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Pb(NO3)2 + 2 NaBr = PbBr2 + 2 NaNO3
K2Cr2O7 + H2SO4 + KI = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KI = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
NaHSO4 + CaOCl2 = Na2SO4 + CaSO4 + H2O + Cl2 =>
2 NaHSO4 + CaOCl2 = Na2SO4 + CaSO4 + H2O + Cl2
NH4 + NO2 = N + H2O =>
NH4 + NO2 = 2 N + 2 H2O
Cu + HNO3 = Cu(NO3)3 + N2O + H2O =>
8 Cu + 30 HNO3 = 8 Cu(NO3)3 + 3 N2O + 15 H2O
Pb + ZnSO4 = PbZnSO4 =>
Pb + ZnSO4 = PbZnSO4
Ge + HNO3 = Ge(NO3)2 + H2 =>
Ge + 2 HNO3 = Ge(NO3)2 + H2
MgCO3 + HCl = MgClHCO3 =>
MgCO3 + HCl = MgClHCO3
S + BaCl2 = Cl2 + BaS =>
S + BaCl2 = Cl2 + BaS
H3PO4 = H2O + H4P2O7 =>
2 H3PO4 = H2O + H4P2O7
ZnSO3 + HCl = H2SO3 + ZnCl2 =>
ZnSO3 + 2 HCl = H2SO3 + ZnCl2
Cr + H3PO4 = Cr(PO4)2 + H2 =>
Cr + 2 H3PO4 = Cr(PO4)2 + 3 H2
Bi(NO3)3 + KI = K[BiI4] + KNO3 =>
Bi(NO3)3 + 4 KI = K[BiI4] + 3 KNO3
P + NaOH = Na3PO3 + PH3 =>
2 P + 3 NaOH = Na3PO3 + PH3
Ag + S = Ag2S =>
2 Ag + S = Ag2S
(NH4)2SO4 + CaSO4 = [Ca(SO4)2] + NH4 =>
(NH4)2SO4 + CaSO4 = [Ca(SO4)2] + 2 NH4
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
A999999999999999 + B999999999999999 = A999999999999999B999999999999999 =>
A999999999999999 + B999999999999999 = A999999999999999B999999999999999
MnO2(s) + HCl = MnCl2(aq) + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl = MnCl2(aq) + 2 H2O(l) + Cl2(g)
C6H4N2O5 + O2 = H2O + CO2 + NO =>
2 C6H4N2O5 + 11 O2 = 4 H2O + 12 CO2 + 4 NO
Cr2(SO4)3 + Na2CO3 = Na2(SO4)3 + Cr2CO3 =>
Cr2(SO4)3 + Na2CO3 = Na2(SO4)3 + Cr2CO3
FeI2 + Ca(C2H3O2)2 = Fe(C2H3O2)2 + CaI2 =>
FeI2 + Ca(C2H3O2)2 = Fe(C2H3O2)2 + CaI2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaCl2 + Ca(OH)2 + NaAlO2 + H2O = Ca2Al(OH)6Cl*2H2O + NaOH =>
CaCl2 + 3 Ca(OH)2 + 2 NaAlO2 + 8 H2O = 2 Ca2Al(OH)6Cl*2H2O + 2 NaOH
Rh2S3 + O2 = Rh2O3 + SO2 =>
2 Rh2S3 + 9 O2 = 2 Rh2O3 + 6 SO2
KCl + KMnO4 + H{+} = K{+} + Mn2{+} + Cl2 + H2O =>
26 KCl + 4 KMnO4 + 32 H{+} = 30 K{+} + 2 Mn2{+} + 13 Cl2 + 16 H2O
C3H8 + O2 = C2H3O2 + H2O =>
8 C3H8 + 19 O2 = 12 C2H3O2 + 14 H2O
Na2O + SrBr2 = NaBr + SrO =>
Na2O + SrBr2 = 2 NaBr + SrO
Sb2O3(s) + NaOH(ac) = NaSbO2(ac) + H2O(l) =>
Sb2O3(s) + 2 NaOH(ac) = 2 NaSbO2(ac) + H2O(l)
Cl2 + Al(NO3)3 = AlCl3 + NO3 =>
3 Cl2 + 2 Al(NO3)3 = 2 AlCl3 + 6 NO3
O2 + H2O = HO2 =>
3 O2 + 2 H2O = 4 HO2
C6H12O6 + Cr2O7{-2} + H{+} = CO2 + Cr{3+} + H2O =>
C6H12O6 + 4 Cr2O7{-2} + 32 H{+} = 6 CO2 + 8 Cr{3+} + 22 H2O
H{+} + Cr2O7 + H2S = Cr{3+} + S + H2O =>
6 H{+} + Cr2O7 + 4 H2S = 2 Cr{3+} + 4 S + 7 H2O
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(s) =>
NaHCO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(s)
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Zn + H3PO4 = ZnPO4 + H2 =>
2 Zn + 2 H3PO4 = 2 ZnPO4 + 3 H2
NaHCO3 + H2O + I2 = H2CO3 + NaI + O2 =>
4 NaHCO3 + 2 H2O + 2 I2 = 4 H2CO3 + 4 NaI + O2
Hg + HCl = H + HgCl =>
Hg + HCl = H + HgCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Fe(ClO3)3 = FeCl3 + O2 =>
2 Fe(ClO3)3 = 2 FeCl3 + 9 O2
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
NO3 + OH + Al = NH3 + Al2O3 =>
NO3 + 3 OH + 4 Al = NH3 + 2 Al2O3
Br2 + FeCl2 + KOH = KBr + Fe(OH)3 + KCl =>
Br2 + 2 FeCl2 + 6 KOH = 2 KBr + 2 Fe(OH)3 + 4 KCl
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Na(OH) + Ca = Ca(OH)2 + Na =>
2 Na(OH) + Ca = Ca(OH)2 + 2 Na
C19H32O21 = C12H22O11 + C6H8O7 + H2CO3 =>
C19H32O21 = C12H22O11 + C6H8O7 + H2CO3
S + HNO3 = SO2 + NO + H2O =>
3 S + 4 HNO3 = 3 SO2 + 4 NO + 2 H2O
MgI2 + K2S = I2K2 + MgS =>
MgI2 + K2S = I2K2 + MgS
Cr(OH)3 + H3PO4 = Cr8(OHPO4)6 + H2O =>
8 Cr(OH)3 + 6 H3PO4 = Cr8(OHPO4)6 + 18 H2O
Na2C2O4 + KMnO4 + H2SO4 = Mn2SO4 + CO2 + NaSO4 + K2SO4 + H2O =>
3 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = Mn2SO4 + 6 CO2 + 6 NaSO4 + K2SO4 + 8 H2O
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