| Équations équilibrées la veille | Équations équilibrées le lendemain |
Co{2} + CO3{2-} = CoCO3
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
BaCO3 + NaOH + H2SO4 = Na2CO3 + BaSO4 + H2O =>
BaCO3 + 2 NaOH + H2SO4 = Na2CO3 + BaSO4 + 2 H2O
K2CrO4 + ZnCl2 = K2Cl2 + ZnCrO4 =>
K2CrO4 + ZnCl2 = K2Cl2 + ZnCrO4
CH3CH2CH2CH2OH + Cr2O7 = CH3CH2CH2CHOH + Cr + H3O =>
21 CH3CH2CH2CH2OH + Cr2O7 = 21 CH3CH2CH2CHOH + 2 Cr + 7 H3O
F + CO2 = F2O + C =>
4 F + CO2 = 2 F2O + C
K2CO3 + NH4Cl = KCl + CO3(NH4)2 =>
K2CO3 + 2 NH4Cl = 2 KCl + CO3(NH4)2
CuSO4 + KCN = CuCN + K2SO4 + C2N2 =>
2 CuSO4 + 4 KCN = 2 CuCN + 2 K2SO4 + C2N2
BaCl2 + Pb(NO3)2 = Ba(NO3)2 + PbCl2 =>
BaCl2 + Pb(NO3)2 = Ba(NO3)2 + PbCl2
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
NaHCO3 + HC2H3H3O2 = NaC2H3O2 + CO2 + H2O =>
11 NaHCO3 + 8 HC2H3H3O2 = 11 NaC2H3O2 + 5 CO2 + 17 H2O
Ca(NO3)2 + NaCO3(aq) = CaCO3 + Na(NO3)2 =>
Ca(NO3)2 + NaCO3(aq) = CaCO3 + Na(NO3)2
(NH4)2S + Mn(OH)2 = (NH4)OH + SMn =>
(NH4)2S + Mn(OH)2 = 2(NH4)OH + SMn
Zn + H2SO4 = H2 + Zn2(SO4)4 =>
2 Zn + 4 H2SO4 = 4 H2 + Zn2(SO4)4
NH4NO3 + C3H8O3 = NH3 + H2O + C3H5(NO3)3 =>
3 NH4NO3 + C3H8O3 = 3 NH3 + 3 H2O + C3H5(NO3)3
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cr(CH3CO2)2 = Cr + (CH3CO2) =>
Cr(CH3CO2)2 = Cr + 2(CH3CO2)
P4 + K(OH) + H2O = KH2(PO2) + PH3 =>
P4 + 3 K(OH) + 3 H2O = 3 KH2(PO2) + PH3
(NH4)2CO3*H2O + MgCl2*6H2O = MgCO3 + NH4Cl + H2O =>
(NH4)2CO3*H2O + MgCl2*6H2O = MgCO3 + 2 NH4Cl + 7 H2O
AgNO3 + Cl2 + H2O = AgCl + HNO3 + HClO3 =>
5 AgNO3 + 3 Cl2 + 3 H2O = 5 AgCl + 5 HNO3 + HClO3
Fe2S3 + C3N4 = FeN + CS2 =>
2 Fe2S3 + C3N4 = 4 FeN + 3 CS2
KCl + H2O = K(OH) + HCl =>
KCl + H2O = K(OH) + HCl
NaSO4 + Al(OH)3 = Na(OH)3 + AlSO4 =>
NaSO4 + Al(OH)3 = Na(OH)3 + AlSO4
O2 + Fe(CO)9 = CO2 + Fe2O3 =>
21 O2 + 4 Fe(CO)9 = 36 CO2 + 2 Fe2O3
CH2CHCH2CH3 + KMnO4 + H2O = CH3OHCHOHCH2CH3 + Mn2O + KOH =>
12 CH2CHCH2CH3 + 2 KMnO4 + 19 H2O = 12 CH3OHCHOHCH2CH3 + Mn2O + 2 KOH
C9H8O4(S) + H2O(l) = C7H6O3(S) + C2H4O2(aq) =>
C9H8O4(S) + H2O(l) = C7H6O3(S) + C2H4O2(aq)
HC2H3O2 + CaSO3 = Ca(C2H3O2)2 + SO2 + H2O =>
2 HC2H3O2 + CaSO3 = Ca(C2H3O2)2 + SO2 + H2O
(NH4)2SO4 = NH3 + H2SO4 =>
(NH4)2SO4 = 2 NH3 + H2SO4
C12H22 + H2O = C2H6O + CO2 =>
6 C12H22 + 39 H2O = 35 C2H6O + 2 CO2
Al + H2SO4 = Al2(SO4)3 + H2Al =>
5 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2Al
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
Cr(NO3)3 + NaOH + H2O2 = Na2CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 HNO3 + 2 H2O
Si + H2O = SiO2 + H =>
Si + 2 H2O = SiO2 + 4 H
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SO2H2O = H2SO3 =>
SO2H2O = H2SO3
Na2CO3(aq) + Cr(NO3)3(aq) = Cr2(CO3)3 + NaNO3 =>
3 Na2CO3(aq) + 2 Cr(NO3)3(aq) = Cr2(CO3)3 + 6 NaNO3
Mg = Mg2{+} + e =>
2 Mg = Mg2{+} + e
NH4Cl + Cu2CrO4 = (NH4)2CrO4 + CuCl =>
2 NH4Cl + Cu2CrO4 = (NH4)2CrO4 + 2 CuCl
CH3COONa + H2O = CH3COOH + OH{-} + Na{+} =>
CH3COONa + H2O = CH3COOH + OH{-} + Na{+}
C2H5OH + CH3COOH = CH3COOC2H5 + H2O =>
C2H5OH + CH3COOH = CH3COOC2H5 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Pb(NO3)2 + LiCN = Pb(CN)2 + Li(NO3) =>
Pb(NO3)2 + 2 LiCN = Pb(CN)2 + 2 Li(NO3)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
[Fe(C2O4)3]{3-} = [Fe(C2O4)2]{-} + C2O4{2-} =>
[Fe(C2O4)3]{3-} = [Fe(C2O4)2]{-} + C2O4{2-}
Pb + H3(PO4) = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3(PO4) = 3 H2 + Pb3(PO4)2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
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