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PbI2 = Pb + I2
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
(NH4)2CO3 + NH4OH + Co(NO3)2*6H20 + H2O2 = [Co(NH3)4CO3]NO3 + H2O =>
2(NH4)2CO3 + 2 NH4OH + 2 Co(NO3)2*6H20 + 113 H2O2 = 2[Co(NH3)4CO3]NO3 + 234 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CH3COOH + NH4OH = (NH4)CH3COO + H2O =>
CH3COOH + NH4OH = (NH4)CH3COO + H2O
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
C2H5NHC2H5 + O2 = CO2 + H2O + N2 =>
4 C2H5NHC2H5 + 27 O2 = 16 CO2 + 22 H2O + 2 N2
NH4OH + Al2O3 = Al(OH)3 + NH3 =>
3 NH4OH + Al2O3 = 2 Al(OH)3 + 3 NH3
HCOOH + NAHCO3 = HCOONA + H2O + CO2 =>
HCOOH + NAHCO3 = HCOONA + H2O + CO2
Fe3 + H2SO4 = FeSO4 + H2 =>
Fe3 + 3 H2SO4 = 3 FeSO4 + 3 H2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
CaCO3 + CH3COOH = (CH3COO)2Ca + CO2 + H2O =>
CaCO3 + 2 CH3COOH = (CH3COO)2Ca + CO2 + H2O
NaAlO2 + NH4Cl + H2O = Al(OH)3 + NaCl + NH3 =>
NaAlO2 + NH4Cl + H2O = Al(OH)3 + NaCl + NH3
Na(s) + S(s) = Na2S(s) =>
2 Na(s) + S(s) = Na2S(s)
Ca(NO3)2(d) + NAOH(aq) = Ca(OH)2(s) + NANO3(aq) =>
Ca(NO3)2(d) + 2 NAOH(aq) = Ca(OH)2(s) + 2 NANO3(aq)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Al(OH)3(aq) + HCl(aq) = AlCl3(aq) + H2O(l) =>
Al(OH)3(aq) + 3 HCl(aq) = AlCl3(aq) + 3 H2O(l)
Cu + SO2 = CuS2 + O2 =>
Cu + 2 SO2 = CuS2 + 2 O2
H2SO4 + Al = H2 + Al2(SO4)3 =>
3 H2SO4 + 2 Al = 3 H2 + Al2(SO4)3
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaOH + K2SO4 = NaSO4 + K2OH =>
NaOH + K2SO4 = NaSO4 + K2OH
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
N2H5Cl + KIO3 + NaOH = N2 + KI + NaCl + H2O =>
3 N2H5Cl + 2 KIO3 + 3 NaOH = 3 N2 + 2 KI + 3 NaCl + 9 H2O
K2SO4(aq) + Sr(NO3)2(aq) = KNO3(aq) + SrSO4(s) =>
K2SO4(aq) + Sr(NO3)2(aq) = 2 KNO3(aq) + SrSO4(s)
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
C6H6 + CH3CL = C6H5CH3 + HCL =>
C6H6 + CH3CL = C6H5CH3 + HCL
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
HCOOH + LiOH = LiCOOH + H2O =>
HCOOH + LiOH = LiCOOH + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HCOOH + C3H7OH = HCOOC3H7 + H20 =>
10 HCOOH + 30 C3H7OH = 25 HCOOC3H7 + 3 H20
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CoBr2 = Co + Br2 =>
CoBr2 = Co + Br2
HCOOH + KOH = KCOOH + H2O =>
HCOOH + KOH = KCOOH + H2O
Fe(s) + Br2(l) = FeBr3(s) =>
2 Fe(s) + 3 Br2(l) = 2 FeBr3(s)
HCOOH + KMnO4 = CO2 + HOH + KHCO3 + MnO2 =>
3 HCOOH + 2 KMnO4 = CO2 + 2 HOH + 2 KHCO3 + 2 MnO2
C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
FeSO4 + BA(OH)2 = Fe(OH)2 + BASO4 =>
FeSO4 + BA(OH)2 = Fe(OH)2 + BASO4
CuBr = Cu + Br =>
CuBr = Cu + Br
MgCl2 + Al(OH)3 = AlCl3 + Mg(OH)2 =>
3 MgCl2 + 2 Al(OH)3 = 2 AlCl3 + 3 Mg(OH)2
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
EuSO4 + KMnO4 + H2SO4 = Eu2(SO4)3 + K2SO4 + Mn(SO4) + H2O =>
10 EuSO4 + 2 KMnO4 + 8 H2SO4 = 5 Eu2(SO4)3 + K2SO4 + 2 Mn(SO4) + 8 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
Si + F2 = SiF =>
2 Si + F2 = 2 SiF
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Na2Cr2O7 + H2SO4 + Zn = Cr2(SO4)3 + ZnSO4 + Na2SO4 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 3 Zn = Cr2(SO4)3 + 3 ZnSO4 + Na2SO4 + 7 H2O
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