| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 KMnO4 + 10 NO + 4 H2SO4 = MnSO4 + 5 Mn(NO3)2 + 3 K2SO4 + 4 H2O
P2 + Br = PBr3 =>
P2 + 6 Br = 2 PBr3
HBr + CuSO4 = CuBr2 + H2SO4 =>
2 HBr + CuSO4 = CuBr2 + H2SO4
NH4NO3 + C12H26 = N2 + CO2 + H2O =>
37 NH4NO3 + C12H26 = 37 N2 + 12 CO2 + 87 H2O
Pb(NO3)2 + K2CrO4 = (PbCrO4)2 + KNO3 =>
2 Pb(NO3)2 + 2 K2CrO4 = (PbCrO4)2 + 4 KNO3
C2H6 + I2 = CH3I =>
C2H6 + I2 = 2 CH3I
ZnBr2 + Zn(NO3)2 = BrNO3 + Zn =>
ZnBr2 + Zn(NO3)2 = 2 BrNO3 + 2 Zn
CaCl{-}Cl{-} + MgSO4 = MgCl{-}Cl{-} + CaSO4 =>
CaCl{-}Cl{-} + MgSO4 = MgCl{-}Cl{-} + CaSO4
Na2O + HCl = NaOH + NaCl =>
Na2O + HCl = NaOH + NaCl
Br + H2O = BrO + H =>
Br + H2O = BrO + 2 H
Ca(CH3CO2)2 + K3PO4 = Ca3(PO4)2 + KCH3CO2 =>
3 Ca(CH3CO2)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCH3CO2
HCl(aq) + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl(aq) + CaCO3 = CO2 + H2O + CaCl2
C20H25N3O + O2 = CO2 + H2O + N2O4 =>
4 C20H25N3O + 115 O2 = 80 CO2 + 50 H2O + 6 N2O4
Cr2 + H4 = Cr18H36 =>
9 Cr2 + 9 H4 = Cr18H36
KBr + Al2S3O12 = AlBr3 + K2SO4 =>
6 KBr + Al2S3O12 = 2 AlBr3 + 3 K2SO4
Fe2O3 + NaOH = Fe2Na + H2O2 + O2 =>
2 Fe2O3 + 2 NaOH = 2 Fe2Na + H2O2 + 3 O2
VO2 + Fe2O3 = VO5 + FeO =>
VO2 + 3 Fe2O3 = VO5 + 6 FeO
K2[Pb(OH)4] + HNO3 = Pb(NO3)2 + KOH + H2O =>
K2[Pb(OH)4] + 2 HNO3 = Pb(NO3)2 + 2 KOH + 2 H2O
C6H5CH3CH2CH2 + KMnO4 + H2SO4 = C6H5COOK + MnSO4 + KOH + H2O =>
35 C6H5CH3CH2CH2 + 66 KMnO4 + 66 H2SO4 = 45 C6H5COOK + 66 MnSO4 + 21 KOH + 153 H2O
CaCO3 + HCl(aq) = CaCl2(aq) + H2O + CO2 =>
CaCO3 + 2 HCl(aq) = CaCl2(aq) + H2O + CO2
HCl(aq) + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl(aq) + CaCO3 = CO2 + H2O + CaCl2
Pb3O4 + HNO3 = Pb(OH)4 + Pb(NO3)2 =>
Pb3O4 + 4 HNO3 = Pb(OH)4 + 2 Pb(NO3)2
Al + H3(PO)4 = Al(PO)4 + H2 =>
2 Al + 2 H3(PO)4 = 2 Al(PO)4 + 3 H2
C2H2O4 = HCOOH + CO2 =>
C2H2O4 = HCOOH + CO2
CaCO3 + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3 + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
K2Cr2O7 + H2SO4 + C3H7COH = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
11 K2Cr2O7 + 44 H2SO4 + 3 C3H7COH = 11 K2SO4 + 11 Cr2(SO4)3 + 12 CO2 + 56 H2O
Na4[Fe(CN)6]3 + FeSO4 = Fe4[Fe(CN)6]3 + NaSO4 =>
Na4[Fe(CN)6]3 + 4 FeSO4 = Fe4[Fe(CN)6]3 + 4 NaSO4
CaCO3 + H2 = CaO + CO + H2O =>
CaCO3 + H2 = CaO + CO + H2O
NH3 + I23 = N2I6 + H2 =>
46 NH3 + 6 I23 = 23 N2I6 + 69 H2
K2CrO7 + CrCl2 + H2SO4 = Cr2(SO4)3 + K2SO4 + Cl2 + H2O =>
K2CrO7 + 3 CrCl2 + 7 H2SO4 = 2 Cr2(SO4)3 + K2SO4 + 3 Cl2 + 7 H2O
CaCl2(aq) = Ca(s) + Cl(aq) =>
CaCl2(aq) = Ca(s) + 2 Cl(aq)
NH4Cl + H2O = NH3Cl{-} + H3O{+} =>
NH4Cl + H2O = NH3Cl{-} + H3O{+}
S2Cl2 + H2O = S + H2SO4 + HCl =>
3 S2Cl2 + 4 H2O = 5 S + H2SO4 + 6 HCl
H2CO3 + Cr2O3 = Cr2(CO3)3 + H2O =>
3 H2CO3 + Cr2O3 = Cr2(CO3)3 + 3 H2O
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
SiO(g) = SiO2(g) + Si(s) =>
2 SiO(g) = SiO2(g) + Si(s)
CrCl3 + (NH4)2S = Cr2S3(s) + NH4Cl =>
2 CrCl3 + 3(NH4)2S = Cr2S3(s) + 6 NH4Cl
NaClO + U(SO4)2 + KOH = NaCl + UO2SO4 + K2SO4 + H2O =>
NaClO + U(SO4)2 + 2 KOH = NaCl + UO2SO4 + K2SO4 + H2O
Fr(s) + H2S(g) = Fr2S(s) + H2(g) =>
2 Fr(s) + H2S(g) = Fr2S(s) + H2(g)
HCl(aq) + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl(aq) + CaCO3 = CO2 + H2O + CaCl2
FeCr2O7 + K2CO3 + O = FeO + K2CrO7 + CO2 =>
FeCr2O7 + 2 K2CO3 + 6 O = FeO + 2 K2CrO7 + 2 CO2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Mn(CH3COO)2 + KMnO4 + CH3COOH = Mn(CH3COO)3 + CH3COOK + H2O =>
4 Mn(CH3COO)2 + KMnO4 + 8 CH3COOH = 5 Mn(CH3COO)3 + CH3COOK + 4 H2O
AgNO3(aq) + NaCO3(aq) = AgCO3(aq) + NaNO3(s) =>
AgNO3(aq) + NaCO3(aq) = AgCO3(aq) + NaNO3(s)
HCl(aq) + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl(aq) + CaCO3 = CO2 + H2O + CaCl2
KOH + CoCl2 + KClO3 = CoO3 + KCl + H2O =>
6 KOH + 3 CoCl2 + 2 KClO3 = 3 CoO3 + 8 KCl + 3 H2O
Cl2 + HNO3 = HClO3 + NO + H2O =>
3 Cl2 + 10 HNO3 = 6 HClO3 + 10 NO + 2 H2O
C4H8O(v) + O2 = CO2(g) + H2O(v) =>
2 C4H8O(v) + 11 O2 = 8 CO2(g) + 8 H2O(v)
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Cd3N2 = Cd + N2 =>
Cd3N2 = 3 Cd + N2
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Équations équilibrées sur01/31/24
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