| Équations équilibrées la veille |
2 Cr(NO3)2 + O2 = 2 CrO + 4 NO3
CH3CH2OH + KMnO4 + NaOH = CH3CO2Na + MnO + H2O + KOH =>
5 CH3CH2OH + 4 KMnO4 + 5 NaOH = 5 CH3CO2Na + 4 MnO + 8 H2O + 4 KOH
(NH4)Br + Ba(NO3)2 = NH4NO3 + BaBr2 =>
2(NH4)Br + Ba(NO3)2 = 2 NH4NO3 + BaBr2
Ni + Al + S8 = NiAl4S4 =>
2 Ni + 8 Al + S8 = 2 NiAl4S4
K4(Fe(CN)6) + KMnO4 + H2SO4 = Fe2(SO4) + CO2 + HNO3 + MnSO4 + K2SO4 + H2O =>
10 K4(Fe(CN)6) + 118 KMnO4 + 202 H2SO4 = 5 Fe2(SO4) + 60 CO2 + 60 HNO3 + 118 MnSO4 + 79 K2SO4 + 172 H2O
S + NaOH = Na2S + Na2SO3S + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2SO3S + 3 H2O
CH3OH = H2O + CH3OCH3 =>
2 CH3OH = H2O + CH3OCH3
Hg{2+} + I{-} = Hg{+} + I2 =>
2 Hg{2+} + 2 I{-} = 2 Hg{+} + I2
HBr + H2SO4 = BrSO4 + H =>
HBr + H2SO4 = BrSO4 + 3 H
Al + S = Al2S32 =>
2 Al + 32 S = Al2S32
NCl3 + H2O = HOCl + NH3 =>
NCl3 + 3 H2O = 3 HOCl + NH3
HBrO = Br + O2 + H2O =>
4 HBrO = 4 Br + O2 + 2 H2O
Hg(CH3COO)2 = Hg + CO2 + C2H6 =>
Hg(CH3COO)2 = Hg + 2 CO2 + C2H6
CH3COOH + CH9OH = CH3COOC4H9 + H2O =>
5 CH3COOH + 2 CH9OH = 2 CH3COOC4H9 + 8 H2O
CH3CH2CH2COONaNaOH = C3H8Na2CO3 =>
CH3CH2CH2COONaNaOH = C3H8Na2CO3
FeCl3 + COF2 = FeF3 + COCl2 =>
2 FeCl3 + 3 COF2 = 2 FeF3 + 3 COCl2
H2O = H2 + O1 =>
H2O = H2 + O1
SnOH + AlNO = SnNO + AlHO =>
SnOH + AlNO = SnNO + AlHO
Pb(OH)2 + K2CrO4 = PbO + K2Cr + OH =>
4 Pb(OH)2 + K2CrO4 = 4 PbO + K2Cr + 8 OH
ZnI2 + Na3PO4 = Zn3(PO4)2 + NaI =>
3 ZnI2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaI
Fe + H2O = Fe(OH)3 + H2 =>
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HgCl2 + Na2CO3 = HgCO3 + NaCl =>
HgCl2 + Na2CO3 = HgCO3 + 2 NaCl
K2Cr2O7 + H2SO4 + C6H6O = Cr2(SO4)3 + H2O + CH2O2 + K2SO4 =>
8 K2Cr2O7 + 32 H2SO4 + 3 C6H6O = 8 Cr2(SO4)3 + 23 H2O + 18 CH2O2 + 8 K2SO4
Fe + H3SO4 = H + FeSO4 =>
Fe + H3SO4 = 3 H + FeSO4
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
KCr(SO4)2 + KOH = Cr(OH)3 + K2SO4 =>
KCr(SO4)2 + 3 KOH = Cr(OH)3 + 2 K2SO4
LiH2S + AlCl3 = LiCl + Al(H2S)3 =>
3 LiH2S + AlCl3 = 3 LiCl + Al(H2S)3
Al2S3(aq) + BaCl2(aq) = AlCl3(aq) + BaS(s) =>
Al2S3(aq) + 3 BaCl2(aq) = 2 AlCl3(aq) + 3 BaS(s)
CoCl2(aq) + Na2CrO4(aq) = CoCrO4 + NaCl =>
CoCl2(aq) + Na2CrO4(aq) = CoCrO4 + 2 NaCl
NH4I(aq) + KOH(aq) = H2O + KI + N + H =>
NH4I(aq) + KOH(aq) = H2O + KI + N + 3 H
NH2OH(g) = NH3(g) + N2(g) + H2O(g) =>
3 NH2OH(g) = NH3(g) + N2(g) + 3 H2O(g)
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
CH3COOCl + H2 + CaCO3 = CH3COOCa + CaCl2 + H2O =>
4 CH3COOCl + 33 H2 + 12 CaCO3 = 10 CH3COOCa + 2 CaCl2 + 24 H2O
HSO3{-} + H3O{+} = H2O + SO2 =>
HSO3{-} + H3O{+} = 2 H2O + SO2
C4H8O2 + CNH5 = C5H11ON + H2O =>
C4H8O2 + CNH5 = C5H11ON + H2O
PH3(g) = P + H =>
PH3(g) = P + 3 H
C2H4O + Cl2 = C2Cl3OH + HCl =>
C2H4O + 3 Cl2 = C2Cl3OH + 3 HCl
Cu(SO4) + NH3 = CuH3 + NSO4 =>
Cu(SO4) + NH3 = CuH3 + NSO4
Pb + HPO4 = PbPO4 + H2 =>
2 Pb + 2 HPO4 = 2 PbPO4 + H2
LiCoO2 + C = LiC + CoO2 =>
LiCoO2 + C = LiC + CoO2
Ni(Co3)3 + C2H8N2 = [Ni(C2H8N2)2] + Co =>
Ni(Co3)3 + 2 C2H8N2 = [Ni(C2H8N2)2] + 9 Co
(NH4)2S2O8 + KI = K2SO4 + I2 + (NH4)2SO4 =>
(NH4)2S2O8 + 2 KI = K2SO4 + I2 + (NH4)2SO4
BaCO3C + H2O = CO + Ba(OH)2 =>
BaCO3C + H2O = 2 CO + Ba(OH)2
Pb(NO3)4 + NH4I = NH4NO3 + PbI4 =>
Pb(NO3)4 + 4 NH4I = 4 NH4NO3 + PbI4
MgCl2 + K2(SO4) = K2Cl2 + Mg(SO4) =>
MgCl2 + K2(SO4) = K2Cl2 + Mg(SO4)
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
As2S3 + ClO3{-} = As{3+} + Cl{-} + SO4{2-} =>
As2S3 + 4 ClO3{-} = 2 As{3+} + 4 Cl{-} + 3 SO4{2-}
V2O5 + H2SO4 + Na2S2O3 = VOSO4 + Na2SO4 + H2O =>
4 V2O5 + 7 H2SO4 + Na2S2O3 = 8 VOSO4 + Na2SO4 + 7 H2O
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