2(g) = 2 Na2O
NaBrO + Fe(OH)2 + H2O = Fe(OH)3 + NaBr =>
NaBrO + 2 Fe(OH)2 + H2O = 2 Fe(OH)3 + NaBr
AlCl3 + Ca(OH)2 = Al(OH)3 + CaCl2 =>
2 AlCl3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCl2
Al(s) + CuSO4(ac) = Cu(s) + Al2(SO4)3 =>
2 Al(s) + 3 CuSO4(ac) = 3 Cu(s) + Al2(SO4)3
Sn(OH)2 + HCl = H[SnCl3] + H2O =>
Sn(OH)2 + 3 HCl = H[SnCl3] + 2 H2O
HIO + H = H2O + I2 =>
2 HIO + 2 H = 2 H2O + I2
Al2O3 + CO = Al(s) + CO2 =>
Al2O3 + 3 CO = 2 Al(s) + 3 CO2
Na2S2O + I2 + H2O = H2SO4 + NaI + HI =>
Na2S2O + 6 I2 + 7 H2O = 2 H2SO4 + 2 NaI + 10 HI
K2[HgI4] + HNO3 = I2 + NO + KNO3 + Hg(NO3)2 + H2O =>
3 K2[HgI4] + 16 HNO3 = 6 I2 + 4 NO + 6 KNO3 + 3 Hg(NO3)2 + 8 H2O
C4H8O + KMnO4 + H2SO4 = C4H8O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8O + 2 KMnO4 + 3 H2SO4 = 5 C4H8O2 + K2SO4 + 2 MnSO4 + 3 H2O
Ca + O2222 = CaO =>
2222 Ca + O2222 = 2222 CaO
K2O + P2O5 = K2(PO3)2 =>
K2O + P2O5 = K2(PO3)2
MnO2 + Na2SO3 + HNO3 = Na2SO4 + Mn(NO3)2 + H2O =>
MnO2 + Na2SO3 + 2 HNO3 = Na2SO4 + Mn(NO3)2 + H2O
Cn2O3 + Al = Al2O3 + Cn =>
Cn2O3 + 2 Al = Al2O3 + 2 Cn
NaCO3 = CO2 + Na2 + O =>
2 NaCO3 = 2 CO2 + Na2 + 2 O
CuSO4 + K2S = CuS + K2SO4 =>
CuSO4 + K2S = CuS + K2SO4
NaPO4 + AgNO3 = AgPO4 + NO3Na =>
NaPO4 + AgNO3 = AgPO4 + NO3Na
CH3COOH + K2CO3 = CH3CO2K + CO2 + H2O =>
2 CH3COOH + K2CO3 = 2 CH3CO2K + CO2 + H2O
H2C2O4(H2O) + K2Cr2O7 = K[Cr(C2O4)2](H2O)5 + H2O + CO2 =>
7 H2C2O4(H2O) + K2Cr2O7 = 2 K[Cr(C2O4)2](H2O)5 + 4 H2O + 6 CO2
Ca3(PO4)2 + HOH = Ca(OH)2 + H3PO4 =>
Ca3(PO4)2 + 6 HOH = 3 Ca(OH)2 + 2 H3PO4
M2CO3(aq) + HCl(aq) = MCl(aq) + H2O(l) + CO2(g) =>
M2CO3(aq) + 2 HCl(aq) = 2 MCl(aq) + H2O(l) + CO2(g)
CH3CCH3OHCH3 + Na = CH3CCH3ONaCH3 + H2 =>
2 CH3CCH3OHCH3 + 2 Na = 2 CH3CCH3ONaCH3 + H2
H3PO4 = H3PO3 + O2 =>
2 H3PO4 = 2 H3PO3 + O2
HCI + K2SO4 = KCI + H2SO4 =>
2 HCI + K2SO4 = 2 KCI + H2SO4
AgNO3 + H2S = HNO3 + Ag2S =>
2 AgNO3 + H2S = 2 HNO3 + Ag2S
Al + Zn(NO3)2 = Al(NO3)2Zn =>
Al + Zn(NO3)2 = Al(NO3)2Zn
C6H8O7 + Na2CO3*H2O = Na3C6H5O7 + CO2 + H2O =>
2 C6H8O7 + 3 Na2CO3*H2O = 2 Na3C6H5O7 + 3 CO2 + 6 H2O
Cu + CaCl2 = CuCl + Ca =>
2 Cu + CaCl2 = 2 CuCl + Ca
CrBr2(aq) + AgNO3(aq) = AgBr(s) + Cr(NO3)2(aq) =>
CrBr2(aq) + 2 AgNO3(aq) = 2 AgBr(s) + Cr(NO3)2(aq)
C2H6 + Br = C2H5Br2 + HBr =>
C2H6 + 3 Br = C2H5Br2 + HBr
HBr(aq) + NaOH(aq) = NaBr(aq) + H2O(l) =>
HBr(aq) + NaOH(aq) = NaBr(aq) + H2O(l)
KAl(SO4)2(aq) + BaCl2(aq) = BaSO4(s) + KAlCl4(aq) =>
KAl(SO4)2(aq) + 2 BaCl2(aq) = 2 BaSO4(s) + KAlCl4(aq)
MgSO4*7H2O + K2CO3 = MgCO3 + K2SO4 + H2O =>
MgSO4*7H2O + K2CO3 = MgCO3 + K2SO4 + 7 H2O
Fe + Pb2S4 = Fe2S3 + Pb =>
8 Fe + 3 Pb2S4 = 4 Fe2S3 + 6 Pb
LiS + BaBr = BaS + LiBr =>
LiS + BaBr = BaS + LiBr
H2Cr2O7 + Fe(OH)2 = H2O + FeCr2O7 =>
H2Cr2O7 + Fe(OH)2 = 2 H2O + FeCr2O7
(NH4)2Mn2O7 = Mn2O3 + H2O + N2 =>
(NH4)2Mn2O7 = Mn2O3 + 4 H2O + N2
BeF2 + Mg2 = MgF2 + Be =>
2 BeF2 + Mg2 = 2 MgF2 + 2 Be
NH4OH + H2CO3 = H2O + (NH4)2CO3 =>
2 NH4OH + H2CO3 = 2 H2O + (NH4)2CO3
CrCl + NaOH = CrOH + NaCl =>
CrCl + NaOH = CrOH + NaCl
Mn + CrCl2 = MnCl2 + Cr =>
Mn + CrCl2 = MnCl2 + Cr
NaClO3 + KI + H2O = NaCl + I2 + KOH =>
NaClO3 + 6 KI + 3 H2O = NaCl + 3 I2 + 6 KOH
NaOH + C10H8 = C10H7Na + H2O =>
NaOH + C10H8 = C10H7Na + H2O
Al + Zn(C2H3O2)2(aq) = Al(C2H3O2)3(aq) + Zn(s) =>
2 Al + 3 Zn(C2H3O2)2(aq) = 2 Al(C2H3O2)3(aq) + 3 Zn(s)
SrCO3 + H2CO3 = Sr(HCO3)2 =>
SrCO3 + H2CO3 = Sr(HCO3)2
CaHO + HNO3 = CaNO3 + H2O =>
CaHO + HNO3 = CaNO3 + H2O
C2H5OH(x) + O2 = CO2 + H2O =>
C2H5OH(x) + 3 O2 = 2 CO2 + 3 H2O
MnO + PbO2 + H2SO4 = HMnO4 + PbSO4 + H2O =>
2 MnO + 5 PbO2 + 5 H2SO4 = 2 HMnO4 + 5 PbSO4 + 4 H2O
NaBr + AgNO3 = NaNO3 + AgBr =>
NaBr + AgNO3 = NaNO3 + AgBr
K2CO3 + CH3OOH = CH3OOK + H2O + CO2 =>
K2CO3 + 2 CH3OOH = 2 CH3OOK + H2O + CO2
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