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2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
HCl + HNO3 + Cu = NO + CuCl2 + H2O =>
6 HCl + 2 HNO3 + 3 Cu = 2 NO + 3 CuCl2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Ca(HCO3)2 + H2SO4 = CaSO4 + H2O + CO2 =>
Ca(HCO3)2 + H2SO4 = CaSO4 + 2 H2O + 2 CO2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Al + CuCl2 = AlCl2 + Cu =>
Al + CuCl2 = AlCl2 + Cu
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
MnO2 + Al = Mn + AlO2 =>
MnO2 + Al = Mn + AlO2
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Ca(HCO3)2 + H2SO4 = CaSO4 + H2O + CO2 =>
Ca(HCO3)2 + H2SO4 = CaSO4 + 2 H2O + 2 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SO3{-2} + Fe{+3} + H2O = SO4{-2} + Fe{+2} + H{+} =>
SO3{-2} + 2 Fe{+3} + H2O = SO4{-2} + 2 Fe{+2} + 2 H{+}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HNO3 + KI = NO + I2 + H2O + KNO3 =>
8 HNO3 + 6 KI = 2 NO + 3 I2 + 4 H2O + 6 KNO3
C8H7NO3 + Sn + HCl = C8H7ONH2 + SnO + Cl =>
C8H7NO3 + 2 Sn + 2 HCl = C8H7ONH2 + 2 SnO + 2 Cl
NaOH + CaCl2 = NaCl + Ca(OH)2 =>
2 NaOH + CaCl2 = 2 NaCl + Ca(OH)2
NaOH + CaCl2 = NaCl + H2O + CaO =>
2 NaOH + CaCl2 = 2 NaCl + H2O + CaO
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaOH + CaCl2 = NaCl + HCl + CaO =>
NaOH + CaCl2 = NaCl + HCl + CaO
HClO = HClO3 + HCl =>
3 HClO = HClO3 + 2 HCl
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
CuSO4 + Na2S = CuS2 + Na + O4 =>
CuSO4 + Na2S = CuS2 + 2 Na + O4
HCl(aq) + Ca(OH)2(aq) = H2O(aq) + CaCl2(l) =>
2 HCl(aq) + Ca(OH)2(aq) = 2 H2O(aq) + CaCl2(l)
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
NO2{-} + MnO4{-} + H{+} = NO3{-} + Mn{+2} + H2O =>
5 NO2{-} + 2 MnO4{-} + 6 H{+} = 5 NO3{-} + 2 Mn{+2} + 3 H2O
H2SO4 + NAOH = NAHSO4 + H2O =>
H2SO4 + NAOH = NAHSO4 + H2O
H2SO4 + NaOH = NaHSO4 + H2O =>
H2SO4 + NaOH = NaHSO4 + H2O
N2H4 + K2SeO4 + HCl = N2 + Se + KCl + H2O =>
3 N2H4 + 2 K2SeO4 + 4 HCl = 3 N2 + 2 Se + 4 KCl + 8 H2O
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O =>
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
MgS + NaCl = Na2S + MgCl2 =>
MgS + 2 NaCl = Na2S + MgCl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C8H18 + O2 = CO2 + H2 =>
C8H18 + 8 O2 = 8 CO2 + 9 H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O =>
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O
BaCl2 + Al2(SO4)3 = AlCl3 + BaSO4 =>
3 BaCl2 + Al2(SO4)3 = 2 AlCl3 + 3 BaSO4
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