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Fe(CN)2 + 4 CN{-} = [Fe(CN)6]{4-}
Cr2O7 + I{-} + H{+} = Cr3{+} + I2 + H2O =>
3 Cr2O7 + 40 I{-} + 42 H{+} = 2 Cr3{+} + 20 I2 + 21 H2O
K2G2O7 + KOH = K2GO4 + H2O =>
K2G2O7 + 2 KOH = 2 K2GO4 + H2O
CaSO4 + KCN = Ca(CN)2 + K2SO4 =>
CaSO4 + 2 KCN = Ca(CN)2 + K2SO4
K2S + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O =>
5 K2S + 8 KMnO4 + 12 H2SO4 = 9 K2SO4 + 8 MnSO4 + 12 H2O
PbC(O)3 = PbO + C(O)2 =>
PbC(O)3 = PbO + C(O)2
SiO2 + NaOH = Na2Si2O5 + H2O =>
2 SiO2 + 2 NaOH = Na2Si2O5 + H2O
AgClO3 + HCl = AgCl + Cl2 + H2O =>
AgClO3 + 6 HCl = AgCl + 3 Cl2 + 3 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2CO3 =>
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2CO3
Fe(SCN) + Fe(NO3)3 = Fe + SCNNO3 =>
3 Fe(SCN) + Fe(NO3)3 = 4 Fe + 3 SCNNO3
CH2BrCH2CH2CH2Br + KOH = CH2OHCH2CH2CH2OH + KBr =>
CH2BrCH2CH2CH2Br + 2 KOH = CH2OHCH2CH2CH2OH + 2 KBr
Ba(Cl2)2 + H3 + PO4 = HCl + Ba3(PO4)2 =>
3 Ba(Cl2)2 + 4 H3 + 2 PO4 = 12 HCl + Ba3(PO4)2
*Fe(s) + *O(aq) = Fe3O4 =>
3*Fe(s) + 4*O(aq) = Fe3O4
KI + HCl + NaNO2 = I2 + NaCl + KOH + NO =>
2 KI + 2 HCl + 2 NaNO2 = I2 + 2 NaCl + 2 KOH + 2 NO
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
CaO + H2 = Ca + H2O =>
CaO + H2 = Ca + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HNO2 + BaCO3 = Ba(NO2)2 + H2O + CO2 =>
2 HNO2 + BaCO3 = Ba(NO2)2 + H2O + CO2
Cu + H2TeO4 = CuTeO4 + H2 =>
Cu + H2TeO4 = CuTeO4 + H2
HCOOH + HCl = HCOCl + H2O =>
HCOOH + HCl = HCOCl + H2O
Ca + HCe = CaCe2 + H2 =>
Ca + 2 HCe = CaCe2 + H2
CaSO4 + CO2 = SO2 + CaCO3 + O2 =>
2 CaSO4 + 2 CO2 = 2 SO2 + 2 CaCO3 + O2
Ne + H2 = NeH2 =>
Ne + H2 = NeH2
Fe3O4 + Al = Fe + Al2O3 =>
3 Fe3O4 + 8 Al = 9 Fe + 4 Al2O3
Cr(NO3)3 + Mg = Mg(NO3)2 + Cr =>
2 Cr(NO3)3 + 3 Mg = 3 Mg(NO3)2 + 2 Cr
K3[Fe(CN)6] + H3PO4 = HCN + K3PO4 + FePO4 =>
K3[Fe(CN)6] + 2 H3PO4 = 6 HCN + K3PO4 + FePO4
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl =>
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl
AgNO3 + HCl = AgH + NCl + O =>
AgNO3 + HCl = AgH + NCl + 3 O
(CH3CO)2O + CH3CH2NH2 = CH3CONHCH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2NH2 = CH3CONHCH2CH3 + CH3COOH
SO3 + Na2O = Na2SO4 =>
SO3 + Na2O = Na2SO4
Zn + Fe2SO4 = ZnSO4 + Fe2 =>
Zn + Fe2SO4 = ZnSO4 + Fe2
Zn + HNO3 = N2 + Zn(NO3)2 + H2O =>
5 Zn + 12 HNO3 = N2 + 5 Zn(NO3)2 + 6 H2O
Ag(NO3)2(aq) + BaCl2(aq) = AgCl2(s) + Ba(NO3)2(aq) =>
Ag(NO3)2(aq) + BaCl2(aq) = AgCl2(s) + Ba(NO3)2(aq)
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
HNo3 + Mn(OH)2 = H2O + Mn(No3)2 =>
2 HNo3 + Mn(OH)2 = 2 H2O + Mn(No3)2
Ca(NO3)2 + KI = CaI + (NO3)2K =>
Ca(NO3)2 + KI = CaI + (NO3)2K
C5H10Br2 + Zn = C5H10Br2Zn =>
C5H10Br2 + Zn = C5H10Br2Zn
Cl2 + KI + NaOH = KCl + NaIO3 + H2O + NaCl =>
3 Cl2 + KI + 6 NaOH = KCl + NaIO3 + 3 H2O + 5 NaCl
Bi(NO3)2 + Na2SnO2 = Bi + Na2SnO3 + NO2 =>
Bi(NO3)2 + 2 Na2SnO2 = Bi + 2 Na2SnO3 + 2 NO2
CaCO3(s) + HCl(aq) = CO2(g) + CaCl2(aq) + H2O(g) =>
CaCO3(s) + 2 HCl(aq) = CO2(g) + CaCl2(aq) + H2O(g)
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al(OH)3 + H2SO4(aq) = Al{3+} + SO4{2-} + H2O =>
2 Al(OH)3 + 3 H2SO4(aq) = 2 Al{3+} + 3 SO4{2-} + 6 H2O
SNCl2 + FeCl3 = SNCl4 + FeCl2 =>
SNCl2 + 2 FeCl3 = SNCl4 + 2 FeCl2
Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 Fe(CN)6 + 114 KMnO4 + 243 H2SO4 = 114 KHSO4 + 5 Fe2(SO4)3 + 114 MnSO4 + 60 HNO3 + 60 CO2 + 156 H2O
MnO2 + KBr + H2SO4 = Mn(OH)2 + Br2 + K2SO4 =>
MnO2 + 2 KBr + H2SO4 = Mn(OH)2 + Br2 + K2SO4
AgNO3 + NaBr + NH4OH = AgOH + NH4Br + NaNO3 =>
AgNO3 + NaBr + NH4OH = AgOH + NH4Br + NaNO3
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