| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 NH43 + 45 O2 = 4 NO + 86 H2O
(C7H12O3) + O2 = CO2 + H2O =>
2(C7H12O3) + 17 O2 = 14 CO2 + 12 H2O
(NH4)2SO4 + NaCl = NH4Cl + Na2SO4 =>
(NH4)2SO4 + 2 NaCl = 2 NH4Cl + Na2SO4
Li2O + H2O = Li2H2O2 =>
Li2O + H2O = Li2H2O2
C5H10O5 = C2H4 + CO2 + H2O =>
3 C5H10O5 = 5 C2H4 + 5 CO2 + 5 H2O
HNa + H2O = NaOH + H2 =>
HNa + H2O = NaOH + H2
TiCl3 + Br2 = TiBr3 + Cl2 =>
2 TiCl3 + 3 Br2 = 2 TiBr3 + 3 Cl2
C3O4H4 + BrO3{-} = Br{-} + CO2 + H2O =>
3 C3O4H4 + 4 BrO3{-} = 4 Br{-} + 9 CO2 + 6 H2O
(CH3)2CO + CuO = Cu + H2O + CO2 =>
(CH3)2CO + 8 CuO = 8 Cu + 3 H2O + 3 CO2
[Fe(C2O4)3] + K3Fe(CN)6 + (NH4)2Fe(SO4)2 = Fe4[Fe(CN)6]3 + (NH4)2(SO4)2 + K3Fe(C2O4)3 =>
3[Fe(C2O4)3] + 3 K3Fe(CN)6 + 4(NH4)2Fe(SO4)2 = Fe4[Fe(CN)6]3 + 4(NH4)2(SO4)2 + 3 K3Fe(C2O4)3
MnCl2 + Al(CH3COO)3 = Mn(CH3COO)2 + AlCl3 =>
3 MnCl2 + 2 Al(CH3COO)3 = 3 Mn(CH3COO)2 + 2 AlCl3
NaCl + KSbOH6 = NaSbOH6 + KCl =>
NaCl + KSbOH6 = NaSbOH6 + KCl
FeCO3 + HNO3 = Fe(NO3)3 + H2CO3 + H2 =>
2 FeCO3 + 6 HNO3 = 2 Fe(NO3)3 + 2 H2CO3 + H2
KMnO4 + NaCO + H2SO4 = K2SO4 + NaSO4 + MnSO4 + H2O + CO2 =>
4 KMnO4 + 5 NaCO + 11 H2SO4 = 2 K2SO4 + 5 NaSO4 + 4 MnSO4 + 11 H2O + 5 CO2
(NH4)2SiO3 + H2O = NH4OH + H2SiO3 =>
(NH4)2SiO3 + 2 H2O = 2 NH4OH + H2SiO3
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2O2 + OH{-} + Cr(OH)4{-} = CrO4{2-} + H2O =>
3 H2O2 + 2 OH{-} + 2 Cr(OH)4{-} = 2 CrO4{2-} + 8 H2O
NO + F2 + H2O = HNO3 + HF =>
2 NO + 3 F2 + 4 H2O = 2 HNO3 + 6 HF
C12H5OH + O2 = CO + H2O =>
C12H5OH + 7 O2 = 12 CO + 3 H2O
Bi + NO3 + H3O{+} = Bi{3+} + NO + H2O =>
4 Bi + 3 NO3 + 12 H3O{+} = 4 Bi{3+} + 3 NO + 18 H2O
Pb(NO2)2 + KI = Pb(I)2 + KNO2 =>
Pb(NO2)2 + 2 KI = Pb(I)2 + 2 KNO2
CuSO4*5H2O + (NH4)2SO4 = CuSO4*(NH4)2SO4 + H2O =>
CuSO4*5H2O + (NH4)2SO4 = CuSO4*(NH4)2SO4 + 5 H2O
ZnS + NaCN + O2 + H2O = Na2Zn(CN)4 + NaSCN + NaOH =>
2 ZnS + 10 NaCN + O2 + 2 H2O = 2 Na2Zn(CN)4 + 2 NaSCN + 4 NaOH
Na2C2 + H2O = Na2O + H2C2 =>
Na2C2 + H2O = Na2O + H2C2
HOH = H2O =>
HOH = H2O
H2GeO3 = GeO2 + H2O =>
H2GeO3 = GeO2 + H2O
H2 + BBr3 = HBr3 + B =>
H2 + 2 BBr3 = 2 HBr3 + 2 B
CH2O + CuO = Cu + CO2 + H2O =>
CH2O + 2 CuO = 2 Cu + CO2 + H2O
CH3NH2{+} + Cl{-} + NaOH = CH3NH2OH + NaCl =>
CH3NH2{+} + Cl{-} + NaOH = CH3NH2OH + NaCl
H2C2O4 = CO2 + H{+} + {-} =>
H2C2O4 = 2 CO2 + 2 H{+} + 2e
Ca + K2Cr2O7 = CaCr2O7 + K =>
Ca + K2Cr2O7 = CaCr2O7 + 2 K
Al + KOH + H2O = K{+} + Al(OH)6{-} + H2 =>
2 Al + 2 KOH + 10 H2O = 2 K{+} + 2 Al(OH)6{-} + 5 H2
CH3H8 + O2 = CH3COOH + H2O =>
4 CH3H8 + 11 O2 = 2 CH3COOH + 18 H2O
Zn + HOH = ZnOHH =>
Zn + HOH = ZnOHH
CH3CHO = CH4CO =>
CH3CHO = CH4CO
CH3COCH3 + NH3 = CH3CH(OH)CH2NH2 =>
CH3COCH3 + NH3 = CH3CH(OH)CH2NH2
(CH3)3COH + Na2Cr2O7 + H2SO4 = CH3CH2CHOOH + Cr2(SO4)3 + Na2SO4 + H2O =>
3(CH3)3COH + 2 Na2Cr2O7 + 8 H2SO4 = 4 CH3CH2CHOOH + 2 Cr2(SO4)3 + 2 Na2SO4 + 9 H2O
Bi(s) + O2(g) = BiO3(s) =>
2 Bi(s) + 3 O2(g) = 2 BiO3(s)
HNO3(aq) + CaCO3(s) = Ca(NO3)2 + H2O(l) + CO2 =>
2 HNO3(aq) + CaCO3(s) = Ca(NO3)2 + H2O(l) + CO2
HClNa3PO4 = H(PO4)Na3Cl =>
HClNa3PO4 = H(PO4)Na3Cl
KCl + C6H3N3O7 = K(C6H3N3O7) + Cl =>
KCl + C6H3N3O7 = K(C6H3N3O7) + Cl
Fe + CuO2 = Cu + Fe2O3 =>
4 Fe + 3 CuO2 = 3 Cu + 2 Fe2O3
MgSO4*7H2O(s) = MgSO4 + H2O =>
MgSO4*7H2O(s) = MgSO4 + 7 H2O
C6H5C3H7 + O2 = C6H6O + C3H6O =>
C6H5C3H7 + O2 = C6H6O + C3H6O
NH4 + HCl = ClNH4 + H2 =>
2 NH4 + 2 HCl = 2 ClNH4 + H2
PBO + HCl = PBCl2 + H2O =>
PBO + 2 HCl = PBCl2 + H2O
NaOH + CrBr2 = NaBr + Cr(OH)2 =>
2 NaOH + CrBr2 = 2 NaBr + Cr(OH)2
FeBr3(aq) + K2S(aq) = Fe2S3 + KBr =>
2 FeBr3(aq) + 3 K2S(aq) = Fe2S3 + 6 KBr
Ca(OH)2(s) + HBr(aq) = H2O(l) + CaBr2(aq) =>
Ca(OH)2(s) + 2 HBr(aq) = 2 H2O(l) + CaBr2(aq)
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