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12 CaCO3 + 3 Fe2O3 + 5 MoO3 + Mo = 6 Ca2FeMoO6 + 12 CO2
(NH4)2SO4 + LiOH = Li2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 LiOH = Li2SO4 + 2 NH3 + 2 H2O
Fe2O3(s) + Zn(s) = ZnO(s) + Fe(s) =>
Fe2O3(s) + 3 Zn(s) = 3 ZnO(s) + 2 Fe(s)
CuSO4(s) + Zn(s) = Cu(s) + ZnSO4(aq) =>
CuSO4(s) + Zn(s) = Cu(s) + ZnSO4(aq)
MgO(s) + HCl(aq) = MgCl2(aq) + H2O(l) =>
MgO(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l)
HCOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
PbSO4 + H2O = Pb + O2 + H2SO4 =>
2 PbSO4 + 2 H2O = 2 Pb + O2 + 2 H2SO4
FeTeO4 + HBrO + H2TeO4 = Fe2(TeO4)3 + FeBr3 + H2O =>
12 FeTeO4 + 6 HBrO + 3 H2TeO4 = 5 Fe2(TeO4)3 + 2 FeBr3 + 6 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Na2CO3 + (CH3COO)2Pb + H2O = (PbOH) + CH3COONa + CO2 =>
15 Na2CO3 + 16(CH3COO)2Pb + 5 H2O = 16(PbOH) + 30 CH3COONa + 19 CO2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
SeF3(aq) + H2S(aq) = Se2S3(aq) + HF(aq) =>
2 SeF3(aq) + 3 H2S(aq) = Se2S3(aq) + 6 HF(aq)
Al + CUSO4 = Al2(SO4)3 + CU =>
2 Al + 3 CUSO4 = Al2(SO4)3 + 3 CU
C2S3 + H2 = H2S + C =>
C2S3 + 3 H2 = 3 H2S + 2 C
FeCl3 + Fe(OH)3 = Fe(OH)2Cl =>
FeCl3 + 2 Fe(OH)3 = 3 Fe(OH)2Cl
Ba(OH)2 + AlF3 = BaF2 + Al2O3 + H2O =>
3 Ba(OH)2 + 2 AlF3 = 3 BaF2 + Al2O3 + 3 H2O
K2S + HBr = K2Br + HS =>
K2S + HBr = K2Br + HS
C2S3 + H2 = H2S + C =>
C2S3 + 3 H2 = 3 H2S + 2 C
KIO4 + HCl = Cl + HKIO4 =>
KIO4 + HCl = Cl + HKIO4
ZnO + CH3COOH = (CH3COO)2Zn + H2O =>
ZnO + 2 CH3COOH = (CH3COO)2Zn + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H{+} + C2HCl3 + Fe = C2H4 + Fe{2+} + Cl{-} =>
3 H{+} + C2HCl3 + 3 Fe = C2H4 + 3 Fe{2+} + 3 Cl{-}
Fe2Cl3 + NaOH = Fe(OH)3 + Na2Cl =>
Fe2Cl3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2Cl
A + B = AB =>
A + B = AB
Cu + H2SO4 + H2O = Cu2SO4*5H2O + SO2 =>
2 Cu + 2 H2SO4 + 3 H2O = Cu2SO4*5H2O + SO2
CH2O + CO2 = H2O + CO =>
CH2O + CO2 = H2O + 2 CO
C2H3Br3 + O2 = CO2 + HBr =>
C2H3Br3 + 2 O2 = 2 CO2 + 3 HBr
Zn3N2 + H2O = Zn(OH)2 + NH3 =>
Zn3N2 + 6 H2O = 3 Zn(OH)2 + 2 NH3
Ag + KCN + O2 + H2O = KAg(CN)6 + KOH =>
4 Ag + 24 KCN + 5 O2 + 10 H2O = 4 KAg(CN)6 + 20 KOH
Al(IO3)3 + H2O = Al(OH)3 + HIO3 =>
Al(IO3)3 + 3 H2O = Al(OH)3 + 3 HIO3
Ca + FeCl3 = Ca(Cl3)2 + Fe =>
Ca + 2 FeCl3 = Ca(Cl3)2 + 2 Fe
U + O = UO6 =>
U + 6 O = UO6
CuO + C6H8O7 = Cu2(C6H4O7) + H2O =>
2 CuO + C6H8O7 = Cu2(C6H4O7) + 2 H2O
C2H5COOH + Zn(OH)2 = (C2H5COO)2Zn + H2O =>
2 C2H5COOH + Zn(OH)2 = (C2H5COO)2Zn + 2 H2O
MgO(s) = Mg(s) + O2(g) =>
2 MgO(s) = 2 Mg(s) + O2(g)
X2 = X =>
X2 = 2 X
C4H9NO2 + HCl + NaNO2 = C4H6O2 + NaCl + NO + H =>
C4H9NO2 + HCl + NaNO2 = C4H6O2 + NaCl + 2 NO + 4 H
H(ClO4) + P4O10 = H3(PO4) + Cl2O7 =>
12 H(ClO4) + P4O10 = 4 H3(PO4) + 6 Cl2O7
NH4CI + KOH = NH3 + KCI + H2O =>
NH4CI + KOH = NH3 + KCI + H2O
MgNO2 + H2O = MgOH + HNO2 =>
MgNO2 + H2O = MgOH + HNO2
Na2CO3 + Mg(No3)2 = MgCO3 + NaNo3 =>
Na2CO3 + Mg(No3)2 = MgCO3 + 2 NaNo3
Gd(OH)3 + HNO3 = Gd(NO3)3 + H2O =>
Gd(OH)3 + 3 HNO3 = Gd(NO3)3 + 3 H2O
Bi + Mg = Bi2Mg2 =>
2 Bi + 2 Mg = Bi2Mg2
K2SO3 + FeSO4 = K2SO4 + FeSO3 =>
K2SO3 + FeSO4 = K2SO4 + FeSO3
CH3Cl + NaOH = C2H5OH + NaCl + HCl =>
2 CH3Cl + NaOH = C2H5OH + NaCl + HCl
P + KOH + H2O = PH3 + K3PO4 =>
8 P + 9 KOH + 3 H2O = 5 PH3 + 3 K3PO4
NaOH + KHP = H2O + NaKP =>
NaOH + KHP = H2O + NaKP
O2 + Ca + H2O = Ca(OH)2 =>
O2 + 2 Ca + 2 H2O = 2 Ca(OH)2
Na2SO3 + HNO3 = Na2SO4 + NO + H2O =>
3 Na2SO3 + 2 HNO3 = 3 Na2SO4 + 2 NO + H2O
KOH + MgBr2 = KBr2 + Mg(OH) =>
KOH + MgBr2 = KBr2 + Mg(OH)
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