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4 S + 2 Fe2O3 = 4 FeS + 3 O2
Zn + MgO = Mg + ZnO =>
Zn + MgO = Mg + ZnO
Na2SnO2 + Cl2 + NaOH = NaCl + Na2SnO4 + H2O =>
Na2SnO2 + 2 Cl2 + 4 NaOH = 4 NaCl + Na2SnO4 + 2 H2O
Au(HO)3 + H3PO4 = Au3(PO4)3 + H2O =>
3 Au(HO)3 + 3 H3PO4 = Au3(PO4)3 + 9 H2O
HPO3{-2} + MnO4{-} + H{+} = PO4{-3} + Mn{+2} + H2O =>
5 HPO3{-2} + 2 MnO4{-} + H{+} = 5 PO4{-3} + 2 Mn{+2} + 3 H2O
Br2 + AgI = AgBr + I =>
Br2 + 2 AgI = 2 AgBr + 2 I
RbBr + AgNO = AgBr + RbNO =>
RbBr + AgNO = AgBr + RbNO
Zn + CaO = ZnO + Ca =>
Zn + CaO = ZnO + Ca
BaS + CuSO4 = CuS + BaSO4 =>
BaS + CuSO4 = CuS + BaSO4
CaCO3 + MgSO4 = MgCO3 + CaSO4 =>
CaCO3 + MgSO4 = MgCO3 + CaSO4
Zn + Pb2(SO4)3 = ZnSO4 + Pb =>
3 Zn + Pb2(SO4)3 = 3 ZnSO4 + 2 Pb
[Al(OH)4] + HNO3 = NO3 + Al(NO3)3 + H2O =>
[Al(OH)4] + 4 HNO3 = NO3 + Al(NO3)3 + 4 H2O
Na2CrO4 + AlCl3 = Al2(CrO4)3 + NaCl =>
3 Na2CrO4 + 2 AlCl3 = Al2(CrO4)3 + 6 NaCl
IBr + KI = I2 + KBr =>
IBr + KI = I2 + KBr
C1 + O2 = CO2 =>
C1 + O2 = CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CoCl2 + Ca(OH)2 = CaCl2 + Co(OH)2 =>
CoCl2 + Ca(OH)2 = CaCl2 + Co(OH)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C6H10O + NaBH4 + H2O = C6H12O + NaB(OH)3 =>
7 C6H10O + 2 NaBH4 + 6 H2O = 7 C6H12O + 2 NaB(OH)3
HBO2 + KIO3 + KI = KBO2 + I + H2O =>
6 HBO2 + KIO3 + 5 KI = 6 KBO2 + 6 I + 3 H2O
H2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
H2S + 8 KMnO4 + 10 KOH = K2SO4 + 8 K2MnO4 + 6 H2O
NaCl + H2O + NO2 = NaNO3 + NO + HCl =>
2 NaCl + H2O + 3 NO2 = 2 NaNO3 + NO + 2 HCl
Fe2SO4 + KI = K2SO4 + FeI =>
Fe2SO4 + 2 KI = K2SO4 + 2 FeI
CuBr + KClO3 = KCl + Br2 + CuO =>
6 CuBr + 2 KClO3 = 2 KCl + 3 Br2 + 6 CuO
AlP + H2O = Al2O3*3H2O + PH3 =>
2 AlP + 6 H2O = Al2O3*3H2O + 2 PH3
CH3CH2NH2 + H2O = CH3CH2OH + NH3 =>
CH3CH2NH2 + H2O = CH3CH2OH + NH3
C10H15NO + HCl + P + I = HI + POCl3 + C10H15N =>
C10H15NO + 3 HCl + P + 3 I = 3 HI + POCl3 + C10H15N
As2O3 + I2 + H2O = As2O5 + HI =>
As2O3 + 2 I2 + 2 H2O = As2O5 + 4 HI
(NH4)2SO4(aq) + Ca(CH3COO)2(aq) = CaSO4(s) + CH3COONH4(aq) =>
(NH4)2SO4(aq) + Ca(CH3COO)2(aq) = CaSO4(s) + 2 CH3COONH4(aq)
SO2 + HCl = Cl2 + H2O + SO =>
SO2 + 2 HCl = Cl2 + H2O + SO
NaOH + Cu(Cl3)2 = Cu(OH)2 + NaCl3 =>
2 NaOH + Cu(Cl3)2 = Cu(OH)2 + 2 NaCl3
W2P2O11 + NaWO3 = Na4W8P4O32 + O2 =>
2 W2P2O11 + 4 NaWO3 = Na4W8P4O32 + O2
Mn + CH3CO2 = Mn(CH3CO2)2 =>
Mn + 2 CH3CO2 = Mn(CH3CO2)2
CH4 + O2 = CO7 + H2O =>
2 CH4 + 9 O2 = 2 CO7 + 4 H2O
Ca(NO3)2 + Na2SO4 = NaNO3 + Ca(SO4) =>
Ca(NO3)2 + Na2SO4 = 2 NaNO3 + Ca(SO4)
Fe3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K =>
4 Fe3 + 9 K4[Fe(CN)6] = 3 Fe4[Fe(CN)6]3 + 36 K
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Na2[Zn(OH)4] + AlCl3 = Al(OH)3 + Zn(OH)2 + NaCl =>
3 Na2[Zn(OH)4] + 2 AlCl3 = 2 Al(OH)3 + 3 Zn(OH)2 + 6 NaCl
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
C11H24 = C3H8 + C2H4 =>
C11H24 = C3H8 + 4 C2H4
Zn(NO3)2 + Na2CO3 = ZnCO3 + Na + NO3 =>
Zn(NO3)2 + Na2CO3 = ZnCO3 + 2 Na + 2 NO3
Ba + (PO4)2 = Ba{2+} + PO4{-3} =>
3 Ba + (PO4)2 = 3 Ba{2+} + 2 PO4{-3}
Fe2O3 + Fe + H2SO4 = H2O*FeSO4 =>
Fe2O3 + Fe + 3 H2SO4 = 3 H2O*FeSO4
KOH(aq) + H2SO4 = KOH2 + HSO4 =>
KOH(aq) + H2SO4 = KOH2 + HSO4
FeCl3 + NH4VO3 = Fe(VO3)3 + NH3 + HCl =>
FeCl3 + 3 NH4VO3 = Fe(VO3)3 + 3 NH3 + 3 HCl
HCl + (HOCH2)3CNH2 = (HOCH2)3CNH3Cl =>
HCl + (HOCH2)3CNH2 = (HOCH2)3CNH3Cl
C5H10 + KMnO4 + KOH = C5H8O4K2 + K2MnO4 + H2O =>
C5H10 + 8 KMnO4 + 10 KOH = C5H8O4K2 + 8 K2MnO4 + 6 H2O
Zn + CH3COOH = ZnCH3CO2 + H2 =>
2 Zn + 2 CH3COOH = 2 ZnCH3CO2 + H2
HB7 + KOH = KB7 + H2O =>
HB7 + KOH = KB7 + H2O
Cu(NO3)2(aq) + K3PO4(aq) = Cu3(PO4)2(aq) + KNO3(aq) =>
3 Cu(NO3)2(aq) + 2 K3PO4(aq) = Cu3(PO4)2(aq) + 6 KNO3(aq)
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