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3 S + 6 NaOH = Na2SO3 + 3 H2O + 2 Na2S
(NH4)2S + HCl = (NH4)2Cl2 + H2S =>
(NH4)2S + 2 HCl = (NH4)2Cl2 + H2S
NH4Cl + Ba(OH)2 = BaCl2 + H2O + NH3 =>
2 NH4Cl + Ba(OH)2 = BaCl2 + 2 H2O + 2 NH3
NaOH + ZnSO{4} = NaSO{4} + Zn(OH) =>
NaOH + ZnSO{4} = NaSO{4} + Zn(OH)
FeS + O2 = Fe3O4 + SO3 =>
6 FeS + 13 O2 = 2 Fe3O4 + 6 SO3
PH3(g) + O2(g) = H2O(g) + P4O10(aq) =>
4 PH3(g) + 8 O2(g) = 6 H2O(g) + P4O10(aq)
(NH4)3PO4 + Na2CO3 = (NH4)2CO3 + Na3PO4 =>
2(NH4)3PO4 + 3 Na2CO3 = 3(NH4)2CO3 + 2 Na3PO4
Zn(OH)2 + Na2CO3 + H2O = Na2[Zn(OH)4] + CO2 =>
Zn(OH)2 + Na2CO3 + H2O = Na2[Zn(OH)4] + CO2
AgNO3 + H2SO4 = AgNO3H2SO4 =>
AgNO3 + H2SO4 = AgNO3H2SO4
AlCl3 + CoSO4 = AlSO4 + CoCl3 =>
AlCl3 + CoSO4 = AlSO4 + CoCl3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Zn + H2SO4 = H2 + ZnSO4 =>
Zn + H2SO4 = H2 + ZnSO4
As + NaCIO + NaOH = Na3AsO4 + NaCI + H2O =>
2 As + 5 NaCIO + 6 NaOH = 2 Na3AsO4 + 5 NaCI + 3 H2O
KMnO4(ac) + NH4OH(ac) = N2 + H2O + MnO2 + KOH =>
2 KMnO4(ac) + 2 NH4OH(ac) = N2 + 4 H2O + 2 MnO2 + 2 KOH
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
AgF + KCl = KF + AgCl =>
AgF + KCl = KF + AgCl
KCrO4 + KNO2 + H2SO4 = CrSO4 + H2O + KNO3 + K2SO4 =>
2 KCrO4 + 5 KNO2 + 3 H2SO4 = 2 CrSO4 + 3 H2O + 5 KNO3 + K2SO4
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
CH3Cl3 + Cl2 = CCl4 + HCl =>
CH3Cl3 + 2 Cl2 = CCl4 + 3 HCl
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Mg(aq) + OH(aq) = Mg(OH) =>
Mg(aq) + OH(aq) = Mg(OH)
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Na2S + Na2CO3 + SO2 = Na2S2O3 + CO2 =>
2 Na2S + Na2CO3 + 4 SO2 = 3 Na2S2O3 + CO2
Ca(HSO3)2(s) + H2O = Ca(OH)2 + H2SO3 =>
Ca(HSO3)2(s) + 2 H2O = Ca(OH)2 + 2 H2SO3
CuSO4 + Na2S = Cu2S + S + Na2SO4 =>
2 CuSO4 + 2 Na2S = Cu2S + S + 2 Na2SO4
Sn + Au(No3)3 = Sn(No3)2 + Au =>
3 Sn + 2 Au(No3)3 = 3 Sn(No3)2 + 2 Au
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
Au + NiSO4 = AuSO4 + Ni =>
Au + NiSO4 = AuSO4 + Ni
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
H2 + S + CuCl2 = CuS + HCl =>
H2 + S + CuCl2 = CuS + 2 HCl
AgNO3 + NH3 = Ag[(NH3)2]NO3 =>
AgNO3 + 2 NH3 = Ag[(NH3)2]NO3
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
HCH3CO2 + OH = CH3CO2 + H2O =>
HCH3CO2 + OH = CH3CO2 + H2O
Hg2NO3 = Hg + NO2 + O2 =>
2 Hg2NO3 = 4 Hg + 2 NO2 + O2
CuO + H3PO4 = Cu3(PO4)2 + H2O =>
3 CuO + 2 H3PO4 = Cu3(PO4)2 + 3 H2O
Cu2(O2C2H3)4 + C4H6O6 = Cu2(C4H4O6)4 + H2O + HO2C2H3 =>
3 Cu2(O2C2H3)4 + 14 C4H6O6 = 3 Cu2(C4H4O6)4 + 4 H2O + 16 HO2C2H3
KMnO4 + K2S03 + H2O = K2SO4 + MnO2 + KOH =>
20 KMnO4 + 3 K2S03 + 4 H2O = 9 K2SO4 + 20 MnO2 + 8 KOH
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Cl2 + Cr2O3 + KOH = K2CrO4 + KCl + H2O =>
3 Cl2 + Cr2O3 + 10 KOH = 2 K2CrO4 + 6 KCl + 5 H2O
Sc2O3 + HCl = ScCl3 + H2O =>
Sc2O3 + 6 HCl = 2 ScCl3 + 3 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
KI + HNO3 + H2SO4 = K2SO4 + I2 + NO2 + H2O =>
2 KI + 2 HNO3 + H2SO4 = K2SO4 + I2 + 2 NO2 + 2 H2O
C3H7OH + KMnO4 = C3H7O + KMnO4H =>
C3H7OH + KMnO4 = C3H7O + KMnO4H
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cl + O2 = Cl2O5 =>
4 Cl + 5 O2 = 2 Cl2O5
H2SO4 + C20H14O4 + NaOH = NaSO + H2O + HC20 =>
H2SO4 + C20H14O4 + NaOH = NaSO + 8 H2O + HC20
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