| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaO + 4 Cl = 2 CaCl2 + O2
Nb2O5 + MgH2 = MgO + NbO + H2O =>
2 Nb2O5 + 3 MgH2 = 3 MgO + 4 NbO + 3 H2O
CH3COOBr + NH3 = NH2CH2COOH + NH4Br =>
CH3COOBr + 2 NH3 = NH2CH2COOH + NH4Br
AlH2 + SO4(OH)3 = Al(OH)3 + H2SO4 =>
AlH2 + SO4(OH)3 = Al(OH)3 + H2SO4
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2 =>
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2
HCONH2 + H2SO4 + H2O = HCOOH + (NH4)2SO4 =>
2 HCONH2 + H2SO4 + 2 H2O = 2 HCOOH + (NH4)2SO4
NaOH + Se = Na2Se + Na2SeO3 + H2O =>
6 NaOH + 3 Se = 2 Na2Se + Na2SeO3 + 3 H2O
Cr2O3 + Ca = CaO + Cr =>
Cr2O3 + 3 Ca = 3 CaO + 2 Cr
CuSO4(aq) + NH3(aq) + H2O(l) = Cu(OH)2(s) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH3(aq) + 2 H2O(l) = Cu(OH)2(s) + (NH4)2SO4(aq)
H2SO4(aq) + MgCO3(s) = MgSO4(aq) + H2O(l) + CO2(g) =>
H2SO4(aq) + MgCO3(s) = MgSO4(aq) + H2O(l) + CO2(g)
C4H8(OH)2(l) + O2(g) = CO2(g) + H2O(l) =>
2 C4H8(OH)2(l) + 11 O2(g) = 8 CO2(g) + 10 H2O(l)
Nb2O5 + MgH2 = MgO + NbO + H2O =>
2 Nb2O5 + 3 MgH2 = 3 MgO + 4 NbO + 3 H2O
CO2 + H2CH3OH = CH3OCH3 + H2O =>
CO2 + 3 H2CH3OH = 2 CH3OCH3 + 3 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Cu(NO3)2 + AgNO3 = CuNO3 + Ag(NO3)2 =>
Cu(NO3)2 + AgNO3 = CuNO3 + Ag(NO3)2
FeCl2(ac) + Na3PO4(ac) = Fe3(PO4)2(s) + NaCl(ac) =>
3 FeCl2(ac) + 2 Na3PO4(ac) = Fe3(PO4)2(s) + 6 NaCl(ac)
CuSO4 + NH3 = (Cu(NH3)4) + SO4 =>
CuSO4 + 4 NH3 = (Cu(NH3)4) + SO4
H3PO3 + CO(OH)3 = CO(PO3) + H2O =>
H3PO3 + CO(OH)3 = CO(PO3) + 3 H2O
C2H5Cl + KCN = C2H5CN + KCl =>
C2H5Cl + KCN = C2H5CN + KCl
K + CI2 = KCI2 =>
K + CI2 = KCI2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Na(O2) + H2O = Na(OH) + O2 =>
4 Na(O2) + 2 H2O = 4 Na(OH) + 3 O2
KMnO4 + K2[Cu(C2O4)2]2(H20) = Mn + CO2 + H2O + K + Cu =>
5 KMnO4 + 2 K2[Cu(C2O4)2]2(H20) = 5 Mn + 16 CO2 + 20 H2O + 9 K + 4 Cu
As203 + HNO3 + H2O = H3AsO4 + N2O3 =>
4 As203 + 2030 HNO3 + 203 H2O = 812 H3AsO4 + 1015 N2O3
Ag + SCN = AgSCN =>
Ag + SCN = AgSCN
KI + Pd(No3)2 = K(No)3 + PdI2 =>
2 KI + Pd(No3)2 = 2 K(No)3 + PdI2
I2 + O2 = I4O2 =>
2 I2 + O2 = I4O2
Na2CO3*10H2O + CaCl2*2H2O = NaCl + CaCO3 + H2O =>
Na2CO3*10H2O + CaCl2*2H2O = 2 NaCl + CaCO3 + 12 H2O
Na3[Cr(OH)6] + H2SO4 = Cr2(SO4)3 + NaOH + H2O =>
2 Na3[Cr(OH)6] + 3 H2SO4 = Cr2(SO4)3 + 6 NaOH + 6 H2O
ZnO + HCIO3 = ZnCIO3 + OH =>
ZnO + HCIO3 = ZnCIO3 + OH
SO2 + NH3 + H2O + O2 = (NH4)2SO4 =>
2 SO2 + 4 NH3 + 2 H2O + O2 = 2(NH4)2SO4
H2S + K2 = H2 + K2S =>
H2S + K2 = H2 + K2S
Al2O3 + CuO = Cu(AlO2)2 =>
Al2O3 + CuO = Cu(AlO2)2
Ca(ClO)2 + NaI + HCl = CaCl2 + I2 + NaCl + H2O =>
Ca(ClO)2 + 4 NaI + 4 HCl = CaCl2 + 2 I2 + 4 NaCl + 2 H2O
C + HNO3 = H3CO4 + NO2 + H2O =>
C + 5 HNO3 = H3CO4 + 5 NO2 + H2O
Te + H2O = TeO + H2 =>
Te + H2O = TeO + H2
Na3N + H2SO4 = H2 + N2 + Na2SO4 =>
2 Na3N + 3 H2SO4 = 3 H2 + N2 + 3 Na2SO4
HBrO + NaOH = H2ONaBrO =>
HBrO + NaOH = H2ONaBrO
Co(NO3)3 + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3 + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
CoO + H2O = Co + (OH)2 =>
CoO + H2O = Co + (OH)2
(NH4)2CO3 + Ca(NO3)2 = NH4NO3 + Ca2(CO3)2 =>
2(NH4)2CO3 + 2 Ca(NO3)2 = 4 NH4NO3 + Ca2(CO3)2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)3(s) + Cd(s) =>
2 Fe(s) + 3 Cd(NO3)2(aq) = 2 Fe(NO3)3(s) + 3 Cd(s)
Cd + Br = CdBr2 =>
Cd + 2 Br = CdBr2
SrO + Al2O3 = SrAl2O4 =>
SrO + Al2O3 = SrAl2O4
C3H7NO2 + Fe + HCl = C3H7NH2 + FeCl2 + H2O =>
C3H7NO2 + 3 Fe + 6 HCl = C3H7NH2 + 3 FeCl2 + 2 H2O
Br2 + CrBr3 + H2O = H2Cr2O7 + HBr =>
3 Br2 + 2 CrBr3 + 7 H2O = H2Cr2O7 + 12 HBr
Co{2+} + Fe{3+} = Co{3+} + Fe{2+} =>
Co{2+} + Fe{3+} = Co{3+} + Fe{2+}
RbOH + SO2 = RbO2 + SOH =>
RbOH + SO2 = RbO2 + SOH
C17H33COOH + Na = C17H33COONa + H2 =>
2 C17H33COOH + 2 Na = 2 C17H33COONa + H2
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Équations équilibrées sur11/20/24
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