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4 C6H5Cl + S1Cl4 + 8 Na = (C6H5)4S1 + 8 NaCl
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Na2CO3 + HNO3 = NaNO3 + H2O + CO2 =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + H2O + CO2
Ca(OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
IBr + NH3 = NI3 + NH4Br =>
3 IBr + 4 NH3 = NI3 + 3 NH4Br
SF4 + H2O = SO2 + HF =>
SF4 + 2 H2O = SO2 + 4 HF
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C6H12O6 = C + H2O =>
C6H12O6 = 6 C + 6 H2O
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Na2WO4 + H2O2 = Na2WO5 + H2O =>
Na2WO4 + H2O2 = Na2WO5 + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe(CO)5 + NaOH = Na2Fe(CO)4 + Na2CO3 + H2O =>
Fe(CO)5 + 4 NaOH = Na2Fe(CO)4 + Na2CO3 + 2 H2O
HCl + C2H6O + K2CrO4 = CrCl3 + KCl + C2H4O + H2O =>
10 HCl + 3 C2H6O + 2 K2CrO4 = 2 CrCl3 + 4 KCl + 3 C2H4O + 8 H2O
Zn + NaNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + NaNO3 + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
As4O6 + I2 + H2O = As2O5 + HI =>
As4O6 + 4 I2 + 4 H2O = 2 As2O5 + 8 HI
Br2 + Mn(NO3)2 + NaOH = MnO2 + NaNO3 + NaBr + H2O =>
Br2 + Mn(NO3)2 + 4 NaOH = MnO2 + 2 NaNO3 + 2 NaBr + 2 H2O
KOH + HNO3 = KNO3 + H2O =>
KOH + HNO3 = KNO3 + H2O
Na2WO5 + HCl + Na2S = W3O8 + NaCl + S + H2O =>
3 Na2WO5 + 14 HCl + 4 Na2S = W3O8 + 14 NaCl + 4 S + 7 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Na2WO4 + HCl + Na2S = W3O8 + NaCl + S + H2O =>
3 Na2WO4 + 8 HCl + Na2S = W3O8 + 8 NaCl + S + 4 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
NH3 + O2 = N2O + H2O =>
2 NH3 + 2 O2 = N2O + 3 H2O
Al2O3 + NaOH + H2O = NaAl(OH)4 =>
Al2O3 + 2 NaOH + 3 H2O = 2 NaAl(OH)4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Cu(CO3) = CuO + CO2 =>
Cu(CO3) = CuO + CO2
K2Cr2O7 + H2O + S = SO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 KOH + 2 Cr2O3
K4[Fe(CN)6] + Br2 = K3[Fe(CN)6] + KBr =>
2 K4[Fe(CN)6] + Br2 = 2 K3[Fe(CN)6] + 2 KBr
Ca(OH)2 + CH3COOH = Ca(CH3COO)2 + H2O =>
Ca(OH)2 + 2 CH3COOH = Ca(CH3COO)2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCHO + Cu(OH)2 = Cu2O + CO2 + H2O =>
HCHO + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
C9H8O4 + H2O = C9H7O4 + H3O =>
C9H8O4 + H2O = C9H7O4 + H3O
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K4[Fe(CN)6] + Br2 = K3[Fe(CN)6] + KBr =>
2 K4[Fe(CN)6] + Br2 = 2 K3[Fe(CN)6] + 2 KBr
CH3COOH + Na = CH3COONa + H2 =>
2 CH3COOH + 2 Na = 2 CH3COONa + H2
CaO + O2 = CaO2 =>
2 CaO + O2 = 2 CaO2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
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