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ZnSO4 + 2 NaHCO3 = ZnCO3 + Na2SO4 + H2O + CO2
Al + Br2 = AlBr2 =>
Al + Br2 = AlBr2
X(NO3)2 + NaHCO3 = XCO3 + NaNO3 + H2O + CO2 =>
X(NO3)2 + 2 NaHCO3 = XCO3 + 2 NaNO3 + H2O + CO2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Fe + Cl = FeCl =>
Fe + Cl = FeCl
FeSO4 + H2SO4 + HNO3 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 3 H2SO4 + 2 HNO3 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
C2H5OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Pb(CH3COO)2 + NaOH = Pb(OH)2 + Na(CH3COO) =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 Na(CH3COO)
AgNO3 + Zn = ZnNO3 + Ag =>
AgNO3 + Zn = ZnNO3 + Ag
NaI + H2O = HI + NaOH =>
NaI + H2O = HI + NaOH
NaI + H2O = HI + Na2O =>
2 NaI + H2O = 2 HI + Na2O
I{-} = I2 + e =>
2 I{-} = I2 + 2e
XC2H5 + O2 = XOH + CO2 + H2O =>
2 XC2H5 + 7 O2 = 2 XOH + 4 CO2 + 4 H2O
CH3CO2C2H5 + NaOH = CH3CO2Na + C2H5OH =>
CH3CO2C2H5 + NaOH = CH3CO2Na + C2H5OH
CH3COOC2H5 + NaOH = CH3CO2Na + C2H5OH =>
CH3COOC2H5 + NaOH = CH3CO2Na + C2H5OH
CH3COOC2H5 + NaOH = CH3COONa + C2H5OH =>
CH3COOC2H5 + NaOH = CH3COONa + C2H5OH
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
NaCl + NaHSO4 = Na2SO4 + HCl =>
NaCl + NaHSO4 = Na2SO4 + HCl
NaCl + NaHCO3 = Na2CO3 + HCl =>
NaCl + NaHCO3 = Na2CO3 + HCl
NaCl + NaHCO3 = Na2O + HCl + CO2 =>
NaCl + NaHCO3 = Na2O + HCl + CO2
Na2SO4 + NaHCO3 = Na2O + H2SO4 + CO2 =>
Na2SO4 + 2 NaHCO3 = 2 Na2O + H2SO4 + 2 CO2
Cu + HNO3 = CuNO3 + H2 =>
2 Cu + 2 HNO3 = 2 CuNO3 + H2
MnO4{-} + SO3{2-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
2 MnO4{-} + 5 SO3{2-} + 6 H{+} = 2 Mn{2+} + 5 SO4{2-} + 3 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
KSO4 + NH4NO3 = KNO3 + NH4SO4 =>
KSO4 + NH4NO3 = KNO3 + NH4SO4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Ca + S = CaS =>
Ca + S = CaS
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CO2 + H2O = C6H121O6 + O2 =>
24 CO2 + 242 H2O = 4 C6H121O6 + 133 O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K3Fe(CN)6 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + HNO3 + CO2 + H2O =>
2 K3Fe(CN)6 + 20 K2Cr2O7 + 86 H2SO4 = Fe2(SO4)3 + 23 K2SO4 + 20 Cr2(SO4)3 + 12 HNO3 + 12 CO2 + 80 H2O
Ca + H2O = Ca(OH) + H2 =>
2 Ca + 2 H2O = 2 Ca(OH) + H2
C6H2Cl3OH + (C2H5)3N + C2O2Cl2 = (C6H2Cl3)2C2O4 + (C2H5)3NHCl =>
2 C6H2Cl3OH + 2(C2H5)3N + C2O2Cl2 = (C6H2Cl3)2C2O4 + 2(C2H5)3NHCl
H + F = HF =>
H + F = HF
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
CH3NH2 + HClO4 = CH3NH3ClO4 =>
CH3NH2 + HClO4 = CH3NH3ClO4
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
(C6H2Cl3)2C2O4 + H2O2 = H2C2O4 + (C6H2Cl3)2O2 =>
(C6H2Cl3)2C2O4 + H2O2 = H2C2O4 + (C6H2Cl3)2O2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
CuS + HNO3 = Cu(NO3)2 + S + H2 =>
CuS + 2 HNO3 = Cu(NO3)2 + S + H2
BaS + H2O = H2S + BaO =>
BaS + H2O = H2S + BaO
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Na + Cl = NaCl2 =>
Na + 2 Cl = NaCl2
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