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Ca + 2 H2O = Ca(OH)2 + H2
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
H2C6H6O6 = HHC6H6O6 =>
H2C6H6O6 = HHC6H6O6
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NO + N = N2O =>
NO + N = N2O
FeCl3 + Pb(ClO4)2 = PbCl2 + Fe(ClO4)3 =>
2 FeCl3 + 3 Pb(ClO4)2 = 3 PbCl2 + 2 Fe(ClO4)3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2SO3 + KClO3 = K2SO4 + KCl =>
3 K2SO3 + KClO3 = 3 K2SO4 + KCl
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
NaOH + BaCl2 = NaCl(s) + Ba(OH)2 =>
2 NaOH + BaCl2 = 2 NaCl(s) + Ba(OH)2
CH3CH2Cl + Na + Pb = Pb(C2H5)4 + NaCl =>
4 CH3CH2Cl + 4 Na + Pb = Pb(C2H5)4 + 4 NaCl
H2SO4 + Fe = H2 + Fe3SO4 =>
H2SO4 + 3 Fe = H2 + Fe3SO4
(NH4)2SO4 + K = K2SO4 + NH4 =>
(NH4)2SO4 + 2 K = K2SO4 + 2 NH4
C5H10(l) + O2(g) = CO2 + H2O(g) =>
2 C5H10(l) + 15 O2(g) = 10 CO2 + 10 H2O(g)
K2CrO7 + HCl + H2S = KCl + CrCl3 + S8 + H2O =>
16 K2CrO7 + 80 HCl + 72 H2S = 32 KCl + 16 CrCl3 + 9 S8 + 112 H2O
Al + KOH = K + Al(OH) =>
Al + KOH = K + Al(OH)
HClO4 + H2O = H3O + ClO5 =>
HClO4 + 4 H2O = 3 H3O + ClO5
NaOH + H2SO4 = Na(SO4) + H3O =>
NaOH + H2SO4 = Na(SO4) + H3O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
KBr(aq) + Cl2(g) = KCl(aq) + Br2(l) =>
2 KBr(aq) + Cl2(g) = 2 KCl(aq) + Br2(l)
NiS2 + O2 = SO2 + Ni2O3 =>
4 NiS2 + 11 O2 = 8 SO2 + 2 Ni2O3
C2H2HCN = C2H3CN =>
C2H2HCN = C2H3CN
HO + MnO2 = O2 + HMn =>
2 HO + 2 MnO2 = 3 O2 + 2 HMn
H2SO4(aq) + NaOH = H2O(aq) + Na2SO4(aq) =>
H2SO4(aq) + 2 NaOH = 2 H2O(aq) + Na2SO4(aq)
Fe(OH)3 + H{+} + CH2O = Fe{+2} + CO2 + H2O =>
4 Fe(OH)3 + 8 H{+} + CH2O = 4 Fe{+2} + CO2 + 11 H2O
C12H8 + O2 = CO2 + H2 =>
C12H8 + 12 O2 = 12 CO2 + 4 H2
C2H5COOH3 + O2 = CO2 + H2O =>
C2H5COOH3 + 4 O2 = 3 CO2 + 4 H2O
Na2Cr2O7 + hydrochloricacid = Chlorine + CrCl3 + sodiumchloride + water =>
Na2Cr2O7 + 14 HCl = 3 Cl2 + 2 CrCl3 + 2 NaCl + 7 H2O
Al + NaOH + H2O = AlO2Na + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 AlO2Na + 3 H2
F2HClO4 = FClO4HF =>
F2HClO4 = FClO4HF
HSO + HI = HS + I + HO =>
HSO + HI = HS + I + HO
H2C4 + CO2 = H2C5O2 =>
H2C4 + CO2 = H2C5O2
Cr + NaOH + H2O = Na[Cr(OH)]4 + H2 =>
8 Cr + 2 NaOH + 6 H2O = 2 Na[Cr(OH)]4 + 3 H2
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)3*H2O + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3Fe(C2O4)3*H2O + 2(NH4)2SO4 + 2 H2SO4 + 12 H2O
Fe + CuCl = FeCl + Cu =>
Fe + CuCl = FeCl + Cu
XC2H5 + KMnO4 + H2SO4 = XCOOH + K2SO4 + MnSO4 + H2O + CO2 =>
5 XC2H5 + 12 KMnO4 + 18 H2SO4 = 5 XCOOH + 6 K2SO4 + 12 MnSO4 + 28 H2O + 5 CO2
NaOH + C8H5KO4 = NaKO4 + C8H6O =>
NaOH + C8H5KO4 = NaKO4 + C8H6O
C5H12 + KMnO4 = H2O + CH3CO2CHCH3 + KOH + MnO2 =>
4 C5H12 + 11 KMnO4 = H2O + 5 CH3CO2CHCH3 + 11 KOH + 11 MnO2
C4H14 + O2 = H2O + CO2 =>
2 C4H14 + 15 O2 = 14 H2O + 8 CO2
KF + FeO = K2O + FeF2 =>
2 KF + FeO = K2O + FeF2
H3PO4 + LiOH = LiH + PO4(OH)3 =>
H3PO4 + 3 LiOH = 3 LiH + PO4(OH)3
Cl2 + NaOH + I2 = H2O + Na2H3IO6 + NaCl =>
7 Cl2 + 18 NaOH + I2 = 6 H2O + 2 Na2H3IO6 + 14 NaCl
(MgOH)2SO4H2SO4 = MgSO4H2O =>
(MgOH)2SO4H2SO4 = 2 MgSO4H2O
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
H{3+}PO{4} = H{4+}P{2+}O{7+} + H{2+}O =>
2 H{3+}PO{4} = H{4+}P{2+}O{7+} + H{2+}O
Hg(OH) = Hg2OH2O =>
2 Hg(OH) = Hg2OH2O
Cr2S3 + O2 = Cr2O3 + S =>
2 Cr2S3 + 3 O2 = 2 Cr2O3 + 6 S
CH3Br + KCN = CH3CN + KBr =>
CH3Br + KCN = CH3CN + KBr
Pb(NO3)2(aq) + H2S(g) = PbS(s) + HNO3(s) =>
Pb(NO3)2(aq) + H2S(g) = PbS(s) + 2 HNO3(s)
Cl{-} + MnO4{-} + H{+} = Cl2 + Mn{2} + H2O =>
10 Cl{-} + 2 MnO4{-} + 16 H{+} = 5 Cl2 + 2 Mn{2} + 8 H2O
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