| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NO + SO2 + H2O = H2SO4 + N2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
NH3(g) + O2 = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2 = 4 NO(g) + 6 H2O(l)
K2Cr2O7 + V2(SO4)3 + KOH = K4V2O7 + K3[Cr(OH)6] + K2SO4 + H2O =>
2 K2Cr2O7 + 3 V2(SO4)3 + 38 KOH = 3 K4V2O7 + 4 K3[Cr(OH)6] + 9 K2SO4 + 7 H2O
NO2 + CH2O = N2 + CH2O2 =>
2 NO2 + 4 CH2O = N2 + 4 CH2O2
FeCl3 + Cs2CO3 = Fe2(CO3)3 + CsCl =>
2 FeCl3 + 3 Cs2CO3 = Fe2(CO3)3 + 6 CsCl
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C8H10 + NaOH + H2O + NH3OH = CH3OH + NaNO3 =>
7 C8H10 + 6 NaOH + 62 H2O + 6 NH3OH = 56 CH3OH + 6 NaNO3
SrCl + K3PO4 = Sr3PO4(s) + KCl(aq) =>
3 SrCl + K3PO4 = Sr3PO4(s) + 3 KCl(aq)
ZnCO3 + BaSO4 = ZnSO4 + BaCO3 =>
ZnCO3 + BaSO4 = ZnSO4 + BaCO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2O3 + H2O = Fe(OH)3 = =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
CO2 + H2O = H2CO3 = H3O{+} + HCO3{-} =>
CO2 + H2O = H2CO3
HIO3 + HI = I2 + H2O =>
HIO3 + 5 HI = 3 I2 + 3 H2O
C3H6O2 + C3H8O = C5H10O2 + H2O =>
3 C3H6O2 + 2 C3H8O = 3 C5H10O2 + 2 H2O
Al2S3 + Ba(OH)2 = Al(OH)3 + BaS =>
Al2S3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaS
Al + HNO3 = H2 + Al(NO3)3 =>
2 Al + 6 HNO3 = 3 H2 + 2 Al(NO3)3
H2SO3 + I2 + H2O = H2SO4 + HI =>
H2SO3 + I2 + H2O = H2SO4 + 2 HI
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
ClO3 + H2SO4 + KCl = Cl2 + H2O + K2SO4 =>
2 ClO3 + 6 H2SO4 + 12 KCl = 7 Cl2 + 6 H2O + 6 K2SO4
CH3COOH + C2H5OH + H2SO4 = CH3COOC2H5 + H2SO4H2O =>
CH3COOH + C2H5OH + H2SO4 = CH3COOC2H5 + H2SO4H2O
Yb + Bi + Mg = MgBiYb2 =>
2 Yb + Bi + Mg = MgBiYb2
Ca(OH)2 + NH4Cl = NH4OH + CaCl2 =>
Ca(OH)2 + 2 NH4Cl = 2 NH4OH + CaCl2
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
NH4HCO3 + CaCl2 = NH4Cl + Ca(HCO3)2 =>
2 NH4HCO3 + CaCl2 = 2 NH4Cl + Ca(HCO3)2
Ag{+} + Zn{-2} = Ag + Zn{+2} =>
4 Ag{+} + Zn{-2} = 4 Ag + Zn{+2}
CuCl2SO2 = CuO2SCl2 =>
CuCl2SO2 = CuO2SCl2
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Ag + NO3 = AgNO3 =>
Ag + NO3 = AgNO3
KClO3 + Zn + NaOH = Na2ZnO2 + KCl + H2O =>
KClO3 + 3 Zn + 6 NaOH = 3 Na2ZnO2 + KCl + 3 H2O
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
Sr + Cu(NO3)2 = Sr(NO3)2 + Cu =>
Sr + Cu(NO3)2 = Sr(NO3)2 + Cu
K2MnF6 + SBF5 = KSBF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SBF5 = 4 KSBF6 + 2 MnF3 + F2
SrSO4 + HCl = SrCl2 + H2SO4 =>
SrSO4 + 2 HCl = SrCl2 + H2SO4
SnO + ClO = SnCl4 + O2 =>
2 SnO + 8 ClO = 2 SnCl4 + 5 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
Sb2S3 + O2 = Sb4O6 + SO2 =>
2 Sb2S3 + 9 O2 = Sb4O6 + 6 SO2
C6H6O2 + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H6O2 + K2Cr2O7 + 4 H2SO4 = 3 C6H4O2 + Cr2(SO4)3 + K2SO4 + 7 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
(C7H14) + O2 = CO2 + H2O =>
2(C7H14) + 21 O2 = 14 CO2 + 14 H2O
Zn(NO3)2*6H2O + Al(NO3)3*9H2O + NH2CONH2 = ZnAl2O4 + H2O + CO2 + N2 =>
3 Zn(NO3)2*6H2O + 6 Al(NO3)3*9H2O + 20 NH2CONH2 = 3 ZnAl2O4 + 112 H2O + 20 CO2 + 32 N2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaOC(aq)l + HCl(aq) = Cl2 + H2O + NaCl =>
NaOC(aq)l + 2 HCl(aq) = Cl2 + H2O + NaCl
CH3CH2OK + CH3CH2Br = CH3CH2OBr + CH3CH2K =>
CH3CH2OK + CH3CH2Br = CH3CH2OBr + CH3CH2K
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Équations équilibrées sur12/22/24
Équations équilibrées sur01/21/24
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