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4 S0 = S4
NH3 + O = N + HO =>
NH3 + 3 O = N + 3 HO
HNO2 = NO2 + H2 =>
2 HNO2 = 2 NO2 + H2
NaOH + K2CO = NaCO + OHK2 =>
NaOH + K2CO = NaCO + OHK2
C6H5COONa + Fe(NO3)3 = Fe(C6H5COO)3 + NaNO3 =>
3 C6H5COONa + Fe(NO3)3 = Fe(C6H5COO)3 + 3 NaNO3
As2S3 + HNO3 = H2SO4 + H3AsO4 + H2O + NO2 =>
As2S3 + 28 HNO3 = 3 H2SO4 + 2 H3AsO4 + 8 H2O + 28 NO2
Fe(NO3)3 + Cl2 + KOH = K2FeO4 + KNO3 + KCl + H2O =>
2 Fe(NO3)3 + 3 Cl2 + 16 KOH = 2 K2FeO4 + 6 KNO3 + 6 KCl + 8 H2O
Cs2S + MnI3 = CsI + Mn2S3 =>
3 Cs2S + 2 MnI3 = 6 CsI + Mn2S3
PhMgBr + Ph3PO = Ph4POMgBr =>
PhMgBr + Ph3PO = Ph4POMgBr
Cu(ll)SO4 + NaOH = CuOH + NaSO4 =>
Cu(ll)SO4 + NaOH = CuOH + NaSO4
Sodium + FeCl2 = NaCl + iron =>
2 Na + FeCl2 = 2 NaCl + Fe
Fe2O3 + H2C2O4 = Fe(C2O4)3 + H2O + H2 =>
Fe2O3 + 6 H2C2O4 = 2 Fe(C2O4)3 + 3 H2O + 3 H2
AlCl3 + NaOH = Al(OH) + NaCl3 =>
AlCl3 + NaOH = Al(OH) + NaCl3
UCl4 + LiBH4 = U(BH4)4 + LiCl =>
UCl4 + 4 LiBH4 = U(BH4)4 + 4 LiCl
Ba(OH)2 + AlCl3O9 = BaCl3O9 + Al(OH)2 =>
Ba(OH)2 + AlCl3O9 = BaCl3O9 + Al(OH)2
Na2S + (CH3COO)2Pb = (CH3COO)2S + Na2Pb =>
Na2S + (CH3COO)2Pb = (CH3COO)2S + Na2Pb
CH3COOH + NH4OH = CH3CONH2 + H2O =>
CH3COOH + NH4OH = CH3CONH2 + 2 H2O
NaCl(s) + H2O(g) = NaOH(s) + HCl(g) =>
NaCl(s) + H2O(g) = NaOH(s) + HCl(g)
Cu + H2O = Cu(OH)2 + H2 =>
Cu + 2 H2O = Cu(OH)2 + H2
KHCO3 = H2OCO2K2CO3 =>
2 KHCO3 = H2OCO2K2CO3
AgS8 = Ag + S8 =>
AgS8 = Ag + S8
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
C6H10O3 + O2 = CO3 + H2O =>
C6H10O3 + 10 O2 = 6 CO3 + 5 H2O
C7H12O2 + O2 = CO2 + H2 =>
C7H12O2 + 6 O2 = 7 CO2 + 6 H2
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
Cr(NO3)3 + (NH4)2C2O4 = Cr2(C2O4)3 + NH4NO3 =>
2 Cr(NO3)3 + 3(NH4)2C2O4 = Cr2(C2O4)3 + 6 NH4NO3
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
C2H5Br + Br2 = C2H4Br2 + H2 =>
2 C2H5Br + Br2 = 2 C2H4Br2 + H2
Fe + Sb = Fe13Sb10 =>
13 Fe + 10 Sb = Fe13Sb10
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
CaO + NaCl = CaCl2 + Na2O =>
CaO + 2 NaCl = CaCl2 + Na2O
FeO + C = Fe1 + CO2 =>
2 FeO + C = 2 Fe1 + CO2
CH2O + NH3 + H3PO3 = C3H12NO9P3 + H2O =>
3 CH2O + NH3 + 3 H3PO3 = C3H12NO9P3 + 3 H2O
(NH4)2Cr2O7 = Cr2O3 + H2O + NH3 + O2 =>
2(NH4)2Cr2O7 = 2 Cr2O3 + 2 H2O + 4 NH3 + 3 O2
Pb + Zn(NO3)2 = Zn + Pb(NO3)2 =>
Pb + Zn(NO3)2 = Zn + Pb(NO3)2
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
Al(NO3)3(aq) + Na2CO3(aq) = Al2(CO3)3(s) + Na(NO3)(aq) =>
2 Al(NO3)3(aq) + 3 Na2CO3(aq) = Al2(CO3)3(s) + 6 Na(NO3)(aq)
Fe + CuF2 = CuFe + F2 =>
Fe + CuF2 = CuFe + F2
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
CaCl2 + NH3 = Ca + HCl + N =>
3 CaCl2 + 2 NH3 = 3 Ca + 6 HCl + 2 N
KMnO4 + NaCl + H2SO4 = Na2SO4 + K2SO4 + Cl2 + MnSO4 + H2O =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Na2SO4 + K2SO4 + 5 Cl2 + 2 MnSO4 + 8 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
H2SO4 + AgCl + K2Cr2O7 = Cr2(SO4)3 + Ag2SO4 + K2SO4 + Cl2 + H2O =>
7 H2SO4 + 6 AgCl + K2Cr2O7 = Cr2(SO4)3 + 3 Ag2SO4 + K2SO4 + 3 Cl2 + 7 H2O
Zn(HSO4)2 + NaOH = Zn(OH)2 + Na2SO4 + H2O =>
Zn(HSO4)2 + 4 NaOH = Zn(OH)2 + 2 Na2SO4 + 2 H2O
NaF + HCl = HF + NaCl =>
NaF + HCl = HF + NaCl
Ca(NO3)2 + P2(SO4)3 = Ca(SO4) + P(NO3)3 =>
3 Ca(NO3)2 + P2(SO4)3 = 3 Ca(SO4) + 2 P(NO3)3
Mg2O2 + H2O = MgH + O3 =>
Mg2O2 + H2O = 2 MgH + O3
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3 =>
CaCO3 + Mg(OH)2 = Ca(OH)2 + MgCO3
Au(NO3)3(aq) + Ag(s) = Ag(NO3)3(aq) + Au(s) =>
Au(NO3)3(aq) + Ag(s) = Ag(NO3)3(aq) + Au(s)
Ca(OH)2 + HI = CaI2 + HOH =>
Ca(OH)2 + 2 HI = CaI2 + 2 HOH
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