| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HgO(heat) = 2 Hg + O2
Pb(NO3)2(aq) + H2SO4 = PbSO4(l) + HNO3(aq) =>
Pb(NO3)2(aq) + H2SO4 = PbSO4(l) + 2 HNO3(aq)
Sr(NO3)2 + CaSO4 = Sr(SO4) + Ca(NO3)2 =>
Sr(NO3)2 + CaSO4 = Sr(SO4) + Ca(NO3)2
C2H4(l) + O2 = CO2 + H2O =>
C2H4(l) + 3 O2 = 2 CO2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C2H2(COOH)2 + Na2CO3 = C2H2(COONa)2 + CO2 + H2O =>
C2H2(COOH)2 + Na2CO3 = C2H2(COONa)2 + CO2 + H2O
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
C7H9O + C4H6O3 = C9H10O2 + C2H4O2 =>
12 C7H9O + 26 C4H6O3 = 14 C9H10O2 + 31 C2H4O2
MgS + NaBr = MgNa + BrS =>
MgS + NaBr = MgNa + BrS
SiO2 + Mg(OH)2 = MgSiO3 + H2O =>
SiO2 + Mg(OH)2 = MgSiO3 + H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
MnO4{-} + Al(C2O4)3{3-} + H{+} = Mn{2+} + CO2 + Al{3+} + H2O =>
6 MnO4{-} + 5 Al(C2O4)3{3-} + 48 H{+} = 6 Mn{2+} + 30 CO2 + 5 Al{3+} + 24 H2O
HNO3 + Br2 = HBrO3 + NO2 + H2 =>
6 HNO3 + Br2 = 2 HBrO3 + 6 NO2 + 2 H2
Na(OH) + H2SO4 = Na2SO4 + H2O =>
2 Na(OH) + H2SO4 = Na2SO4 + 2 H2O
PbCl2 + Fe(NO3)3 = FeCl3 + Pb(NO3)2 =>
3 PbCl2 + 2 Fe(NO3)3 = 2 FeCl3 + 3 Pb(NO3)2
Co(CH3COO)2 + (NH4)3PO4 = Co3(PO4)2 + NH4CH3COO =>
3 Co(CH3COO)2 + 2(NH4)3PO4 = Co3(PO4)2 + 6 NH4CH3COO
NaCl + Sn(NO3)2 = NaNO3 + SnCl2 =>
2 NaCl + Sn(NO3)2 = 2 NaNO3 + SnCl2
Fe(NO3)2(aq) + K2CO3(aq) = FeCO3(s) + KNO3(aq) =>
Fe(NO3)2(aq) + K2CO3(aq) = FeCO3(s) + 2 KNO3(aq)
Pb(s) + Cl2(g) = PbCl2 =>
Pb(s) + Cl2(g) = PbCl2
KHS + H2O = H3O + KS =>
KHS + H2O = H3O + KS
LiH2PO4 = LiHPO4 + H =>
LiH2PO4 = LiHPO4 + H
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CaC2 + H2O(water) = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O(water) = C2H2 + Ca(OH)2
FeS2 + BaCl + O2 = BaSO4 + FeCl2 =>
FeS2 + 2 BaCl + 4 O2 = 2 BaSO4 + FeCl2
Ba + Mn(NO3)2 = Ba(NO3)2 + Mn =>
Ba + Mn(NO3)2 = Ba(NO3)2 + Mn
SO3{-2} + H{+} + Ba{-} + H2O2 = H2O + BaSO4 =>
2 SO3{-2} + 6 H{+} + 2 Ba{-} + 5 H2O2 = 8 H2O + 2 BaSO4
AgNO3 + Zn = Ag + Zn(NO3)2 =>
2 AgNO3 + Zn = 2 Ag + Zn(NO3)2
AgPb + NaCl = NaPb + AgCl =>
AgPb + NaCl = NaPb + AgCl
N + Ca(OH)2 = N2(OH) + Ca =>
4 N + Ca(OH)2 = 2 N2(OH) + Ca
C2H5OH + KCl = KOH + C2H5Cl =>
C2H5OH + KCl = KOH + C2H5Cl
HCl(aq) + Zn(OH)2(s) = ZnCl2 + H2O =>
2 HCl(aq) + Zn(OH)2(s) = ZnCl2 + 2 H2O
Na2SO2 + HCl = NaCl + SO2 + H2 =>
Na2SO2 + 2 HCl = 2 NaCl + SO2 + H2
(NH4)2CO3 + AlCl3 = Al(NH4)3 + Cl2CO3 =>
3(NH4)2CO3 + 2 AlCl3 = 2 Al(NH4)3 + 3 Cl2CO3
CoCl2 + NH4SCN + C5H11OH + (NH4)2SO4 = Cl2[(NH4)2Co(SCN)] + H2S + C5H10OH =>
42 CoCl2 + 62 NH4SCN + 166 C5H11OH + (NH4)2SO4 = 42 Cl2[(NH4)2Co(SCN)] + 21 H2S + 170 C5H10OH
Ca(H2PO4)2 + KOH = K(HPO4) + H2O + Ca =>
Ca(H2PO4)2 + 2 KOH = 2 K(HPO4) + 2 H2O + Ca
CH3CH2NH3Cl + NaOH = CH3CH2NH3OHNaCl =>
CH3CH2NH3Cl + NaOH = CH3CH2NH3OHNaCl
HCOHH2 = H3COH =>
HCOHH2 = H3COH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn(HSO4)2 + NaOH = Na2[Zn(OH)4] + Na2SO4 + H2O =>
Zn(HSO4)2 + 6 NaOH = Na2[Zn(OH)4] + 2 Na2SO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SiO2 + CaMg(CO3)2 + H2O = Ca2Mg5(Si8O22)(OH)2 + CaCO3 + CO2 =>
8 SiO2 + 5 CaMg(CO3)2 + H2O = Ca2Mg5(Si8O22)(OH)2 + 3 CaCO3 + 7 CO2
KCl + AlBr3 + H2O = Al(OH)3 + KBr + HCl =>
3 KCl + AlBr3 + 3 H2O = Al(OH)3 + 3 KBr + 3 HCl
K2Al(C2O4)3*3H2O + H2SO4 + KMnO4 = Al2SO4 + K2SO4 + MnSO4 + CO2 + H2O =>
10 K2Al(C2O4)3*3H2O + 24 H2SO4 + 6 KMnO4 = 5 Al2SO4 + 13 K2SO4 + 6 MnSO4 + 60 CO2 + 54 H2O
KOH + H2CO2 = K2CO2 + H2O =>
2 KOH + H2CO2 = K2CO2 + 2 H2O
H2SO4 + Al2O3 = Al2(SO4)3 + H2O =>
3 H2SO4 + Al2O3 = Al2(SO4)3 + 3 H2O
Zn + HON3 = Zn(NO3)2 + N2 + H2O =>
Zn + 12 HON3 = Zn(NO3)2 + 17 N2 + 6 H2O
O2 = O3 =>
3 O2 = 2 O3
Cu(ii)O + HCl = Cu(ii)Cl + HO =>
Cu(ii)O + HCl = Cu(ii)Cl + HO
Na + H3O{+} = Na{+} + H2O + H2 =>
2 Na + 2 H3O{+} = 2 Na{+} + 2 H2O + H2
(Fe(OH)2)2SO4 + H2SO4 = Fe(OH)SO4 + H2O =>
(Fe(OH)2)2SO4 + H2SO4 = 2 Fe(OH)SO4 + 2 H2O
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Équations équilibrées sur12/17/24
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