| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + Na3PO4 = Na3FePO4
IO2F(s) + BrF3(l) = IF5(l) + Br2(l) + O2(g) =>
3 IO2F(s) + 4 BrF3(l) = 3 IF5(l) + 2 Br2(l) + 3 O2(g)
HCOOH + H{+} + MnO4{-} = CO2 + Mn{2+} + H2O =>
5 HCOOH + 6 H{+} + 2 MnO4{-} = 5 CO2 + 2 Mn{2+} + 8 H2O
Fe2O3 + HF = FeF2 + F2 + H2O =>
Fe2O3 + 6 HF = 2 FeF2 + F2 + 3 H2O
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
H2CO + Ca(OH)2 = CaO2 + CH3OH =>
H2CO + Ca(OH)2 = CaO2 + CH3OH
F2 + NH3 = F4N2 + FH =>
5 F2 + 2 NH3 = F4N2 + 6 FH
H2O + CO2 = C6H14 + O2 =>
14 H2O + 12 CO2 = 2 C6H14 + 19 O2
Fe + (OH)2 = FeO + H2O =>
Fe + (OH)2 = FeO + H2O
CrI3 + KOH + Cl2 = K2CrO1 + KIO4 + KCl + H2O =>
2 CrI3 + 52 KOH + 21 Cl2 = 2 K2CrO1 + 6 KIO4 + 42 KCl + 26 H2O
FeCl2 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + Cl2 + H2O =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 5 Fe2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 10 Cl2 + 24 H2O
CuSCN + HNO3 = NO2 + Cu + SO2 + CO2 + NH4 =>
CuSCN + 4 HNO3 = 4 NO2 + Cu + SO2 + CO2 + NH4
SO3{2-} + Cr2O7{2-} + H3O{+} = SO4{2-} + Cr{3+} + H2O =>
3 SO3{2-} + Cr2O7{2-} + 8 H3O{+} = 3 SO4{2-} + 2 Cr{3+} + 12 H2O
NiCl2 + O = NiO + Cl2O5 =>
NiCl2 + 6 O = NiO + Cl2O5
HNO3(aq) + BaCO3(aq) = CO2(g) + H2O(l) + Ba(NO3)2(g) =>
2 HNO3(aq) + BaCO3(aq) = CO2(g) + H2O(l) + Ba(NO3)2(g)
H2SO3 + NaHSO3 = SO2 + NaSO3 + H3O =>
H2SO3 + NaHSO3 = SO2 + NaSO3 + H3O
CH3COOCH2CH2 + H2O = CH3COO + CH3CH2OH =>
CH3COOCH2CH2 + H2O = CH3COO + CH3CH2OH
C2H6O + KMnO4 + H{+} = C2H4O2 + Mn2{+} + K{+} + H2O =>
13 C2H6O + 8 KMnO4 + 12 H{+} = 13 C2H4O2 + 4 Mn2{+} + 8 K{+} + 19 H2O
Mg(s) + H2O(i) = MgO(s) + H2(g) =>
Mg(s) + H2O(i) = MgO(s) + H2(g)
AgNO3 + NH2NH2H2O = Ag + HNO3 + NH3 =>
2 AgNO3 + 3 NH2NH2H2O = 2 Ag + 3 HNO3 + 5 NH3
Cr2O3 + HPO3 = Cr(PO3)3 + H2O =>
Cr2O3 + 6 HPO3 = 2 Cr(PO3)3 + 3 H2O
MgCl2 + AgNO3 = NO3 + AgMgCl2 =>
MgCl2 + AgNO3 = NO3 + AgMgCl2
NO + P4 = PNO =>
4 NO + P4 = 4 PNO
Fe2O3 + HF = FeF2 + F2 + H2O =>
Fe2O3 + 6 HF = 2 FeF2 + F2 + 3 H2O
K2Se + NaBiO3 + H2SO4 = Na2SeO3 + Bi2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
2 K2Se + 6 NaBiO3 + 12 H2SO4 = 2 Na2SeO3 + 3 Bi2(SO4)3 + 2 K2SO4 + 12 H2O + Na2SO4
FeCl3 + NH3*H2O = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH3*H2O = Fe(OH)3 + 3 NH4Cl
Si + HNO3 = Si(NO3)2 + H2 =>
Si + 2 HNO3 = Si(NO3)2 + H2
H2NCl + NH3 = NH4Cl + N2H2 =>
2 H2NCl + 2 NH3 = 2 NH4Cl + N2H2
PbNO3 + KHO = PbHO + KNO3 =>
PbNO3 + KHO = PbHO + KNO3
HBO2 + H2O = B2H6 + O2 =>
2 HBO2 + 2 H2O = B2H6 + 3 O2
As2S5 + NO3{-} + H{+} = AsO4{3-} + NO2 + H2O + SO4{2-} =>
As2S5 + 40 NO3{-} + 24 H{+} = 2 AsO4{3-} + 40 NO2 + 12 H2O + 5 SO4{2-}
Fe2O3 + HF = FeF2 + F2 + H2O =>
Fe2O3 + 6 HF = 2 FeF2 + F2 + 3 H2O
Cu(NO3)2 + K2CO3 = KNO3 + CuCO3 =>
Cu(NO3)2 + K2CO3 = 2 KNO3 + CuCO3
K2SO4 + CaCl2 = K2Cl2 + CaSO4 =>
K2SO4 + CaCl2 = K2Cl2 + CaSO4
HaOH = Ha + OH =>
HaOH = Ha + OH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H6(aq) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6(aq) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
S2O3 + H = S + H2SO3 =>
S2O3 + 2 H = S + H2SO3
CrO4{2-} + MoO2 + OH{-} = Cr2O3 + MoO4{2-} + H2O =>
2 CrO4{2-} + 3 MoO2 + 2 OH{-} = Cr2O3 + 3 MoO4{2-} + H2O
C2H3OCl + O2 = CO2 + H2OHCl =>
C2H3OCl + 2 O2 = 2 CO2 + H2OHCl
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Si(OC2H5)4 = SiO2 + O(C2H5)2 =>
Si(OC2H5)4 = SiO2 + 2 O(C2H5)2
C2H6 = C + H2 =>
C2H6 = 2 C + 3 H2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
C4H8O + H2SO4 + KMnO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 C4H8O + 33 H2SO4 + 22 KMnO4 = 20 CO2 + 11 K2SO4 + 22 MnSO4 + 53 H2O
HCOOH + CaO = (HCOO)2Ca + H2O =>
2 HCOOH + CaO = (HCOO)2Ca + H2O
Fe(OH)2 + NH3 + H2O = Fe(OH)3 + NH4 =>
Fe(OH)2 + NH3 + H2O = Fe(OH)3 + NH4
Pb(ClO3)2 + KBr = PbK + Br(ClO3)2 =>
Pb(ClO3)2 + KBr = PbK + Br(ClO3)2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
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