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2 Fe2O3 + 8 SO2 = 4 FeS2 + 11 O2
C4H6 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C4H6 + 6 KMnO4 + 9 H2SO4 = 10 CH3COOH + 6 MnSO4 + 3 K2SO4 + 4 H2O
Fe2O3 + SO2 = FeS2 + O2 =>
2 Fe2O3 + 8 SO2 = 4 FeS2 + 11 O2
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
Cl2 + AlI3 = AlCl3 + I2 =>
3 Cl2 + 2 AlI3 = 2 AlCl3 + 3 I2
Al + V2O5 = V + Al2O3 =>
10 Al + 3 V2O5 = 6 V + 5 Al2O3
H2O2 + CH3COCH3 = C9H18O6 + H3O =>
9 H2O2 + 12 CH3COCH3 = 4 C9H18O6 + 6 H3O
Na2CO3(aq) + H3C6H5O7(aq) = CO2(g) + H2O(l) + Na3C6H5O7 =>
3 Na2CO3(aq) + 2 H3C6H5O7(aq) = 3 CO2(g) + 3 H2O(l) + 2 Na3C6H5O7
Sn(OH)6{2-} + HCl + H2S = SnS2 + H2O + Cl{-} =>
Sn(OH)6{2-} + 2 HCl + 2 H2S = SnS2 + 6 H2O + 2 Cl{-}
Al(NO3)3(aq) + H2O(l) + NH3(aq) = Al(OH)3(s) + NH4NO3(aq) =>
Al(NO3)3(aq) + 3 H2O(l) + 3 NH3(aq) = Al(OH)3(s) + 3 NH4NO3(aq)
ZnO + KOH = KZnO + H2O2 =>
2 ZnO + 2 KOH = 2 KZnO + H2O2
Ba(ClO)2 + KI + HCl = I2 + BaCl + KCl + H2O =>
2 Ba(ClO)2 + 10 KI + 8 HCl = 5 I2 + 2 BaCl + 10 KCl + 4 H2O
Na2S2O3 + Br2 + H2O = NaBr + H2SO4 + S =>
Na2S2O3 + Br2 + H2O = 2 NaBr + H2SO4 + S
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
N2O3 + H2 = NH4 + H2O =>
N2O3 + 7 H2 = 2 NH4 + 3 H2O
LiCl + AgNO3 = LiNO3 + AgCl =>
LiCl + AgNO3 = LiNO3 + AgCl
Ba(NO3)2 + CaSO4 = BaSO4 + Ca(NO3)2 =>
Ba(NO3)2 + CaSO4 = BaSO4 + Ca(NO3)2
CaF2(s) + H2SO4(l) = CaSO4(s) + HF(l) =>
CaF2(s) + H2SO4(l) = CaSO4(s) + 2 HF(l)
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
SbCl + Cl2 = SbCl5 =>
SbCl + 2 Cl2 = SbCl5
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
MnSO4(NH4)2S = (NH4)2SO4MnS =>
MnSO4(NH4)2S = (NH4)2SO4MnS
C3H7OH = C2H5COHH2 =>
C3H7OH = C2H5COHH2
KNO3 + NaCl = KCl + NaNO3 =>
KNO3 + NaCl = KCl + NaNO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
Fe2O3 + SO2 = FeS + O2 =>
2 Fe2O3 + 4 SO2 = 4 FeS + 7 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeO + NaOH = Na4FeO3 + H2O =>
FeO + 4 NaOH = Na4FeO3 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Cl2 + AlI3 = AlCl3 + I2 =>
3 Cl2 + 2 AlI3 = 2 AlCl3 + 3 I2
S8 + O2 = SO2 = =>
S8 + 8 O2 = 8 SO2
NaClCuSO4 = CuClNaSO4 =>
NaClCuSO4 = CuClNaSO4
K3[Fe(CN)6] + Fe(OH)3 = Fe[Fe(CN)6] + KOH =>
K3[Fe(CN)6] + Fe(OH)3 = Fe[Fe(CN)6] + 3 KOH
Cl2 + AlI3 = AlCl3 + I2 =>
3 Cl2 + 2 AlI3 = 2 AlCl3 + 3 I2
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
Mn{2} + SO4{2-} = MnSO4 =>
Mn{2} + SO4{2-} = MnSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(NH4)2(SO4)2*6H2O + H2C2O4 = FeC2O4*2H2O + (NH4)2(SO4) + H2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + H2C2O4 = FeC2O4*2H2O + (NH4)2(SO4) + H2SO4 + 4 H2O
As3(PO4)5 + Mg3(BO3)2 = As3(BO3)5 + Mg3(PO4)2 =>
2 As3(PO4)5 + 5 Mg3(BO3)2 = 2 As3(BO3)5 + 5 Mg3(PO4)2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
CH3OH + HCO3 = C3H7O + H2O =>
20 CH3OH + HCO3 = 7 C3H7O + 16 H2O
Al + KOH + KMnO4 = K2MnO4 + K[Al(OH)4] =>
Al + 4 KOH + 3 KMnO4 = 3 K2MnO4 + K[Al(OH)4]
CH2OH(CHOH)4CHO + Ag2O = CH2OH(CHOH)4COOH + Ag =>
CH2OH(CHOH)4CHO + Ag2O = CH2OH(CHOH)4COOH + 2 Ag
Sn + HNO3 = Sn(NO3)4 + H2 =>
Sn + 4 HNO3 = Sn(NO3)4 + 2 H2
AgNO3 + NH4OH = AgOH + NH4NO3 =>
AgNO3 + NH4OH = AgOH + NH4NO3
NaCl + Co = CoCl2 + Na =>
2 NaCl + Co = CoCl2 + 2 Na
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