| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 P2O3 + 2 K2Cr2O7 + 8 H2SO4 + H2O = 2 Cr2(SO4)3 + 2 K2SO4 + 6 H3PO4
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
FeO + HBr = FeBr + OH =>
FeO + HBr = FeBr + OH
C20H14O4 + NaOH = C20H14O4(NaOH)2 =>
C20H14O4 + 2 NaOH = C20H14O4(NaOH)2
NH4NO3 + Na2CO3 = NaNO3 + NH4 + CO2 + H2O =>
9 NH4NO3 + 5 Na2CO3 = 10 NaNO3 + 8 NH4 + 5 CO2 + 2 H2O
Cr2(CO3)3 = Cr2O3 + CO2(g) =>
Cr2(CO3)3 = Cr2O3 + 3 CO2(g)
KMnO4 + Na2C2O4 = K2C2O4 + NaMnO4 =>
2 KMnO4 + Na2C2O4 = K2C2O4 + 2 NaMnO4
H2O + Mn{2+} + S2O8{-2} = MnO4{-} + SO4{-2} + H{+} =>
8 H2O + 2 Mn{2+} + 5 S2O8{-2} = 2 MnO4{-} + 10 SO4{-2} + 16 H{+}
Mg3(PO4)2 + Al(NO3)3 = Mg(NO3)2 + AlPO4 =>
Mg3(PO4)2 + 2 Al(NO3)3 = 3 Mg(NO3)2 + 2 AlPO4
(NH4)2Fe(SO4)2 + NaOH = Fe(OH)2 + NH3 + H2O + Na2SO4 =>
(NH4)2Fe(SO4)2 + 4 NaOH = Fe(OH)2 + 2 NH3 + 2 H2O + 2 Na2SO4
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HCl + KOH = KCl + (H2O) =>
HCl + KOH = KCl + (H2O)
PbSO4 + Na2CO3 = PbCO3 + Na2SO4 =>
PbSO4 + Na2CO3 = PbCO3 + Na2SO4
N2 + K = K2N2 =>
N2 + 2 K = K2N2
FeBr2 + Cl2 = FeCl3 + Br2 =>
2 FeBr2 + 3 Cl2 = 2 FeCl3 + 2 Br2
Ca(aq) + SO4(aq) = CaSO4(s) =>
Ca(aq) + SO4(aq) = CaSO4(s)
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C6H12O6 + O2 = C35H49O29 + H2O =>
70 C6H12O6 + 27 O2 = 12 C35H49O29 + 126 H2O
(NH4)2SO4(aq) + KOH(aq) = K2SO4(aq) + NH3(g) + H2O =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 NH3(g) + 2 H2O
KCl2 = Cl2 + K =>
KCl2 = Cl2 + K
A1 + O2 = A1O2 =>
A1 + O2 = A1O2
Zr + HNO3 + HF = H2ZrF6 + NO + H2O =>
3 Zr + 4 HNO3 + 18 HF = 3 H2ZrF6 + 4 NO + 8 H2O
NaHCO2OH = CO2 + H2O + Na =>
NaHCO2OH = CO2 + H2O + Na
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H2O + H{+} =>
BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H2O + 2 H{+}
MgO2 = Mg + O2 =>
MgO2 = Mg + O2
Na(aq) + H2O(l) = H(aq) + NaOH(s) =>
Na(aq) + H2O(l) = H(aq) + NaOH(s)
Mg(NO3)2 + NH4F = MgF2 + N2O + H2O =>
Mg(NO3)2 + 2 NH4F = MgF2 + 2 N2O + 4 H2O
CH3CH2SH + O2 = H2S + H2O + CO2 =>
CH3CH2SH + 3 O2 = H2S + 2 H2O + 2 CO2
HCl + NaCHO3 = NaCl + H2CO3 =>
HCl + NaCHO3 = NaCl + H2CO3
CO2 + H2O = C6H12O6 + (O2)6 =>
6 CO2 + 6 H2O = C6H12O6 + (O2)6
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
MgO2 = MgO + O2 =>
2 MgO2 = 2 MgO + O2
Cl2(g) + Br{-}(aq) = Cl{-}(aq) + Br2(l) =>
Cl2(g) + 2 Br{-}(aq) = 2 Cl{-}(aq) + Br2(l)
(CaCO3)H2O = Ca + OH + CO2 =>
(CaCO3)H2O = Ca + 2 OH + CO2
A1 + O2 = A1O2 =>
A1 + O2 = A1O2
C8H5O4K + NaOH = Na{+} + K{+} + C8H4O4{2-} + H2O =>
C8H5O4K + NaOH = Na{+} + K{+} + C8H4O4{2-} + H2O
KHS + NaOH = KOH + NaHS =>
KHS + NaOH = KOH + NaHS
Cr2(SO4)3 + KOH + KClO3 = KCrO4 + H2O + KCl + KSO4 =>
6 Cr2(SO4)3 + 30 KOH + 11 KClO3 = 12 KCrO4 + 15 H2O + 11 KCl + 18 KSO4
P2O3 + K2Cr2O7 + H2SO4 + H2O = Cr2(SO4)3 + K2SO4 + H3PO4 =>
3 P2O3 + 2 K2Cr2O7 + 8 H2SO4 + H2O = 2 Cr2(SO4)3 + 2 K2SO4 + 6 H3PO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
(Na2)(SO3) + HCl = NaCl + H2O + SO2 =>
(Na2)(SO3) + 2 HCl = 2 NaCl + H2O + SO2
Fe(OH)2 + KOH = K2[Fe(OH)4] =>
Fe(OH)2 + 2 KOH = K2[Fe(OH)4]
C4H10 + O2 = CO2 + H2 =>
C4H10 + 4 O2 = 4 CO2 + 5 H2
Mg(OH) + HNO3 = H2O + Mg(NO3) =>
Mg(OH) + HNO3 = H2O + Mg(NO3)
CaC2 + H2O = Ca(OH)2 + CO2 + H2 =>
CaC2 + 6 H2O = Ca(OH)2 + 2 CO2 + 5 H2
NH4NO3 + H2SO4 = (NH4)2SO4 + HNO3 =>
2 NH4NO3 + H2SO4 = (NH4)2SO4 + 2 HNO3
FeHCl = Fe + HCl =>
FeHCl = Fe + HCl
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