| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnS + 4 HCl = [ZnCl4]{2-} + 2 H{+} + H2S
N2 + He = He2N =>
N2 + 4 He = 2 He2N
Au2O + KCN + H2O = K[Au(OH)2] + AuCN =>
Au2O + KCN + H2O = K[Au(OH)2] + AuCN
CrO4{2-} + e + H{+} = Cr{3+} + H2O =>
CrO4{2-} + 3e + 8 H{+} = Cr{3+} + 4 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SiF6 + CaO = SiF4 + CaF2 + H2O =>
H2SiF6 + CaO = SiF4 + CaF2 + H2O
As + Ga = GaAs =>
As + Ga = GaAs
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
NaHCO3 + Na2SO4 = NaHSO4 + Na2CO3 =>
NaHCO3 + Na2SO4 = NaHSO4 + Na2CO3
AgBr(s) + Cl2{-}1(aq) = AgCl2(s) + Br{-}2(aq) =>
AgBr(s) + Cl2{-}1(aq) = AgCl2(s) + Br{-}2(aq)
CrCl3 + Na2CO3 = Cr2(CO3)3 + NaCl =>
2 CrCl3 + 3 Na2CO3 = Cr2(CO3)3 + 6 NaCl
CoCl2*6H2O + NH4Cl + NH3 + H2O2 = [Co(NH3)5]Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5]Cl3 + 14 H2O
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
Br + O2 = Br2O7 =>
4 Br + 7 O2 = 2 Br2O7
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2SO3(aq) + HNO3(aq) = KNO3 + H2SO3 =>
K2SO3(aq) + 2 HNO3(aq) = 2 KNO3 + H2SO3
K4[Fe(CN)6] + FeCl3 = KFe[Fe(CN)6] + KCl =>
K4[Fe(CN)6] + FeCl3 = KFe[Fe(CN)6] + 3 KCl
Cl + VOSO4 = VOCl2 + SO4 =>
2 Cl + VOSO4 = VOCl2 + SO4
Bi2[CO3]3 + HNO3 = Bi(NO3)3 + CO2 + H2O =>
Bi2[CO3]3 + 6 HNO3 = 2 Bi(NO3)3 + 3 CO2 + 3 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
ZnS + KOH + H2O = K2[Zn(OH)4] + H2S =>
ZnS + 2 KOH + 2 H2O = K2[Zn(OH)4] + H2S
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na + HCl = NaCl + H =>
Na + HCl = NaCl + H
C3H8(g) + O(g) = CO2 + H2O =>
C3H8(g) + 10 O(g) = 3 CO2 + 4 H2O
Cu + No3Ag = CuAg + No3 =>
Cu + No3Ag = CuAg + No3
FeSO4 + Cl2 + H2O = Fe(OH)3 + H2SO4 + HCl =>
2 FeSO4 + Cl2 + 6 H2O = 2 Fe(OH)3 + 2 H2SO4 + 2 HCl
Sc + Cr + O2 = Sc2(Cr2O7)3 =>
4 Sc + 12 Cr + 21 O2 = 2 Sc2(Cr2O7)3
Ca(OH)2 + Co2 = CaCo3 + OH =>
2 Ca(OH)2 + 3 Co2 = 2 CaCo3 + 4 OH
NaHCO3(s) + CH3COOH(l) = CO2(g) + H2O(l) + CH3COONa =>
NaHCO3(s) + CH3COOH(l) = CO2(g) + H2O(l) + CH3COONa
HI2 + MgOH = MgI2 + H2O =>
HI2 + MgOH = MgI2 + H2O
Fe3C + Cr2O3 = Cr3C + Fe + CO2 =>
13 Fe3C + 6 Cr2O3 = 4 Cr3C + 39 Fe + 9 CO2
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
Cd + HF = CdF2 + H2 =>
Cd + 2 HF = CdF2 + H2
CH4 + Cl2 = HCl + CH3Cl = CH2Cl2 =>
CH4 + Cl2 = HCl + CH3Cl
Na2B4O7 + H2O = NaBO2 + H3BO3 =>
Na2B4O7 + 3 H2O = 2 NaBO2 + 2 H3BO3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
AgNO3(aq) + K2Cr2O7(aq) + H2O = KNO3(aq) + HNO3 + Ag2CrO4(s) =>
4 AgNO3(aq) + K2Cr2O7(aq) + H2O = 2 KNO3(aq) + 2 HNO3 + 2 Ag2CrO4(s)
MgBr2 + Mn(CH3COO)2 = MnBr2 + Mg(CH3COO)2 =>
MgBr2 + Mn(CH3COO)2 = MnBr2 + Mg(CH3COO)2
Se + C = SeC =>
Se + C = SeC
Ni3(PO4)2 + H2SO4 = NiSO4 + H3PO4 =>
Ni3(PO4)2 + 3 H2SO4 = 3 NiSO4 + 2 H3PO4
HBrO + Mn = Br + Mn2O3 + H =>
3 HBrO + 2 Mn = 3 Br + Mn2O3 + 3 H
Na + Fe2O3 = Na2O + Fe =>
6 Na + Fe2O3 = 3 Na2O + 2 Fe
NO3{-} + Cu{2+} = NO + Cu + O2 =>
2 NO3{-} + Cu{2+} = 2 NO + Cu + 2 O2
Al(NO3)3 + Be(OH)2 = Be(NO3)2 + Al(OH)3 =>
2 Al(NO3)3 + 3 Be(OH)2 = 3 Be(NO3)2 + 2 Al(OH)3
Na2PO4 + NaCl = Na2Cl + NaPO4 =>
Na2PO4 + NaCl = Na2Cl + NaPO4
AgNO3 + Zn(s) = Ag(s) + ZnNO3 =>
AgNO3 + Zn(s) = Ag(s) + ZnNO3
CaAl2Si2O8 + CaMgSi2O6 = Mg3Al2Si3O12 + Ca3Al2Si3O12 + SiO2 =>
3 CaAl2Si2O8 + 3 CaMgSi2O6 = Mg3Al2Si3O12 + 2 Ca3Al2Si3O12 + 3 SiO2
Pb(OH)2 + H{+} = H2O + Pb{2+} =>
Pb(OH)2 + 2 H{+} = 2 H2O + Pb{2+}
K2S(aq) + Pb(NO3)2(aq) = KNO3(aq) + PbS(s) =>
K2S(aq) + Pb(NO3)2(aq) = 2 KNO3(aq) + PbS(s)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/15/24
Équations équilibrées sur01/14/24
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