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Na2CO3 + H2O = NaHCO3 + NaOH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
Mn3O4(s) + Al(s) = Mn(s) + Al2O3(s) =>
3 Mn3O4(s) + 8 Al(s) = 9 Mn(s) + 4 Al2O3(s)
Na2S + AgOH + Al(OH)3 = NaAl(OH)4 + Ag2S =>
Na2S + 2 AgOH + 2 Al(OH)3 = 2 NaAl(OH)4 + Ag2S
C4H10 + Br2 = C4H9Br + HBr =>
C4H10 + Br2 = C4H9Br + HBr
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
HSO4 + Zn = ZnSO4 + H2 =>
2 HSO4 + 2 Zn = 2 ZnSO4 + H2
KIO3 + HCl = KI + Cl2 + H2O =>
KIO3 + 6 HCl = KI + 3 Cl2 + 3 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2S + Ce2 = HCe + S =>
H2S + Ce2 = 2 HCe + S
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
H2S + Ca(OH)2 = CaS + H2O =>
H2S + Ca(OH)2 = CaS + 2 H2O
AsO + H2O = AsH3 + O2 =>
4 AsO + 6 H2O = 4 AsH3 + 5 O2
H2SO4 + Zn = ZnSO4 + H2 =>
H2SO4 + Zn = ZnSO4 + H2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH3 =>
3(NH4)2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH3
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
FeO + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeO + 2 KMnO4 + 18 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 18 H2O
AlCl3 + H2O + NaOH = HCl + Na[Al(OH)4] =>
AlCl3 + 3 H2O + NaOH = 3 HCl + Na[Al(OH)4]
C + O2 = CO =>
2 C + O2 = 2 CO
NiSO4 + Na3PO4 = NiPO4 + Na3SO4 =>
NiSO4 + Na3PO4 = NiPO4 + Na3SO4
KMNO4 + Na2SO3 + H20 = MNO2 + Na2SO4 + KOH =>
20 KMNO4 + 20 Na2SO3 + H20 = 20 MNO2 + 20 Na2SO4 + 20 KOH
H2S + LiOH = Li2S + H2O =>
H2S + 2 LiOH = Li2S + 2 H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
RCOONa + H2SO4 = RCOOH + Na2SO4 =>
2 RCOONa + H2SO4 = 2 RCOOH + Na2SO4
KCEO3 = KCE + O2 =>
2 KCEO3 = 2 KCE + 3 O2
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
Co + HNO3 = Co(NO3)2 + NO + H2O =>
3 Co + 8 HNO3 = 3 Co(NO3)2 + 2 NO + 4 H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NO3{-} + I{-} + H3O{+} = NO + IO3{-} + H2O =>
2 NO3{-} + I{-} + 2 H3O{+} = 2 NO + IO3{-} + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Xe(OH)6 + KI + HCl = Xe + I2 + KCl + H2O =>
Xe(OH)6 + 6 KI + 6 HCl = Xe + 3 I2 + 6 KCl + 6 H2O
Cu + I2 = CuI2 =>
Cu + I2 = CuI2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
PbI2 + HCl = HI2 + PbCl =>
PbI2 + HCl = HI2 + PbCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
C6H12O6(s) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
FeCl3 + Nh4Oh = Fe(Oh)3 + Nh4Cl =>
FeCl3 + 3 Nh4Oh = Fe(Oh)3 + 3 Nh4Cl
Al + Cr2O3 = Cr + Al2O3 =>
2 Al + Cr2O3 = 2 Cr + Al2O3
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