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3 Fe + 4 H2O = Fe3O4 + 4 H2
KBr + Ca(OH)2 = K(OH) + CaBr2 =>
2 KBr + Ca(OH)2 = 2 K(OH) + CaBr2
Fe2 + Br = Fe2Br =>
Fe2 + Br = Fe2Br
Mg + H3PO4 = Mg4(PO4)3 + H2 =>
8 Mg + 6 H3PO4 = 2 Mg4(PO4)3 + 9 H2
CuS + NaOH = Cu(OH)2 + Na2S =>
CuS + 2 NaOH = Cu(OH)2 + Na2S
Br2(l) + CuCl2(aq) = CuBr + Cl2 =>
Br2(l) + 2 CuCl2(aq) = 2 CuBr + 2 Cl2
Sn + HNO3 + HCl = SnCl4 + NO + H2O =>
3 Sn + 4 HNO3 + 12 HCl = 3 SnCl4 + 4 NO + 8 H2O
S + FeCl3 = Fe2S3 + Cl2 =>
3 S + 2 FeCl3 = Fe2S3 + 3 Cl2
CuSO4 + NaHCO3 = Cu(OH)2 + Na2SO4 + CO2 =>
CuSO4 + 2 NaHCO3 = Cu(OH)2 + Na2SO4 + 2 CO2
Pb(HCO3)2 + HCl = PbCl2 + H2O + CO2 =>
Pb(HCO3)2 + 2 HCl = PbCl2 + 2 H2O + 2 CO2
(NH4)2(SO4) + BaCl2 = (NH4)Cl + Ba2(SO4)2 =>
2(NH4)2(SO4) + 2 BaCl2 = 4(NH4)Cl + Ba2(SO4)2
NaBH4 + CH3OH = NaBOCH3 + H2 =>
2 NaBH4 + 2 CH3OH = 2 NaBOCH3 + 5 H2
MnS + O2 = MnO + SO2 =>
2 MnS + 3 O2 = 2 MnO + 2 SO2
Al2(SO4)3 + Br(NO3) = AlBr3 + SO4(NO3)2 =>
Al2(SO4)3 + 6 Br(NO3) = 2 AlBr3 + 3 SO4(NO3)2
Ag{+} + HNO3 = AgNO3{+} + NO + H2O =>
3 Ag{+} + 4 HNO3 = 3 AgNO3{+} + NO + 2 H2O
NaClO4 + Cr(OH)3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 NaClO4 + 8 Cr(OH)3 + 16 NaOH = 8 Na2CrO4 + 3 NaCl + 20 H2O
Bi + K2CrO4 = BiCrO4 + K2 =>
Bi + K2CrO4 = BiCrO4 + K2
PbBr2 + H2S = PbS + HBr =>
PbBr2 + H2S = PbS + 2 HBr
HI + B(OH)3 = BI3 + H2O =>
3 HI + B(OH)3 = BI3 + 3 H2O
C4H9SH(l) + NaOCl(aq) = (C4H9)2S2(l) + NaCl(aq) + H2O =>
2 C4H9SH(l) + NaOCl(aq) = (C4H9)2S2(l) + NaCl(aq) + H2O
AlH3 + HNO3 = Al(NO3)3 + H2 =>
AlH3 + 3 HNO3 = Al(NO3)3 + 3 H2
Al + (NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al + (NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
(CaOH)2CO3 + H2SO3 = CO2 + H2O + (CaOH)2SO3 =>
(CaOH)2CO3 + H2SO3 = CO2 + H2O + (CaOH)2SO3
NaCO3 + CH3COOH = CO2 + Na + H2O =>
4 NaCO3 + CH3COOH = 6 CO2 + 4 Na + 2 H2O
La2O3 + B2O3 + C = LaB6 + CO =>
La2O3 + 6 B2O3 + 21 C = 2 LaB6 + 21 CO
CuSO4 + NH4Cl = Cu(NH4)2 + SO4Cl2 =>
CuSO4 + 2 NH4Cl = Cu(NH4)2 + SO4Cl2
C2H5OH + H2CrO4 + H{+} = Cr{3+} + H2CO3 + H2O =>
C2H5OH + 4 H2CrO4 + 12 H{+} = 4 Cr{3+} + 2 H2CO3 + 11 H2O
Ca3N2 + HI = CaI2 + NH3 =>
Ca3N2 + 6 HI = 3 CaI2 + 2 NH3
C8H14O2 + O2 = CO + H2O =>
2 C8H14O2 + 13 O2 = 16 CO + 14 H2O
Mg(OH)2 + NO2 = Mg(NO3)2 + H2 =>
Mg(OH)2 + 2 NO2 = Mg(NO3)2 + H2
C7H5O3Na + H2SO4 = C7H6O3 + Na2SO4 =>
2 C7H5O3Na + H2SO4 = 2 C7H6O3 + Na2SO4
Bi(NO3)2 + H2S = BiS + H2(NO3)2 =>
Bi(NO3)2 + H2S = BiS + H2(NO3)2
Ba2{+} + OH{-} + H2 = Ba + H2O =>
2 Ba2{+} + 2 OH{-} + H2 = 4 Ba + 2 H2O
C3H7O2N + O2 = CO(NH2)2 + CO2 + H2O =>
2 C3H7O2N + 6 O2 = CO(NH2)2 + 5 CO2 + 5 H2O
KMnO4 + HCl + KCl = K3MnCl6 + Cl2 + H2O =>
KMnO4 + 8 HCl + 2 KCl = K3MnCl6 + 2 Cl2 + 4 H2O
C + H2 + O2 = CH3OH =>
2 C + 4 H2 + O2 = 2 CH3OH
H3CBF2 + C8H8F2 + H2 = BF3 + C6H10(C2H5)2 =>
2 H3CBF2 + C8H8F2 + 3 H2 = 2 BF3 + C6H10(C2H5)2
CS2 + NO = CO + S + N =>
CS2 + NO = CO + 2 S + N
H2(SO4) + Ca(OH)2 = H2O + Ca(SO4) =>
H2(SO4) + Ca(OH)2 = 2 H2O + Ca(SO4)
KCl*NaCl = KCl + NaCl =>
KCl*NaCl = KCl + NaCl
SnO2 + HBr = SnBr2 + Br + H2O =>
SnO2 + 4 HBr = SnBr2 + 2 Br + 2 H2O
Fe + N2 = FeN2 =>
Fe + N2 = FeN2
K3[Fe(CN)6] + FeCl2 = KCl + KFe[Fe(CN)6] =>
K3[Fe(CN)6] + FeCl2 = 2 KCl + KFe[Fe(CN)6]
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Zn + Ni(NO3)3 = Zn(NO3)2 + Ni =>
3 Zn + 2 Ni(NO3)3 = 3 Zn(NO3)2 + 2 Ni
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na3PO4*12H2O + BaCl2 = Ba3(PO4)2 + NaCl + H2O =>
2 Na3PO4*12H2O + 3 BaCl2 = Ba3(PO4)2 + 6 NaCl + 24 H2O
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
KHC8H4O4 + NaOH = KHC8H3O4Na + H2O =>
KHC8H4O4 + NaOH = KHC8H3O4Na + H2O
NaCl + Mg2 = Na2Mg + Cl =>
4 NaCl + Mg2 = 2 Na2Mg + 4 Cl
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