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2 HCOOH + Fe = Fe(HCOO)2 + H2
KOH + HNO3 = NO3 + H2O + K =>
KOH + HNO3 = NO3 + H2O + K
SnCl4 + Ba = BaCl2 + Sn =>
SnCl4 + 2 Ba = 2 BaCl2 + Sn
Pb(NO3) + HS = PbS + HNO3 =>
Pb(NO3) + HS = PbS + HNO3
Mn(NO3)2 + (NH4)2S2O8 + H2O = HMnO4 + (NH4)2SO4 + HNO3 =>
18 Mn(NO3)2 + 5(NH4)2S2O8 + 42 H2O = 18 HMnO4 + 10(NH4)2SO4 + 26 HNO3
As4S6(s) + O2(g) = As4O6(s) + SO2(g) =>
As4S6(s) + 9 O2(g) = As4O6(s) + 6 SO2(g)
KAl(SO4)2 + H2O = KAl(SO4)2*H2O =>
KAl(SO4)2 + H2O = KAl(SO4)2*H2O
SbS2(s) + Fe(s) = FeS(s) + Sb(s) =>
SbS2(s) + 2 Fe(s) = 2 FeS(s) + Sb(s)
NH4OH(l) + HCl(aq) = NH4Cl(aq) + H2O(l) =>
NH4OH(l) + HCl(aq) = NH4Cl(aq) + H2O(l)
Ba(NO3)2 + K2(SO4) = Ba(SO4) + KNO3 =>
Ba(NO3)2 + K2(SO4) = Ba(SO4) + 2 KNO3
He + H2SO4 = SO4 + HHe =>
2 He + H2SO4 = SO4 + 2 HHe
H2SO4 + CH4O + KMnO4 = CH2O2 + K2SO4 + MnSO4 + H2O =>
6 H2SO4 + 5 CH4O + 4 KMnO4 = 5 CH2O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
C6H5COOH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
C6H5COOH + 6 KMnO4 + 9 H2SO4 = 7 CO2 + 6 MnSO4 + 3 K2SO4 + 12 H2O
Cr2O7{-2} + HNO2 + H2O = Cr{+3} + NO3{-} + H =>
Cr2O7{-2} + 8 HNO2 + H2O = 2 Cr{+3} + 8 NO3{-} + 10 H
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O
Kl + Ag(NO3) = Ag + Kl(NO3) =>
Kl + Ag(NO3) = Ag + Kl(NO3)
HNO3 + Mg + O2 = MgNO3 + H2O =>
4 HNO3 + 4 Mg + O2 = 4 MgNO3 + 2 H2O
CaI2 + Pb(NO3)2 = Ca(NO3)2PbI2 =>
CaI2 + Pb(NO3)2 = Ca(NO3)2PbI2
C6H5OH + NaH = C6H5Na + H2O =>
C6H5OH + NaH = C6H5Na + H2O
CH3(CH2)5OH + O2 = CO2 + H2O =>
CH3(CH2)5OH + 9 O2 = 6 CO2 + 7 H2O
PtO2 = Pt + O2 =>
PtO2 = Pt + O2
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
C61H2 + O2 = CO2 + H2O =>
2 C61H2 + 123 O2 = 122 CO2 + 2 H2O
Cu2O = Cu + CuO =>
Cu2O = Cu + CuO
Pb + Zn(CH3COO)2 = Pb(CH3COO)4 + Zn =>
Pb + 2 Zn(CH3COO)2 = Pb(CH3COO)4 + 2 Zn
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CO2 + CaSlO3 + H2O = SlO2 + Ca(HCO3)2 =>
2 CO2 + CaSlO3 + H2O = SlO2 + Ca(HCO3)2
C2H5OH + Na2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C2H5OH + Na2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + Na2SO4 + 7 H2O
SnCl2 + Co2 = CoCl2 + Sn =>
2 SnCl2 + Co2 = 2 CoCl2 + 2 Sn
NaClO + Pb(OH)3 = PbO2 + NaCl + H2O =>
NaClO + 2 Pb(OH)3 = 2 PbO2 + NaCl + 3 H2O
BaI2 + Ag2SO4 = BaSO4 + AgI =>
BaI2 + Ag2SO4 = BaSO4 + 2 AgI
FeCI3 + CuSO4 = FeSO4 + CuCI3 =>
FeCI3 + CuSO4 = FeSO4 + CuCI3
NO2 + NaO = NaNO3 =>
NO2 + NaO = NaNO3
S2O3{2-} = S4O6{4-} =>
2 S2O3{2-} = S4O6{4-}
Na3PO4 + CrCl3 = NaCl + CrPO4 =>
Na3PO4 + CrCl3 = 3 NaCl + CrPO4
Cr(NO3)3 + KBr = CrBr3 + K(NO3) =>
Cr(NO3)3 + 3 KBr = CrBr3 + 3 K(NO3)
Sn + H2O = SnH2O =>
Sn + H2O = SnH2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
AgBr + RbClO4 = AgClO4 + RbBr =>
AgBr + RbClO4 = AgClO4 + RbBr
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
CuBr2 + KOH = KBr + Cu(OH)2 =>
CuBr2 + 2 KOH = 2 KBr + Cu(OH)2
Na2Cr2O7 + LiOH = Li2Cr2O7 + NaOH =>
Na2Cr2O7 + 2 LiOH = Li2Cr2O7 + 2 NaOH
Ph3COMgBr + H2SO4 = Ph3COH + HSO4{-} + MgBr{+} =>
Ph3COMgBr + H2SO4 = Ph3COH + HSO4{-} + MgBr{+}
CrCl3 + HF = CrF2 + Cl + H =>
CrCl3 + 2 HF = CrF2 + 3 Cl + 2 H
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
C6H18OSi2 + O2 = SiO2 + CO2 + H2O =>
C6H18OSi2 + 12 O2 = 2 SiO2 + 6 CO2 + 9 H2O
H2S + NHO3 = S + NO + H2O =>
3 H2S + 2 NHO3 = 3 S + 2 NO + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ni + SnCl2 = SnNi + Cl2 =>
Ni + SnCl2 = SnNi + Cl2
C4H10 + O2 = C102 + H2O =>
102 C4H10 + 255 O2 = 4 C102 + 510 H2O
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