| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CH2O + 3 H2S = (CH2S)3 + 3 H2O
magnesiumcarbonate = carbondioxide + magnesiumoxide =>
MgCO3 = CO2 + MgO
Tc(C2H3O2)7 + ZnSe = Tc2Se7 + Zn(C2H3O2)2 =>
2 Tc(C2H3O2)7 + 7 ZnSe = Tc2Se7 + 7 Zn(C2H3O2)2
Pb(OH)3{-} + ClO{-} = PbO2 + Cl{-} + H2O + OH{-}( =>
Pb(OH)3{-} + ClO{-} = PbO2 + Cl{-} + H2O + OH{-}(
Al + CH3COOH + C9H9NO2 = Al(CH3COO)3 + C9H13N + H2O =>
8 Al + 24 CH3COOH + 3 C9H9NO2 = 8 Al(CH3COO)3 + 3 C9H13N + 6 H2O
MgH2SO4 = MgSO4H2 =>
MgH2SO4 = MgSO4H2
HBO2 = H4B6O11 + H2O =>
6 HBO2 = H4B6O11 + H2O
MnO2 + KOH + O2 = K3MnO4 + H2O =>
4 MnO2 + 12 KOH + O2 = 4 K3MnO4 + 6 H2O
Cr2O3 + Br2 + Na(OH) = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 10 Na(OH) = 2 Na2CrO4 + 6 NaBr + 5 H2O
C2H5OH + Cr2O7 = C2H4O + Cr2 + H2O =>
7 C2H5OH + Cr2O7 = 7 C2H4O + Cr2 + 7 H2O
K2CO3 + HBr = KBr + CO2 + H2O =>
K2CO3 + 2 HBr = 2 KBr + CO2 + H2O
KBaO3 = KBa + O =>
KBaO3 = KBa + 3 O
S3N2 = S + N2 =>
S3N2 = 3 S + N2
C2 + H2 + Cl = CH3Cl =>
C2 + 3 H2 + 2 Cl = 2 CH3Cl
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
C2H5OH + H2O2 = H2O + CO2 =>
C2H5OH + 6 H2O2 = 9 H2O + 2 CO2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Na + Br + AgNO3 = BrAg + NaNO3 =>
Na + Br + AgNO3 = BrAg + NaNO3
Zn(NO3)2 + KI = ZnI + K(NO3)2 =>
Zn(NO3)2 + KI = ZnI + K(NO3)2
VCl4 + NaOH = V2O2(OH)4 + NaCl + H2O =>
2 VCl4 + 8 NaOH = V2O2(OH)4 + 8 NaCl + 2 H2O
C8H16 + KMnO4 + H2SO4 = C8H14O4 + MnSO4 + K2SO4 + H2O =>
C8H16 + 2 KMnO4 + 3 H2SO4 = C8H14O4 + 2 MnSO4 + K2SO4 + 4 H2O
S8 + Fe = SFe6 =>
S8 + 48 Fe = 8 SFe6
K + CuF2 = KF + Cu =>
2 K + CuF2 = 2 KF + Cu
H{+} + H2O2 + Cr2O7{2-} = H2O + CrO5 =>
2 H{+} + 4 H2O2 + Cr2O7{2-} = 5 H2O + 2 CrO5
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HCH3COO(aq) + Zn(s) = H(g) + ZnCH3COO(aq) =>
HCH3COO(aq) + Zn(s) = H(g) + ZnCH3COO(aq)
(NH4)3PO4 + CaCl2 = Ca(PO4)2 + NH4 + Cl =>
2(NH4)3PO4 + CaCl2 = Ca(PO4)2 + 6 NH4 + 2 Cl
MnO2 + KBr + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
MnO2 + 2 KBr + 2 H2SO4 = Br2 + MnSO4 + K2SO4 + 2 H2O
MoO3 + H2 = Mo(OH) + H2O =>
2 MoO3 + 5 H2 = 2 Mo(OH) + 4 H2O
B6H12 = B + H2 =>
B6H12 = 6 B + 6 H2
Fe{+2} + K2SO4 = FeSO4 + K{+} =>
Fe{+2} + K2SO4 = FeSO4 + 2 K{+}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(OH)2 + H3(PO4) = Mg3(PO4)2 + H2O =>
3 Mg(OH)2 + 2 H3(PO4) = Mg3(PO4)2 + 6 H2O
C5H8(s) + O2(g) = H2O(s) + CO2 =>
C5H8(s) + 7 O2(g) = 4 H2O(s) + 5 CO2
C6H5COONa + NaOH = C6H5COO + Na2OH =>
C6H5COONa + NaOH = C6H5COO + Na2OH
Mg{2+}(aq) + C2O4{2-}(aq) = MgC2O4(aq) =>
Mg{2+}(aq) + C2O4{2-}(aq) = MgC2O4(aq)
Pb(NO3)2(aq) + KI(aq) = PbI(s) + K(NO3)2 =>
Pb(NO3)2(aq) + KI(aq) = PbI(s) + K(NO3)2
HClO3 + NaOH = H(OH) + NaClO3 =>
HClO3 + NaOH = H(OH) + NaClO3
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
C5H10O2(l) + O2(g) = CO2(g) + H20(l) =>
2 C5H10O2(l) + 8 O2(g) = 10 CO2(g) + H20(l)
KOH(aq) + MgCl2(aq) = KCl2(aq) + MgOH(s) =>
KOH(aq) + MgCl2(aq) = KCl2(aq) + MgOH(s)
NaH + H2O = Na{+} + OH{-} + H2 =>
NaH + H2O = Na{+} + OH{-} + H2
H2O + NaAlO2 + NH4Cl = Al(OH)3 + NaCl + NH3 =>
H2O + NaAlO2 + NH4Cl = Al(OH)3 + NaCl + NH3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Ni{2+}(aq) + Y(s) = Ni(s) + Y{3+}(aq) =>
3 Ni{2+}(aq) + 2 Y(s) = 3 Ni(s) + 2 Y{3+}(aq)
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Mg + Fe(SO4)3 = Mg(SO4)3 + Fe =>
Mg + Fe(SO4)3 = Mg(SO4)3 + Fe
H2O*MnO4 + ClO = MnO2 + ClO4 + OH =>
3 H2O*MnO4 + ClO = 3 MnO2 + ClO4 + 6 OH
ClH2 + Ba = Cl2Ba + H2 =>
2 ClH2 + Ba = Cl2Ba + 2 H2
Co3O4 + V2O5 = V2Co2O7 + O =>
2 Co3O4 + 3 V2O5 = 3 V2Co2O7 + 2 O
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