| Équations équilibrées la veille | Équations équilibrées le lendemain |
CuCO3 + 2 HCl = CO2 + CuCl2 + H2O
Mg(CN)2 = Mg + CN =>
Mg(CN)2 = Mg + 2 CN
Al + AgNO2 = Al(NO2)3 + Ag =>
Al + 3 AgNO2 = Al(NO2)3 + 3 Ag
CH3COOH + HOCH2CH2CH2CH3 = CH3COOCH2CH2OH + H2O =>
6 CH3COOH + HOCH2CH2CH2CH3 = 4 CH3COOCH2CH2OH + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
NiBr2 = Ni + Br =>
NiBr2 = Ni + 2 Br
C2H4 + CH4 = C3H8 =>
C2H4 + CH4 = C3H8
MgS + HNO3 = MgSO4 + NO + H2O =>
3 MgS + 8 HNO3 = 3 MgSO4 + 8 NO + 4 H2O
H2SO4 + Mg(C3H2O3)2 = MgSO4 + H(C3H2O3) =>
H2SO4 + Mg(C3H2O3)2 = MgSO4 + 2 H(C3H2O3)
C + OH = C2OH =>
2 C + OH = C2OH
KMnO4 + HBr = MnBr3 + KBr + H3O + Br2 =>
KMnO4 + 12 HBr = MnBr3 + KBr + 4 H3O + 4 Br2
NaOH + C7H10NCl = C7H9N + H2O + NaCl =>
NaOH + C7H10NCl = C7H9N + H2O + NaCl
Na2S2O5 + Br2 + H2O = HBr + Na2SO4 + H2SO4 =>
Na2S2O5 + 2 Br2 + 3 H2O = 4 HBr + Na2SO4 + H2SO4
C9H8O4 + C2H6O = C13H20O4 + H2O =>
7 C9H8O4 + 27 C2H6O = 9 C13H20O4 + 19 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
KSCN + K2Cr2O7 + HCl = CrCl3 + SO2 + CO2 + NO + KCl + H2O =>
6 KSCN + 11 K2Cr2O7 + 94 HCl = 22 CrCl3 + 6 SO2 + 6 CO2 + 6 NO + 28 KCl + 47 H2O
FeCl3 + NH4OH = [Fe(NH3)6]Cl3 + H2O =>
FeCl3 + 6 NH4OH = [Fe(NH3)6]Cl3 + 6 H2O
Sn2{+}Cl(aq) + Zn(s) = Sn + Zn2{+} =>
Sn2{+}Cl(aq) + 2 Zn(s) = 2 Sn + Zn2{+}
C2H4 + NO = CO2 + H2O + N2 =>
C2H4 + 6 NO = 2 CO2 + 2 H2O + 3 N2
Cu(NO3)2 + NaOH = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2(s) + 2 NaNO3(aq)
BaI2(aq) + K2SO4(aq) = BaSO4 + KI =>
BaI2(aq) + K2SO4(aq) = BaSO4 + 2 KI
LiH + H2O = LiOH(H2) =>
LiH + H2O = LiOH(H2)
C3H6 + H2SO4 = C3H8SO4 =>
C3H6 + H2SO4 = C3H8SO4
UO2(CO3)3 + H2SO4 = UO2SO4 + H2O + CO2 + O2 =>
UO2(CO3)3 + H2SO4 = UO2SO4 + H2O + 3 CO2 + O2
BaNO3 + K3PO4 = Ba3PO4 + KNO3 =>
3 BaNO3 + K3PO4 = Ba3PO4 + 3 KNO3
NaOH + H2O2 + SO2 = H2O + Na2SO4 =>
2 NaOH + H2O2 + SO2 = 2 H2O + Na2SO4
Sn(C2H3O2) = Sn + C2H3O2 =>
Sn(C2H3O2) = Sn + C2H3O2
HNO3 + Al(OH)3 = H3O + NO3 + Al =>
6 HNO3 + Al(OH)3 = 3 H3O + 6 NO3 + Al
C10H7OH + NaOH = H2O + Na + C10H7O =>
C10H7OH + NaOH = H2O + Na + C10H7O
C9H7O4Na + HCl = C9H8O4 + NaCl =>
C9H7O4Na + HCl = C9H8O4 + NaCl
Na2S + Cu2(SO4)2 = Na2SO4 + CuS =>
2 Na2S + Cu2(SO4)2 = 2 Na2SO4 + 2 CuS
C7H15Cl + O2 = CO2 + H2O + HCl =>
2 C7H15Cl + 21 O2 = 14 CO2 + 14 H2O + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K4[Fe(CN)6] + H3PO4 = HCN + K3PO4 + Fe3(PO4)2 =>
3 K4[Fe(CN)6] + 6 H3PO4 = 18 HCN + 4 K3PO4 + Fe3(PO4)2
CH3OH + Cr2O7{2-} + H{+} = CH2O + Cr{3+} + H2O =>
3 CH3OH + Cr2O7{2-} + 8 H{+} = 3 CH2O + 2 Cr{3+} + 7 H2O
Al(OH)3(s) + NaOH(aq) = NaAl(OH)4(aq) =>
Al(OH)3(s) + NaOH(aq) = NaAl(OH)4(aq)
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C6H5NH3ClH2O = H3OC6H5NH2Cl =>
C6H5NH3ClH2O = H3OC6H5NH2Cl
H2SO4 + Ni = H2 + NiSO4 =>
H2SO4 + Ni = H2 + NiSO4
AgNO3 + NH4Cl = NH4NO3 + AgCl =>
AgNO3 + NH4Cl = NH4NO3 + AgCl
Cl + KBr = KCl + Br = H<sub = </sub = O =>
Cl + KBr = KCl + Br
KNO3 + H2SO4 + Cu = K2SO4 + CuSO4 + NO2 + H2O =>
2 KNO3 + 2 H2SO4 + Cu = K2SO4 + CuSO4 + 2 NO2 + 2 H2O
KClO3(aq) + C4H9O6N = KC4H5O6 + NH4ClO3(aq) =>
KClO3(aq) + C4H9O6N = KC4H5O6 + NH4ClO3(aq)
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Cr2O3 + CO = Cr4C + O2 =>
4 Cr2O3 + 2 CO = 2 Cr4C + 7 O2
FeSO4 + NaClO = Fe2O3 + NaCl + SO4 =>
2 FeSO4 + 3 NaClO = Fe2O3 + 3 NaCl + 2 SO4
CUO + H2SO4 = CUSO4 + H2O =>
CUO + H2SO4 = CUSO4 + H2O
CoS + H2O2 + H{+} = Co2{+} + S + H2O =>
4 CoS + H2O2 + 2 H{+} = 2 Co2{+} + 4 S + 2 H2O
NaHSO4 + K2CO3 = Na2CO3 + KHSO4 =>
2 NaHSO4 + K2CO3 = Na2CO3 + 2 KHSO4
HY + HNO3 = HYO3 + NO2 + H2O =>
HY + 6 HNO3 = HYO3 + 6 NO2 + 3 H2O
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Équations équilibrées sur12/13/24
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