| Équations équilibrées la veille | Équations équilibrées le lendemain |
50 C3H5 + 20 C6H5COOH = 29 C10H10 + 40 H2O
CH3OH + KMnO4 + NaOH = CH2O + KNaMnO4 + H2O =>
CH3OH + 2 KMnO4 + 2 NaOH = CH2O + 2 KNaMnO4 + 2 H2O
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O =>
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O
BaSO4 + KCl = BaCl + KSO4 =>
BaSO4 + KCl = BaCl + KSO4
Mg + CaOH2 = MgOH2 + Ca =>
Mg + CaOH2 = MgOH2 + Ca
B + H2O = H3BO3 + H =>
B + 3 H2O = H3BO3 + 3 H
Fe(NO3)3 + K2CO3 = Fe2(CO3)3 + K(NO3) =>
2 Fe(NO3)3 + 3 K2CO3 = Fe2(CO3)3 + 6 K(NO3)
Ni(PO3)2 + KHSiO3 + Cr2Se3 = KHSeO4 + SiO2 + KHCrO4 + P2O3 + NiO =>
15 Ni(PO3)2 + 10 KHSiO3 + 2 Cr2Se3 = 6 KHSeO4 + 10 SiO2 + 4 KHCrO4 + 15 P2O3 + 15 NiO
Fe + Sn(OH)3 = Sn + Fe(OH)3 =>
Fe + Sn(OH)3 = Sn + Fe(OH)3
HI + Al2O3 = H2O + AlI3 =>
6 HI + Al2O3 = 3 H2O + 2 AlI3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HNO3 + Cu + O2 = Cu(NO3)2 + H2O = NO2 =>
4 HNO3 + 2 Cu + O2 = 2 Cu(NO3)2 + 2 H2O
Cu(HCO3)2(s) + HCl(aq) = CuCl2(aq) + H2O(g) + CO2(g) =>
Cu(HCO3)2(s) + 2 HCl(aq) = CuCl2(aq) + 2 H2O(g) + 2 CO2(g)
Ag(s) + (NH4)2S2O8 = AgSO4(aq) + (NH4)2SO4(aq) =>
Ag(s) + (NH4)2S2O8 = AgSO4(aq) + (NH4)2SO4(aq)
NaSO4 + Ba(Cl)2 = NaCl + Ba(SO4)2 =>
2 NaSO4 + Ba(Cl)2 = 2 NaCl + Ba(SO4)2
CuO + Mg = MgO + Cu =>
CuO + Mg = MgO + Cu
Cl2 + KI = I2 + KCl =>
Cl2 + 2 KI = I2 + 2 KCl
HC{2}H{3}O{2} + CaOH = CaC{2}H{3}O{2} + HOH =>
HC{2}H{3}O{2} + CaOH = CaC{2}H{3}O{2} + HOH
Na2CO3 + H2O + CO2 = NaHCO3 =>
Na2CO3 + H2O + CO2 = 2 NaHCO3
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
H3PO2 + KOH = K3PO2 + H2O =>
H3PO2 + 3 KOH = K3PO2 + 3 H2O
C57H104O6 + C2H5OH = C20H38O2 + C3H8O3 =>
C57H104O6 + 3 C2H5OH = 3 C20H38O2 + C3H8O3
Fe3O4 + HNO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe3O4 + 74 HNO3 = 24 Fe(NO3)3 + NH4NO3 + 35 H2O
NH + Cl = HCl + N =>
NH + Cl = HCl + N
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cu(OH)2 + Fe2 = Fe(OH)3 + Cu =>
3 Cu(OH)2 + Fe2 = 2 Fe(OH)3 + 3 Cu
O2 + Sn(OH)4 = SnO + (OH)4 =>
O2 + 2 Sn(OH)4 = 2 SnO + 2(OH)4
Na2Cr2O7 + SnI2 + HI = CrI2 + SnI4 + NaI + H2O =>
Na2Cr2O7 + 4 SnI2 + 14 HI = 2 CrI2 + 4 SnI4 + 2 NaI + 7 H2O
PbSO4 + Na2S2O3 = PbS + Na2S2O7 =>
PbSO4 + Na2S2O3 = PbS + Na2S2O7
C4H7OOH + O2 = CO2 + H2O =>
C4H7OOH + 5 O2 = 4 CO2 + 4 H2O
Pb3(PO4)2 + H3O = H2O + H3PO4 + Pb =>
Pb3(PO4)2 + 6 H3O = 6 H2O + 2 H3PO4 + 3 Pb
KOH + Al2S3 = Al(OH)3 + K2S =>
6 KOH + Al2S3 = 2 Al(OH)3 + 3 K2S
Zn + H3PO4 = ZnPO4 + H3 =>
Zn + H3PO4 = ZnPO4 + H3
Mg(s) + NaOH(aq) = Na2MgO2(s) + H2(g) =>
Mg(s) + 2 NaOH(aq) = Na2MgO2(s) + H2(g)
NaNO3 + Pb0O = Pb(NO3)2 + Na2O =>
2 NaNO3 + Pb0O = Pb(NO3)2 + Na2O
BaCl2 + HCl = BaCl + Cl2H =>
BaCl2 + HCl = BaCl + Cl2H
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4) + K2SO4 + H2O =>
5 C2H5OH + 2 K2Cr2O7 + 4 H2SO4 = 5 CH3COOH + 2 Cr2(SO4) + 2 K2SO4 + 9 H2O
BaCl2 + K2Cr2O7 = BaCr2O7 + K2Cl2 =>
BaCl2 + K2Cr2O7 = BaCr2O7 + K2Cl2
MnO2 + NaCl + H2SO4 = MnSO4 + H2O + Cl2 + Na2SO4 =>
MnO2 + 2 NaCl + 2 H2SO4 = MnSO4 + 2 H2O + Cl2 + Na2SO4
Pd3P2 = Pd + P4 =>
2 Pd3P2 = 6 Pd + P4
NaHCO3 + CH3COOH = CO2(g) + H2O(l) + CH3CO2Na(aq) =>
NaHCO3 + CH3COOH = CO2(g) + H2O(l) + CH3CO2Na(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H4P2O7 + H2O2 = H3PO5 + H3PO4 =>
H4P2O7 + H2O2 = H3PO5 + H3PO4
(Ca(HCO3)2) = CaCO3 + H2O + CO2 =>
(Ca(HCO3)2) = CaCO3 + H2O + CO2
CrCl3 + NaOCl + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 NaOCl + 10 NaOH = 2 Na2CrO4 + 9 NaCl + 5 H2O
Cu(NO3)2*5H2O + C6H15NO3 = C6Cu3H12NO3 + H2 + NO3 + H2O =>
6 Cu(NO3)2*5H2O + 2 C6H15NO3 = 2 C6Cu3H12NO3 + 3 H2 + 12 NO3 + 30 H2O
H2S(g) + HFeO2(s) = Fe2S3(s) + H2O(l) =>
3 H2S(g) + 2 HFeO2(s) = Fe2S3(s) + 4 H2O(l)
C5H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C5H10(g) + 15 O2(g) = 10 CO2(g) + 10 H2O(g)
Zn(OH)2 + Na2(SO4) = ZnSO4 + NaOH =>
Zn(OH)2 + Na2(SO4) = ZnSO4 + 2 NaOH
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