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4 Na + O2 = 2 Na2O
KI + Mg3(PO4)2 = K3PO4 + MgI2 =>
6 KI + Mg3(PO4)2 = 2 K3PO4 + 3 MgI2
NaH2PO4*2H2O(s) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
NaH2PO4*2H2O(s) + 2 NaOH(aq) = Na3PO4(aq) + 4 H2O(l)
TiO + HCl = TiCl2 + H2O =>
TiO + 2 HCl = TiCl2 + H2O
Fe2Zn3 + HCl = H2 + Fe2Zn3Cl3 =>
2 Fe2Zn3 + 6 HCl = 3 H2 + 2 Fe2Zn3Cl3
Al + HNO3(conc) = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3(conc) = 8 Al(NO3)3 + 3 N2O + 15 H2O
Al2(SO4)3 + Li(OH) = Al(OH)3 + Li2SO4 =>
Al2(SO4)3 + 6 Li(OH) = 2 Al(OH)3 + 3 Li2SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AgCl + Na2S = Ag2S + NaCl =>
2 AgCl + Na2S = Ag2S + 2 NaCl
Be(NO3)2 + K2SO4 = BeSO4 + KNO3 =>
Be(NO3)2 + K2SO4 = BeSO4 + 2 KNO3
C + BaSO4 = BaS + CO2 =>
2 C + BaSO4 = BaS + 2 CO2
C2H5N3O2 + O2 = CO2 + H2O + NO3 =>
4 C2H5N3O2 + 27 O2 = 8 CO2 + 10 H2O + 12 NO3
BaCl2 + Zn(SO4)2 = Ba(SO4)2 + ZnCl2 =>
BaCl2 + Zn(SO4)2 = Ba(SO4)2 + ZnCl2
ReF6 + H2O = ReO4{-} + HF + ReO2 + H{+} =>
3 ReF6 + 10 H2O = 2 ReO4{-} + 18 HF + ReO2 + 2 H{+}
Me + Cl2 = MeCl2 =>
Me + Cl2 = MeCl2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
C6H5OH + NaH = C6H5Na + H2O =>
C6H5OH + NaH = C6H5Na + H2O
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O =>
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
AlCl3 + NaS2O3 + H2O = NaCl + S + SO2 + Al(OH)3 =>
4 AlCl3 + 12 NaS2O3 + 6 H2O = 12 NaCl + 9 S + 15 SO2 + 4 Al(OH)3
Ba(OH)2(s) + NH4SCN(s) = Ba(SCN)2(s) + H2O(l) + NH3(g) =>
Ba(OH)2(s) + 2 NH4SCN(s) = Ba(SCN)2(s) + 2 H2O(l) + 2 NH3(g)
MnBr2 + Ba(OH)2 = Mn(OH)2 + BaBr2 =>
MnBr2 + Ba(OH)2 = Mn(OH)2 + BaBr2
KI + Na2CrO7 + H2SO4 = I2 + Cr(SO4)3 + Na2SO4 + K2SO4 + H2O =>
6 KI + Na2CrO7 + 7 H2SO4 = 3 I2 + Cr(SO4)3 + Na2SO4 + 3 K2SO4 + 7 H2O
NaOCl + HCl = NaCl + HOCl =>
NaOCl + HCl = NaCl + HOCl
CuSO4 + Cr(NO3)3 = Cu(NO3)2 + Cr2(SO4)3 =>
3 CuSO4 + 2 Cr(NO3)3 = 3 Cu(NO3)2 + Cr2(SO4)3
Cr + Zn(NO3)2 = Cr(NO3)3 + Zn =>
2 Cr + 3 Zn(NO3)2 = 2 Cr(NO3)3 + 3 Zn
CH3CH2CH2CH2OH + PBr3 = CH3CH2CH2CH2Br + PBr2OH =>
CH3CH2CH2CH2OH + PBr3 = CH3CH2CH2CH2Br + PBr2OH
KHCO3(s) + HBr(aq) = KBr(aq) + H2O(l) + CO2(g) =>
KHCO3(s) + HBr(aq) = KBr(aq) + H2O(l) + CO2(g)
K3[Fe(CN)6] + NaOH + Na2SO3 = K3Na[Fe(CN)6] + Na2SO4 + H2O =>
2 K3[Fe(CN)6] + 2 NaOH + Na2SO3 = 2 K3Na[Fe(CN)6] + Na2SO4 + H2O
MgO + NaOH = Mg(OH)2 + Na2O =>
MgO + 2 NaOH = Mg(OH)2 + Na2O
C2H4(s) + O2(g) = CO2(g) + H2O(g) =>
C2H4(s) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
NaI + Cr(NO3)2 = NaNO3 + CrI2 =>
2 NaI + Cr(NO3)2 = 2 NaNO3 + CrI2
Ba(NO3)2(s) + NaOH(aq) = Ba(OH)2(s) + NaNO3(aq) =>
Ba(NO3)2(s) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaNO3(aq)
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
Pb(OH)2 + H(NO3) = Pb(NO3)2 + H2O =>
Pb(OH)2 + 2 H(NO3) = Pb(NO3)2 + 2 H2O
CO3{2-} + H2O = HCO3{-} + OH{-) =>
CO3{2-} + H2O = HCO3{-} + OH{-)
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C6H8O6 + I = C6H6O6 + HI =>
C6H8O6 + 2 I = C6H6O6 + 2 HI
CH2O + I2 + H2O = HI + HCOOH =>
CH2O + I2 + H2O = 2 HI + HCOOH
ClF3 + FeCl2 = Cl2 + FeF3 =>
2 ClF3 + 2 FeCl2 = 3 Cl2 + 2 FeF3
C7H6O2 + NaOH = NaC7H5O2 + H2O =>
C7H6O2 + NaOH = NaC7H5O2 + H2O
K2Cl2O7 + FeSO4 + H2SO4 = K2SO4 + Cl2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cl2O7 + 6 FeSO4 + 7 H2SO4 = K2SO4 + Cl2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C38H76N2O2 + C6H8O7 = C18H36O2 + C8H12O5N2 =>
C38H76N2O2 + C6H8O7 = 2 C18H36O2 + C8H12O5N2
H2SO4 + C = SO2 + CO2 + H2O =>
2 H2SO4 + C = 2 SO2 + CO2 + 2 H2O
H2C6H6O6 + KOH = C6H6O6KH + H2O =>
H2C6H6O6 + KOH = C6H6O6KH + H2O
Rb2O + Mn(NO3)2 = Rb(NO3) + MnO =>
Rb2O + Mn(NO3)2 = 2 Rb(NO3) + MnO
H2 + SO4 + KOH = K2SO4 + H2O =>
H2 + SO4 + 2 KOH = K2SO4 + 2 H2O
HCOO{-}(aq) + HCl(aq) = HCOOH(aq) + Cl{-}(aq) =>
HCOO{-}(aq) + HCl(aq) = HCOOH(aq) + Cl{-}(aq)
NaHCO3 + Cl2 = NaCl + NaOCl + CO2 + H2O =>
2 NaHCO3 + Cl2 = NaCl + NaOCl + 2 CO2 + H2O
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