| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 H2SO4 + 2 K2(Cr2O7) = 2 K2(SO4) + 2 Cr2(SO4)3 + 8 H2O + 3 O2
KHCO3 + Ca(OH)2 = KOH + H2O + CaCO3 =>
KHCO3 + Ca(OH)2 = KOH + H2O + CaCO3
CrO3 + HCl + KBr = KCl + CrCl3 + Br2 + H2O =>
2 CrO3 + 12 HCl + 6 KBr = 6 KCl + 2 CrCl3 + 3 Br2 + 6 H2O
CaSi + H2O = Ca(OH)2 + H2 + SiO2 =>
CaSi + 4 H2O = Ca(OH)2 + 3 H2 + SiO2
CaSO4 + Co3(PO4)2 = Ca3(PO4)2 + CoSO4 =>
3 CaSO4 + Co3(PO4)2 = Ca3(PO4)2 + 3 CoSO4
HI + KMnO4 = K1 + MnI2 + H2O + I2 =>
8 HI + KMnO4 = K1 + MnI2 + 4 H2O + 3 I2
CH3CH2COOH + CaCO3 = (CH3CH2COO)Ca + H2O + CO2 =>
15 CH3CH2COOH + 14 CaCO3 = 14(CH3CH2COO)Ca + 10 H2O + 17 CO2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
PCl4 = P4 + Cl2 =>
4 PCl4 = P4 + 8 Cl2
CH4 + H2SO4 = H2S + CO2 + H2 =>
2 CH4 + H2SO4 = H2S + 2 CO2 + 4 H2
Nb2O5 + Al = Nb + Al2O3 =>
3 Nb2O5 + 10 Al = 6 Nb + 5 Al2O3
Ni + HBr = NiBr + H =>
Ni + HBr = NiBr + H
C2H5OH + H2O = CO2 + H2 =>
C2H5OH + 3 H2O = 2 CO2 + 6 H2
HI + KMnO4 = K1 + MnI2 + H2O + I2 =>
8 HI + KMnO4 = K1 + MnI2 + 4 H2O + 3 I2
FeO + Mg(OH)2 = MgO + Fe(OH)2 =>
FeO + Mg(OH)2 = MgO + Fe(OH)2
H[CuCl2] + NaOH = CuOH + NaCl + H2O =>
H[CuCl2] + 2 NaOH = CuOH + 2 NaCl + H2O
MnO4{-} + I{-} + OH{-} = MnO4{2-} + IO3{-} + H2O =>
6 MnO4{-} + I{-} + 6 OH{-} = 6 MnO4{2-} + IO3{-} + 3 H2O
K2Sn(OH)6 + HCl = K2SnCl6 + H2O =>
K2Sn(OH)6 + 6 HCl = K2SnCl6 + 6 H2O
H2CO3 + Zn(OH)2 = H2O + ZnCO3 =>
H2CO3 + Zn(OH)2 = 2 H2O + ZnCO3
Zn + K[Au(CN)2] = K2[Zn(CN)4] + Au =>
Zn + 2 K[Au(CN)2] = K2[Zn(CN)4] + 2 Au
AgBrO3 + K2CrO4 = Ag2CrO4 + KBrO3 =>
2 AgBrO3 + K2CrO4 = Ag2CrO4 + 2 KBrO3
AlSO4 + HCl = AlCl + HSO4 =>
AlSO4 + HCl = AlCl + HSO4
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + Na2(NO3)2 =>
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + Na2(NO3)2
Na2O + MgBr2 = MgO2 + Br2(Na2)2 =>
2 Na2O + MgBr2 = MgO2 + Br2(Na2)2
Fe3C + HCl = FeCl2 + CH4 + H2 =>
Fe3C + 6 HCl = 3 FeCl2 + CH4 + H2
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
SnO2 + KOH + H2O = K2[Sn(OH)6] =>
SnO2 + 2 KOH + 2 H2O = K2[Sn(OH)6]
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
MgBr2 + AlN = Mg3N2 + AlBr3 =>
3 MgBr2 + 2 AlN = Mg3N2 + 2 AlBr3
KMnO4 + SnCl2 + KOH = K2MnO4 + K2SnO3 + KCl + H2O =>
2 KMnO4 + SnCl2 + 6 KOH = 2 K2MnO4 + K2SnO3 + 2 KCl + 3 H2O
AgC2H3O2 + KI = AgI + KC2H3O2 =>
AgC2H3O2 + KI = AgI + KC2H3O2
C2H5CN + H2O = C2H5COOH + NH3 =>
C2H5CN + 2 H2O = C2H5COOH + NH3
MnO4{-} + H2S + H{+} = Mn{+2} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{+2} + 5 S + 8 H2O
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
Zn + Mg(NO)3 = Zn(NO)3 + Mg =>
Zn + Mg(NO)3 = Zn(NO)3 + Mg
MnO4{-} + H2S + H{+} = Mn{+2} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{+2} + 5 S + 8 H2O
C2H6 + Br2 = C2Br6 + HBr =>
C2H6 + 6 Br2 = C2Br6 + 6 HBr
CrO3 + HCl + KBr = KCl + CrCl3 + Br2 + H2O =>
2 CrO3 + 12 HCl + 6 KBr = 6 KCl + 2 CrCl3 + 3 Br2 + 6 H2O
Mg(C2H3O2) + Ba(OH)2 = Ba(C2H3O2) + Mg(OH)2 =>
Mg(C2H3O2) + Ba(OH)2 = Ba(C2H3O2) + Mg(OH)2
K3(PO4)(aq) + MgCl2(aq) = Mg3(PO4)2 + KCl(aq) =>
2 K3(PO4)(aq) + 3 MgCl2(aq) = Mg3(PO4)2 + 6 KCl(aq)
Ba + HCl = BaH2 + Cl2 =>
Ba + 2 HCl = BaH2 + Cl2
KBr + H3PO4 = K3PO4 + HBr =>
3 KBr + H3PO4 = K3PO4 + 3 HBr
Na2S2O3(s) + H2SO4(aq) = Na2SO3 + H2O + SO2 =>
Na2S2O3(s) + 2 H2SO4(aq) = Na2SO3 + 2 H2O + 3 SO2
SO4{2-} + H2 = S{2-} + H2O =>
SO4{2-} + 4 H2 = S{2-} + 4 H2O
Pb(NO3)2 + NaOH = Na2[Pb(OH)4] + NaNO3 =>
Pb(NO3)2 + 4 NaOH = Na2[Pb(OH)4] + 2 NaNO3
H2O + V{2+} + H2SO3 = V + SO4{2-} + H{+} =>
H2O + V{2+} + H2SO3 = V + SO4{2-} + 4 H{+}
Zr + N2 = ZrN =>
2 Zr + N2 = 2 ZrN
HCN + MgOH = H2O + MgCN =>
HCN + MgOH = H2O + MgCN
Mn(NO3)2 + NaS = MnS2 + NaNO3 =>
Mn(NO3)2 + 2 NaS = MnS2 + 2 NaNO3
Na2HPO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3PMo12O40 + NaNO3 + NH4NO3 + H2O =>
7 Na2HPO4 + 12(NH4)6Mo7O24 + 65 HNO3 = 7(NH4)3PMo12O40 + 14 NaNO3 + 51 NH4NO3 + 36 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/09/24
Équations équilibrées sur07/09/23
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