| Équations équilibrées la veille |
Br2 + 2 HCl = 2 Cl + 2 HBr
Zn(OH)2 + NH3 = Zn(NH3)4{2+} + OH{-} =>
Zn(OH)2 + 4 NH3 = Zn(NH3)4{2+} + 2 OH{-}
Pb(NO3)2(aq) + Na2SO4 = PbSO4(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2SO4 = PbSO4(s) + 2 NaNO3(aq)
CuOH{2} = CuO + H{2}O =>
CuOH{2} = CuO + H{2}O
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4 + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4 + 2 NH3(g) + 2 H2O(l)
NaH + H2SO3 = H2 + Na2SO3 =>
2 NaH + H2SO3 = 2 H2 + Na2SO3
BaCl2 + Na2(CO3) = Ba(CO3) + Na2Cl2 =>
BaCl2 + Na2(CO3) = Ba(CO3) + Na2Cl2
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
MgN + H2O = MgO + H2N =>
MgN + H2O = MgO + H2N
Pt + HNO3 + HCl = H2PtCl6 + NO2 + H2O =>
Pt + 4 HNO3 + 6 HCl = H2PtCl6 + 4 NO2 + 4 H2O
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 + C2H2O4 = Al(C2O4) + H2O + CO2 =>
Al2O3 + 3 C2H2O4 = 2 Al(C2O4) + 3 H2O + 2 CO2
K + HNO3 = KNO3 + N2 + H2O =>
10 K + 12 HNO3 = 10 KNO3 + N2 + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
H + F = HF =>
H + F = HF
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Mn + Cr(NO3)3 = Mn(NO3)2 + Cr =>
3 Mn + 2 Cr(NO3)3 = 3 Mn(NO3)2 + 2 Cr
KNO2 + NaClO + H2SO4 = Cl2 + KNO3 + Na2SO4 + H2O =>
KNO2 + 2 NaClO + H2SO4 = Cl2 + KNO3 + Na2SO4 + H2O
AgNO3(aq) + CaI2(aq) = AgI(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaI2(aq) = 2 AgI(s) + Ca(NO3)2(aq)
*2N2 + *3H2 = *2NH3 =>
*2N2 + 2*3H2 = 2*2NH3
CaI2 + NiSO4 = CaSO4 + NiI2 =>
CaI2 + NiSO4 = CaSO4 + NiI2
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
NaH + BCl3 = NaCl + B + H =>
3 NaH + BCl3 = 3 NaCl + B + 3 H
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Na + F = NaF =>
Na + F = NaF
C3H8O3 + HNO3 = C3H5N3O9 + H2O =>
C3H8O3 + 3 HNO3 = C3H5N3O9 + 3 H2O
Bi(NO3)3 + CaI2 = BiI3 + Ca(NO3)2 =>
2 Bi(NO3)3 + 3 CaI2 = 2 BiI3 + 3 Ca(NO3)2
SiOH + CO2 = SiO2 + H2O + C2Si =>
4 SiOH + 2 CO2 = 3 SiO2 + 2 H2O + C2Si
NH4ClO3 + Al2(SO4)3 = Al(ClO3)3 + (NH4)2SO4 =>
6 NH4ClO3 + Al2(SO4)3 = 2 Al(ClO3)3 + 3(NH4)2SO4
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Mg2 + N2 + HCl = MgCl2 + NH3 =>
3 Mg2 + 2 N2 + 12 HCl = 6 MgCl2 + 4 NH3
Fe(CH3COO)3 + H2SO4 = Fe2(SO4)3 + CH3COOH =>
2 Fe(CH3COO)3 + 3 H2SO4 = Fe2(SO4)3 + 6 CH3COOH
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O
HNO3 + CU = CU(NO3)2 + NO + H2OH2O =>
8 HNO3 + 3 CU = 3 CU(NO3)2 + 2 NO + 2 H2OH2O
CsOH + Br2 = Br(OH)2 + Cs =>
4 CsOH + Br2 = 2 Br(OH)2 + 4 Cs
V(OH)2 + H2SO4 = V2(SO4)3 + H2O + SO2 =>
2 V(OH)2 + 4 H2SO4 = V2(SO4)3 + 6 H2O + SO2
NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + NaOH =>
2 NaH2PO4 + Ba(OH)2 = Ba(H2PO4)2 + 2 NaOH
Zn + HNO3 = ZnNO32 + N2O + H2O =>
8 Zn + 126 HNO3 = 8 ZnNO32 + 59 N2O + 63 H2O
C4H8 + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
3 C4H8 + 8 KMnO4 = 6 CH3COOK + 8 MnO2 + 2 KOH + 2 H2O
MnO4[{-}] + NH3 = MnO2 + NO3[{-}] + OH[{-}] + H2O =>
8 MnO4[{-}] + 3 NH3 = 8 MnO2 + 3 NO3[{-}] + 5 OH[{-}] + 2 H2O
AgNO3 + NaNO2 = AgNO2 + NaNO3 =>
AgNO3 + NaNO2 = AgNO2 + NaNO3
Mg + O = MgO =>
Mg + O = MgO
Ca + H2S = CaH2S =>
Ca + H2S = CaH2S
LiNO3 + Fe(NO2)3(H2O)9 + C6H8O7(H2O) = Li5Fe25O40 + CO2 + H2O + N2 =>
45 LiNO3 + 225 Fe(NO2)3(H2O)9 + 125 C6H8O7(H2O) = 9 Li5Fe25O40 + 750 CO2 + 2650 H2O + 360 N2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Sr(SCN)2 + Na3BO3 = Sr3(BO3)2 + NaSCN =>
3 Sr(SCN)2 + 2 Na3BO3 = Sr3(BO3)2 + 6 NaSCN
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Équations équilibrées sur10/22/24
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