| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu2S + 2 KI = K2S + 2 CuI
NH2 + Cl2 = N2 + HCl =>
2 NH2 + 2 Cl2 = N2 + 4 HCl
K2Co3 + ZnCl2 = K2Cl2 + ZnCo3 =>
K2Co3 + ZnCl2 = K2Cl2 + ZnCo3
C8H10O5 + O2 = CO2 + H2O =>
C8H10O5 + 8 O2 = 8 CO2 + 5 H2O
Li2SO4(aq) + Pb(C2H3O2)2(aq) = LiC2H3O2(aq) + PbSO4(s) =>
Li2SO4(aq) + Pb(C2H3O2)2(aq) = 2 LiC2H3O2(aq) + PbSO4(s)
Na + K(NO3) = K2O + Na2O + N =>
10 Na + 2 K(NO3) = K2O + 5 Na2O + 2 N
LiCN(aq) + H3PO4(aq) = Li3PO4(aq) + HCN(aq) =>
3 LiCN(aq) + H3PO4(aq) = Li3PO4(aq) + 3 HCN(aq)
Zn + CUSO4 = Zn(SO4) + CU =>
Zn + CUSO4 = Zn(SO4) + CU
(NH4)2S2O3 + KMnO4 + H2SO4 = (NH4)2SO4 + K2SO4 + MnSO4 + H2O =>
5(NH4)2S2O3 + 8 KMnO4 + 7 H2SO4 = 5(NH4)2SO4 + 4 K2SO4 + 8 MnSO4 + 7 H2O
MnO4{-} + Fe3{2+} + H{+} = Mn{2+} + Fe{3+} + H2O =>
7 MnO4{-} + 5 Fe3{2+} + 56 H{+} = 7 Mn{2+} + 15 Fe{3+} + 28 H2O
Au + NO3{-} + Cl{-} + H{+} = AuCl4{-} + NO + H2O =>
Au + NO3{-} + 4 Cl{-} + 4 H{+} = AuCl4{-} + NO + 2 H2O
CuI + NH3 + I2 = Cu(NH3)4{2+} + I{-} =>
2 CuI + 8 NH3 + I2 = 2 Cu(NH3)4{2+} + 4 I{-}
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
NaOH(aq) + CO2(g) = H2O(l) + Na2CO3(aq) =>
2 NaOH(aq) + CO2(g) = H2O(l) + Na2CO3(aq)
Zn3(PO4)2 + KOH = K3(PO4) + Zn(OH)2 =>
Zn3(PO4)2 + 6 KOH = 2 K3(PO4) + 3 Zn(OH)2
NiS + HNO3 = NiN2O6 + NO + S + H2O =>
3 NiS + 8 HNO3 = 3 NiN2O6 + 2 NO + 3 S + 4 H2O
FeCl2 + H2SO4 = FeSO43 + HCl + SO2 + H2O =>
FeCl2 + 40 H2SO4 = FeSO43 + 2 HCl + 39 SO2 + 39 H2O
MnO2 + KCIO3 + KOH = K2MnO4 + KCI + H2O =>
3 MnO2 + KCIO3 + 6 KOH = 3 K2MnO4 + KCI + 3 H2O
LiOH + NaNO3 = NaOH + LiNO3 =>
LiOH + NaNO3 = NaOH + LiNO3
HNO2 + Cu = NO + Cu(NO3)2 + H2O =>
8 HNO2 + Cu = 6 NO + Cu(NO3)2 + 4 H2O
NaOH + C20H14O4 = Na + H2C2O4 + H2O =>
66 NaOH + C20H14O4 = 66 Na + 10 H2C2O4 + 30 H2O
Ba + Si = Ba4Si =>
4 Ba + Si = Ba4Si
Ag2CrO4 + CH3COOH = CH3COOAg + H2O + CrO3 =>
Ag2CrO4 + 2 CH3COOH = 2 CH3COOAg + H2O + CrO3
Li2SO4 + K2CO3 = Li2CO3 + K2SO4 =>
Li2SO4 + K2CO3 = Li2CO3 + K2SO4
K2CO3 + Cu(CH3COO)2 = KCH3COO + Cu2(CO3)2 =>
2 K2CO3 + 2 Cu(CH3COO)2 = 4 KCH3COO + Cu2(CO3)2
Cl(g) + Na(m) = NaCl =>
Cl(g) + Na(m) = NaCl
Na2SO4H2O + BaCl2 = BaSO4 + H2O + NaCl =>
Na2SO4H2O + BaCl2 = BaSO4 + H2O + 2 NaCl
FeCl + K2Cr2O7 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
3 FeCl + K2Cr2O7 + 14 HCl = 3 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
C2H5OHH + O2 = CO2 + H2O =>
4 C2H5OHH + 13 O2 = 8 CO2 + 14 H2O
AgNO3(aq) + NaOH(aq) = Ag2O(s) + H2O + NaNO3(aq) =>
2 AgNO3(aq) + 2 NaOH(aq) = Ag2O(s) + H2O + 2 NaNO3(aq)
CaOCl2 + H2SO4 = CaSO4 + Cl2 + H2O =>
CaOCl2 + H2SO4 = CaSO4 + Cl2 + H2O
S + OH{-} = S{2-} + SO3{2-} + H2O =>
3 S + 6 OH{-} = 2 S{2-} + SO3{2-} + 3 H2O
C6H10 + HNO3 = C6H10O4 + NO2 + H2O =>
C6H10 + 8 HNO3 = C6H10O4 + 8 NO2 + 4 H2O
Ca(H2PO4)2 + C = Ca3(PO4)2 + CO + P4 + H2O =>
3 Ca(H2PO4)2 + 10 C = Ca3(PO4)2 + 10 CO + P4 + 6 H2O
CaCl2 + KCl = CaCl3 + K =>
CaCl2 + KCl = CaCl3 + K
(CaOH)2SO4 + HCl = CaCl2 + CaSO4 + H2O =>
(CaOH)2SO4 + 2 HCl = CaCl2 + CaSO4 + 2 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C6H5COOH(ac) + CaCO3 = CO2 + H2O + CaH4O2C6 =>
13 C6H5COOH(ac) + 15 CaCO3 = 16 CO2 + 9 H2O + 15 CaH4O2C6
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
Li2CO3 + CaO + H2O = LiOH*H2O + CaCO3 =>
Li2CO3 + CaO + 3 H2O = 2 LiOH*H2O + CaCO3
H2SnO3 + KOH = K2SnO3 + H2O =>
H2SnO3 + 2 KOH = K2SnO3 + 2 H2O
Mg(HCO3)2(t) = MgCO3 + H2O + CO2 =>
Mg(HCO3)2(t) = MgCO3 + H2O + CO2
KOH + C2H2O4H4O2 = K2C2O4 + H2O =>
2 KOH + C2H2O4H4O2 = K2C2O4 + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Zn(C2H3O2)2 + Al2(CO3)3 = ZnCO3 + Al(C2H3O2)3 =>
3 Zn(C2H3O2)2 + Al2(CO3)3 = 3 ZnCO3 + 2 Al(C2H3O2)3
Fe + H2SO4 = Fe2(SO4)3 + H999999999999999999999999 =>
3.0744573456183E + 18 Fe + 4.6116860184274E + 18 H2SO4 = 1.5372286728091E + 18 Fe2(SO4)3 + H999999999999999999999999
K2S + Cu = K + CuS =>
K2S + Cu = 2 K + CuS
CH3COONa + HCl = CH3COOH + NaCl =>
CH3COONa + HCl = CH3COOH + NaCl
HNO3 + KMnO4 + Fe(NO3)2 = H2O + Mn(NO3)2 + Fe(NO3)3 + KNO3 =>
8 HNO3 + KMnO4 + 5 Fe(NO3)2 = 4 H2O + Mn(NO3)2 + 5 Fe(NO3)3 + KNO3
Au + Mg(CN)2 = AuCN + Mg =>
2 Au + Mg(CN)2 = 2 AuCN + Mg
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Équations équilibrées sur10/24/24
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