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3 Fe + 4 H2O = Fe3O4 + 4 H2
H3 + Br2 = HBr =>
2 H3 + 3 Br2 = 6 HBr
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Rb(PO4) + Al(NO3) = Rb(NO3) + Al(PO4) =>
Rb(PO4) + Al(NO3) = Rb(NO3) + Al(PO4)
FeC2O4 + K = K2C2O4 + Fe =>
FeC2O4 + 2 K = K2C2O4 + Fe
Fe + (NH4)2S2O8 = (FeSO4)2 + NH4 =>
2 Fe + (NH4)2S2O8 = (FeSO4)2 + 2 NH4
Cl2 + KBr = Br + K(Cl2) =>
Cl2 + KBr = Br + K(Cl2)
NaC2H3O2 + HClO3 = NaClO3 + HC2H3O2 =>
NaC2H3O2 + HClO3 = NaClO3 + HC2H3O2
Mn2O3 + Mg + SiC = MnSiC + MgO =>
Mn2O3 + 3 Mg + 2 SiC = 2 MnSiC + 3 MgO
MnO2 + NaOH + H2O = Na2Mn(OH)6 =>
MnO2 + 2 NaOH + 2 H2O = Na2Mn(OH)6
CH2O + NaCl = H2O + NaClC =>
CH2O + NaCl = H2O + NaClC
Zn(OH)2BaO = ZnOBa(OH)2 =>
Zn(OH)2BaO = ZnOBa(OH)2
H2S2O3 + Sn(OH)2 = SnS2O3 + H2O =>
H2S2O3 + Sn(OH)2 = SnS2O3 + 2 H2O
HBrO3 + Cr(OH)3 = Cr(BrO3)3 + H2O =>
3 HBrO3 + Cr(OH)3 = Cr(BrO3)3 + 3 H2O
K2CrO4 + NaOH + HCl = KCl + Na2CrO4 + H2O =>
K2CrO4 + 2 NaOH + 2 HCl = 2 KCl + Na2CrO4 + 2 H2O
CuCl + NH3 = CuNH3 + Cl =>
CuCl + NH3 = CuNH3 + Cl
Al(s) + Pb(NO3)2(aq) = Al(NO3)3(aq) + Pb =>
2 Al(s) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Pb
C10H20N4 + H2SO4 = CO2 + (NH4)2SO4 + H2O + SO2 =>
C10H20N4 + 26 H2SO4 = 10 CO2 + 2(NH4)2SO4 + 28 H2O + 24 SO2
CO3Ca + Cl + Na = CaCl2 + Na2CO3 =>
CO3Ca + 2 Cl + 2 Na = CaCl2 + Na2CO3
CH3CH3 + NH3 = CH3CH3NH3 =>
CH3CH3 + NH3 = CH3CH3NH3
BaS(s) + O3 = BaSO3 =>
BaS(s) + O3 = BaSO3
Na2O2 + H3PO4 = NaH2PO4 + H2O2 =>
Na2O2 + 2 H3PO4 = 2 NaH2PO4 + H2O2
Pb + NaI = Pb(NaI)2 =>
Pb + 2 NaI = Pb(NaI)2
Al + H2O + O2 = OH{-} + Al{3+} =>
4 Al + 6 H2O + 3 O2 = 12 OH{-} + 4 Al{3+}
Ca + (OH)2 + HBr = CaBr2 + H2O =>
Ca + (OH)2 + 2 HBr = CaBr2 + 2 H2O
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
CaH2 + H2SO4 = Ca(SO4)2 + H2 =>
CaH2 + 2 H2SO4 = Ca(SO4)2 + 3 H2
K2O(s) + N2(g) = KNO3(s) + K(s) =>
6 K2O(s) + N2(g) = 2 KNO3(s) + 10 K(s)
CH3CH2CHCH2 + KMnO4 + H2SO4 = CH3CH2COOH + MnSO4 + K2SO4 + H2O =>
15 CH3CH2CHCH2 + 16 KMnO4 + 24 H2SO4 = 20 CH3CH2COOH + 16 MnSO4 + 8 K2SO4 + 24 H2O
N2O + NH3 = N3 + H3O =>
N2O + NH3 = N3 + H3O
CrO4{2-} + C2H5OH + H{+} = Cr{3+} + H3CCOOH + H2O =>
4 CrO4{2-} + 3 C2H5OH + 20 H{+} = 4 Cr{3+} + 3 H3CCOOH + 13 H2O
Cu{2+} + P2O7{4-} = Cu(P2O7)2{6-} =>
Cu{2+} + 2 P2O7{4-} = Cu(P2O7)2{6-}
Zn + HCl + H2O = [Zn(OH)4]Cl2 + H2 =>
Zn + 2 HCl + 4 H2O = [Zn(OH)4]Cl2 + 3 H2
FeCl3 + Al = AlCl3 + Fe =>
FeCl3 + Al = AlCl3 + Fe
BaCO3 + CaCl2 = CaCO3 + BaCl2 =>
BaCO3 + CaCl2 = CaCO3 + BaCl2
SnCl2 + Bi(OH)3 = BiCl3 + SnO + H2O =>
3 SnCl2 + 2 Bi(OH)3 = 2 BiCl3 + 3 SnO + 3 H2O
Na2O + (NH4)2SO3 = (NH4)2O + Na2SO3 =>
Na2O + (NH4)2SO3 = (NH4)2O + Na2SO3
Mn + Cl2 = Mn3Cl2 =>
3 Mn + Cl2 = Mn3Cl2
La2O3 + H2 = La2(OH)3 =>
2 La2O3 + 3 H2 = 2 La2(OH)3
C6H8O6 + CaCl2 = C12H14CaO12 + HCl =>
2 C6H8O6 + CaCl2 = C12H14CaO12 + 2 HCl
Sr(OH)2 + NH3 = Sr(NH3)4 + OH =>
Sr(OH)2 + 4 NH3 = Sr(NH3)4 + 2 OH
C4H10 + O2 = CO2 + H200 =>
20 C4H10 + 80 O2 = 80 CO2 + H200
TaF5 + H2 = Ta + HF =>
2 TaF5 + 5 H2 = 2 Ta + 10 HF
Ga2(CO3)3 + HNO3 = Ga(NO3)3 + H2CO3 =>
Ga2(CO3)3 + 6 HNO3 = 2 Ga(NO3)3 + 3 H2CO3
C12H22O12 + O2 = CO + H2O =>
2 C12H22O12 + 11 O2 = 24 CO + 22 H2O
Li3PO4 + Pb = Pb3(PO4)2 + Li =>
2 Li3PO4 + 3 Pb = Pb3(PO4)2 + 6 Li
Cu{+2} + AgNO3 = Ag{2+} + CuNO3 =>
Cu{+2} + AgNO3 = Ag{2+} + CuNO3
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7 =>
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7
Li + Zn(OH)2 = LiOH + Zn =>
2 Li + Zn(OH)2 = 2 LiOH + Zn
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
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