| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Si(s) + 2 Cr2O3(s) = 3 SiO2(s) + 4 Cr(l)
FeCl3 + KNO3 + KOH = K2FeO4 + KNO + KCl2 + H2O =>
8 FeCl3 + 9 KNO3 + 28 KOH = 8 K2FeO4 + 9 KNO + 12 KCl2 + 14 H2O
FeS + O2 = Fe2O3O3 + SO2 =>
2 FeS + 5 O2 = Fe2O3O3 + 2 SO2
H2C2O4 + NaOH(aq) = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH(aq) = Na2C2O4 + 2 H2O
AgSCN + NaSCN = AgNa + SCN =>
AgSCN + NaSCN = AgNa + 2 SCN
HCOOH + MnO4{-} + OH{-} = CO3{2-} + MnO2 + H2O =>
3 HCOOH + 2 MnO4{-} + 4 OH{-} = 3 CO3{2-} + 2 MnO2 + 5 H2O
SiCl4 + H2O = SiO + H2Cl4 =>
SiCl4 + H2O = SiO + H2Cl4
Na2O(s) + CO2(g) = Na2CO3 =>
Na2O(s) + CO2(g) = Na2CO3
H2SO3 + Fe(OH)3 = FeSO3(OH) + H2O =>
H2SO3 + Fe(OH)3 = FeSO3(OH) + 2 H2O
Na2PO4 + MgCl2 = NaCl + Mg(PO4) =>
Na2PO4 + MgCl2 = 2 NaCl + Mg(PO4)
K2CrO4 + CrCl2 + HCl = KCl + CrCl3 + H2O =>
K2CrO4 + 3 CrCl2 + 8 HCl = 2 KCl + 4 CrCl3 + 4 H2O
C57H99O6 + O2 = CO2 + H2O =>
4 C57H99O6 + 315 O2 = 228 CO2 + 198 H2O
Cu(NO3)2 + K3[Fe(CN)6] = Cu + Fe(CN)6 + K(NO3) =>
3 Cu(NO3)2 + 2 K3[Fe(CN)6] = 3 Cu + 2 Fe(CN)6 + 6 K(NO3)
CH3OH + B10H14 = B(OCH3)3 + H2 =>
30 CH3OH + B10H14 = 10 B(OCH3)3 + 22 H2
C24H46 + O2 = CO2 + H2O =>
2 C24H46 + 71 O2 = 48 CO2 + 46 H2O
OH{-} + MnO4{-} + SO3{2-} = MnO4{2-} + SO4{2-} + H2O =>
2 OH{-} + 2 MnO4{-} + SO3{2-} = 2 MnO4{2-} + SO4{2-} + H2O
Ca + KCl = KCaCl =>
Ca + KCl = KCaCl
KMnO4 + FeSO3 + H2SO4 = K2SO4 + FeSO4 + MnSO4 + H2O =>
2 KMnO4 + 5 FeSO3 + 3 H2SO4 = K2SO4 + 5 FeSO4 + 2 MnSO4 + 3 H2O
Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2(SO4)3 + O =>
Na2Cr2O7 + 6 H2SO4 = Cr2(SO4)3 + 6 H2O + Na2(SO4)3 + O
KBr + Cl2 + H2O = KBrO2 + HCl =>
KBr + 2 Cl2 + 2 H2O = KBrO2 + 4 HCl
MoO2 + H2 = Mo + H2O =>
MoO2 + 2 H2 = Mo + 2 H2O
H2SO4 + CdO = CdSO4 + H2 + O2 =>
2 H2SO4 + 2 CdO = 2 CdSO4 + 2 H2 + O2
[Co(NH3)5(Cl)]Cl2 + H2O = [Co(NH3)5(H2O)]Cl3 =>
[Co(NH3)5(Cl)]Cl2 + H2O = [Co(NH3)5(H2O)]Cl3
C8H8 = CH4 + C =>
C8H8 = 2 CH4 + 6 C
PbSe + O2 = PbO2 + SeO2 =>
PbSe + 2 O2 = PbO2 + SeO2
LiOH + Al + H2O = Li[Al(OH)6] + H2 =>
2 LiOH + 2 Al + 10 H2O = 2 Li[Al(OH)6] + 5 H2
Fe + Ni3N = Fe3N2 + Ni =>
3 Fe + 2 Ni3N = Fe3N2 + 6 Ni
LiCN + FeBr2 = Li4[Fe(CN)6] + LiBr =>
6 LiCN + FeBr2 = Li4[Fe(CN)6] + 2 LiBr
Na2CO3 + P2O5 = Na3PO4 + CO2 =>
3 Na2CO3 + P2O5 = 2 Na3PO4 + 3 CO2
Ca(NO3)2(H2O)4 + Co(NO3)2(H2O)6 + Fe(NO3)3(H2O)9 + C6H8O7H2O = Ca6Co4Fe20O40 + H2O + CO2 + N2 =>
54 Ca(NO3)2(H2O)4 + 36 Co(NO3)2(H2O)6 + 180 Fe(NO3)3(H2O)9 + 200 C6H8O7H2O = 9 Ca6Co4Fe20O40 + 3052 H2O + 1200 CO2 + 360 N2
C4 + ZnO = Zn + CO2 =>
C4 + 8 ZnO = 8 Zn + 4 CO2
C5H15N + O2 = CO2 + H2O + NO2 =>
4 C5H15N + 39 O2 = 20 CO2 + 30 H2O + 4 NO2
N2O + NaO = Na3N + NaNO2 =>
4 N2O + 10 NaO = Na3N + 7 NaNO2
CH3OH + O2 = H2O + CO =>
CH3OH + O2 = 2 H2O + CO
C3H5(C17H35COO)3 + O2 = CO + H2O =>
C3H5(C17H35COO)3 + 53 O2 = 57 CO + 55 H2O
HNO3Fe = Fe(NO3)H =>
HNO3Fe = Fe(NO3)H
Pd2(CO3)3 = CO2 + Pd2O3 =>
Pd2(CO3)3 = 3 CO2 + Pd2O3
HBr(aq) + Cr(s) = CrBr3(s) + H2(g) =>
6 HBr(aq) + 2 Cr(s) = 2 CrBr3(s) + 3 H2(g)
HNO3 + Fe = Fe2(NO3)3 + H2 =>
6 HNO3 + 4 Fe = 2 Fe2(NO3)3 + 3 H2
CH3COOH(aq) + NaOH = CH3COONa + H2O =>
CH3COOH(aq) + NaOH = CH3COONa + H2O
FeOHCl2 + H2SO4 = Fe2(SO4)3 + H2O + HCl =>
2 FeOHCl2 + 3 H2SO4 = Fe2(SO4)3 + 2 H2O + 4 HCl
Na3[Al(OH)6] = NaAlO2 + H2O + NaOH =>
Na3[Al(OH)6] = NaAlO2 + 2 H2O + 2 NaOH
NaCl(aq) + Pb(NO3)2 = NaNO3 + PbCl2 =>
2 NaCl(aq) + Pb(NO3)2 = 2 NaNO3 + PbCl2
CH3CO2OH + O2 = CO2 + H2O =>
2 CH3CO2OH + 3 O2 = 4 CO2 + 4 H2O
K2SiO3 + Al2(SO4)3 = Al2(SiO3)3 + K2SO4 =>
3 K2SiO3 + Al2(SO4)3 = Al2(SiO3)3 + 3 K2SO4
Ba(ClO4)2 + Na3PO4 = Ba3(PO4)2 + Na(ClO4) =>
3 Ba(ClO4)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 Na(ClO4)
Na{-} + H2O = NaOH + H{-} =>
Na{-} + H2O = NaOH + H{-}
MnC2O4*3H2O + O2 = MnO + H2O + CO2 =>
2 MnC2O4*3H2O + O2 = 2 MnO + 6 H2O + 4 CO2
KBr(s) = K(s) + Br2 =>
2 KBr(s) = 2 K(s) + Br2
H2O(g) + Al = Al2O3 + H =>
3 H2O(g) + 2 Al = Al2O3 + 6 H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/05/24
Équations équilibrées sur07/05/23
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