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4 Fe + 3 O2 = 2 Fe2O3
NH3 + Sr(OH)2 = Sr3N2 + H2O =>
2 NH3 + 3 Sr(OH)2 = Sr3N2 + 6 H2O
BeO + NaOH = Na2(BeO2) + H2O =>
BeO + 2 NaOH = Na2(BeO2) + H2O
C + O = CO2 =>
C + 2 O = CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuO + NH4OH = Cu(OH)2 + NH3 =>
CuO + NH4OH = Cu(OH)2 + NH3
K3[Fe(CN)6] + HNO3 = HFe(CN)6NO3 + K =>
K3[Fe(CN)6] + HNO3 = HFe(CN)6NO3 + 3 K
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2SO3 + MgS = MgSO4 + H2S =>
4 H2SO3 + 3 MgS = 3 MgSO4 + 4 H2S
BrCl + O2 = BrClO3 =>
2 BrCl + 3 O2 = 2 BrClO3
NaHCO3 + CH2ClCOOH = CH3COO + NaCO3 + HCl =>
NaHCO3 + CH2ClCOOH = CH3COO + NaCO3 + HCl
KCrO2 + HNO3 = Cr(NO3)3 + KNO3 + H2O =>
KCrO2 + 4 HNO3 = Cr(NO3)3 + KNO3 + 2 H2O
K + Ba(OH)2 = KOH + Ba =>
2 K + Ba(OH)2 = 2 KOH + Ba
AlCl3 + Na2S + H2O = NaCl + Al(OH)3 + H2S =>
2 AlCl3 + 3 Na2S + 6 H2O = 6 NaCl + 2 Al(OH)3 + 3 H2S
Cl2 + HNO3 = HClO3 + NO2 + H2O =>
Cl2 + 10 HNO3 = 2 HClO3 + 10 NO2 + 4 H2O
Mn(OH)3 + O2 = MnO2 + H2O =>
4 Mn(OH)3 + O2 = 4 MnO2 + 6 H2O
NaHSO4 + NH4Cl = NaCl + NH3SO3 + H2O =>
NaHSO4 + NH4Cl = NaCl + NH3SO3 + H2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
K + H2 = KH =>
2 K + H2 = 2 KH
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
FeCu + HCl = FeCuH + Cl =>
FeCu + HCl = FeCuH + Cl
K2SO4(aq) + MgF2(aq) = KF(aq) + MgSO4(aq) =>
K2SO4(aq) + MgF2(aq) = 2 KF(aq) + MgSO4(aq)
KMnO4 + KH2PO2 = K3PO4 + MnO2 + H2O + HPO2 =>
8 KMnO4 + 7 KH2PO2 = 5 K3PO4 + 8 MnO2 + 6 H2O + 2 HPO2
NaOH + C2H3O2 + SO4 = Na2SO4 + CO2 + H2O =>
14 NaOH + 2 C2H3O2 + 7 SO4 = 7 Na2SO4 + 4 CO2 + 10 H2O
BaCl2CaCO3 = BaCO3CaCl2 =>
BaCl2CaCO3 = BaCO3CaCl2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
(NH4)2S + HNO3 = NH3 + S + H2O =>
4(NH4)2S + HNO3 = 9 NH3 + 4 S + 3 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaNa3 = Na = N2 =>
NaNa3 = 4 Na
F2 + LiBr = Br2 + LiF =>
F2 + 2 LiBr = Br2 + 2 LiF
BaO + Cl = BaCl2 + O =>
BaO + 2 Cl = BaCl2 + O
Mn2O5 + HCl = MnCl2 + Cl2 + H2O =>
Mn2O5 + 10 HCl = 2 MnCl2 + 3 Cl2 + 5 H2O
C4H9OH + KMnO4 + H2SO4 = C3H3O + K2SO4 + MnSO4 + H2O =>
3 C4H9OH + 4 KMnO4 + 6 H2SO4 = 4 C3H3O + 2 K2SO4 + 4 MnSO4 + 15 H2O
FeS2 + NaNO3 = Fe2O3 + SO2 + NaNO2 =>
2 FeS2 + 11 NaNO3 = Fe2O3 + 4 SO2 + 11 NaNO2
Mg(NO3)2ZnCl2 = MgCl2Zn(NO3)2 =>
Mg(NO3)2ZnCl2 = MgCl2Zn(NO3)2
HClO4 + LiOH = H2O + LiClO4 =>
HClO4 + LiOH = H2O + LiClO4
H2CO + KMnO4 + H2SO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 H2CO + 2 KMnO4 + 3 H2SO4 = 5 HCOOH + K2SO4 + 2 MnSO4 + 3 H2O
Pb(CH3COO)2*3H2O + NaBr = PbBr2 + NaCH3COO + H2O =>
Pb(CH3COO)2*3H2O + 2 NaBr = PbBr2 + 2 NaCH3COO + 3 H2O
CaO + SO3 = Ca(SO4) =>
CaO + SO3 = Ca(SO4)
Li2CO2 = Li + CO2 =>
Li2CO2 = 2 Li + CO2
AlCl3 + Mg = MgCl2 + Al =>
2 AlCl3 + 3 Mg = 3 MgCl2 + 2 Al
HClO4 + LiOH = H2O + LiClO4 =>
HClO4 + LiOH = H2O + LiClO4
Ca(OH)2 + Cl2 = CaCl2 + Ca(ClO3)2 + H2O =>
6 Ca(OH)2 + 6 Cl2 = 5 CaCl2 + Ca(ClO3)2 + 6 H2O
Me + HCl = MeCl + H =>
Me + HCl = MeCl + H
H + P + O2 = H3PO4 =>
3 H + P + 2 O2 = H3PO4
Zn(SO4) + BaCl2 = ZnCl2 + BaSO4 =>
Zn(SO4) + BaCl2 = ZnCl2 + BaSO4
Ca(s) + Al(NO3)3(aq) = A(s)l + Ca(NO3)2(aq) =>
3 Ca(s) + 2 Al(NO3)3(aq) = 2 A(s)l + 3 Ca(NO3)2(aq)
Co{2+} + Cl{-} = CoCl4{2-} =>
Co{2+} + 4 Cl{-} = CoCl4{2-}
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