| Équations équilibrées la veille |
2 H2SeO4 = 2 SeO2 + O2 + 2 H2O
C2H4(OH)2 + HgCl2 = HCl + C2H4(O2Hg) =>
C2H4(OH)2 + HgCl2 = 2 HCl + C2H4(O2Hg)
HNO3 + AgNO3 = HNO3AgNO3 =>
HNO3 + AgNO3 = HNO3AgNO3
SO2 + (NH4)2SO4 = H2S + N2H4 + O2 =>
SO2 + (NH4)2SO4 = 2 H2S + N2H4 + 3 O2
Ag + K2CrO4 = AgK2CrO4 =>
Ag + K2CrO4 = AgK2CrO4
NaI(aq) + CaCl2(aq) = NaCl + CaI2 =>
2 NaI(aq) + CaCl2(aq) = 2 NaCl + CaI2
C3H6O + K2Cr2O7 + H2SO4 = C3H6O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H6O + K2Cr2O7 + 4 H2SO4 = 3 C3H6O2 + Cr2(SO4)3 + K2SO4 + 4 H2O
C8H9Cl + KMnO4 + H2SO4 = C7H5O2Cl + CO2 + K2SO4 + MnSO4 + H2O =>
5 C8H9Cl + 12 KMnO4 + 18 H2SO4 = 5 C7H5O2Cl + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
Mg(NO3)2(aq) + Na(s) = Mg + Na(NO3)2 =>
Mg(NO3)2(aq) + Na(s) = Mg + Na(NO3)2
Cu(s) + Cl2(g) = CuCl2(aq) =>
Cu(s) + Cl2(g) = CuCl2(aq)
Cu(SO4) + KI = CuI + I2 + K2(SO4) =>
2 Cu(SO4) + 4 KI = 2 CuI + I2 + 2 K2(SO4)
C2H4(OH)2 + HgCl2 = HCl + C2H4(O2Hg) =>
C2H4(OH)2 + HgCl2 = 2 HCl + C2H4(O2Hg)
BaCl2(aq) + Na2(SO4)(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2(SO4)(aq) = BaSO4(s) + 2 NaCl(aq)
Na2Cr2O7 + H2SO4 + CH3OH = Cr2(SO4)3 + Na2SO4 + CH2O2 + H2O =>
2 Na2Cr2O7 + 8 H2SO4 + 3 CH3OH = 2 Cr2(SO4)3 + 2 Na2SO4 + 3 CH2O2 + 11 H2O
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + NH4NO3(aq) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + NH4NO3(aq) + 3 H2O(l)
AgNO3(aq) + NaI(aq) = AgI(s) + NaNO3(aq) =>
AgNO3(aq) + NaI(aq) = AgI(s) + NaNO3(aq)
MeNO3 = MeNO2 + O2 =>
2 MeNO3 = 2 MeNO2 + O2
C6H12O6 + AgNO3 = AgNH + OH + CO2 =>
2 C6H12O6 + 9 AgNO3 = 9 AgNH + 15 OH + 12 CO2
Sb + H2S = Sb2S3 + H =>
2 Sb + 3 H2S = Sb2S3 + 6 H
SiH4 + HCl = SiCl4 + H2 =>
SiH4 + 4 HCl = SiCl4 + 4 H2
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3 =>
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3
Cl{-} + AgNO3 = AgCl + NO3{-} =>
Cl{-} + AgNO3 = AgCl + NO3{-}
FeBr2 + KMnO4 + H2SO4 = Fe2(SO4)3 + FeBr3 + MnSO4 + KBr + H2O =>
5 FeBr2 + KMnO4 + 4 H2SO4 = Fe2(SO4)3 + 3 FeBr3 + MnSO4 + KBr + 4 H2O
CI + NaI = NaCI + I =>
CI + NaI = NaCI + I
Cd + AgNO3 = CdNO3 + Ag =>
Cd + AgNO3 = CdNO3 + Ag
KMnO4 + NaOH + NaHSO3 = K2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + 3 NaOH + NaHSO3 = K2SO4 + 2 Na2MnO4 + 2 H2O
H3PO4 + HBr = HBrO3 + H3PO3 =>
3 H3PO4 + HBr = HBrO3 + 3 H3PO3
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
CrO3 + NaOH = Na2CrO4 + H2O =>
CrO3 + 2 NaOH = Na2CrO4 + H2O
KCN + MnO2 + HCl = KCl + MnCl2 + CO2 + NO2 + H2O =>
2 KCN + 9 MnO2 + 20 HCl = 2 KCl + 9 MnCl2 + 2 CO2 + 2 NO2 + 10 H2O
CuO2 + HCl = CuCl2 + H2O + O2 =>
2 CuO2 + 4 HCl = 2 CuCl2 + 2 H2O + O2
NO2{-} + Al + OH{-} + H2O = Al(OH)4{-} + NH3 =>
NO2{-} + 2 Al + OH{-} + 5 H2O = 2 Al(OH)4{-} + NH3
C10H18O + O2 = CO2 + H2O =>
C10H18O + 14 O2 = 10 CO2 + 9 H2O
ICl + H2O = HCl + I2 + O2 =>
4 ICl + 2 H2O = 4 HCl + 2 I2 + O2
C6H6 + CH3Cl = C6H5CH3 + HCl =>
C6H6 + CH3Cl = C6H5CH3 + HCl
HOOCCOOH + NaOH = NaOOCCOOH + H2O =>
HOOCCOOH + NaOH = NaOOCCOOH + H2O
KNO2 + HNO3 = KNO3 + NO + H2O =>
3 KNO2 + 2 HNO3 = 3 KNO3 + 2 NO + H2O
Mg(No3)2 + K2Co3 = MgCo3 + KNo3 =>
Mg(No3)2 + K2Co3 = MgCo3 + 2 KNo3
Zn + HNO3 = H2 + ZnNO3 =>
2 Zn + 2 HNO3 = H2 + 2 ZnNO3
Ca3(PO4)2 + LiCl = Li3PO4 + CaCl2 =>
Ca3(PO4)2 + 6 LiCl = 2 Li3PO4 + 3 CaCl2
(NH4)2SO4 + BaF2 = (NH4)2F2 + BaSO4 =>
(NH4)2SO4 + BaF2 = (NH4)2F2 + BaSO4
K2CrO4 + H2S = Cr(OH)3 + S + KHS + H2O =>
2 K2CrO4 + 7 H2S = 2 Cr(OH)3 + 3 S + 4 KHS + 2 H2O
C6H5COOH + CH3OH = C6H5CO2CH3 + H2O =>
C6H5COOH + CH3OH = C6H5CO2CH3 + H2O
Na(NO3) + H2(SO4) = Na(SO4) + H2(NO3) =>
Na(NO3) + H2(SO4) = Na(SO4) + H2(NO3)
H2SO4 + Cl2 = HOCl + SO2 =>
H2SO4 + Cl2 = 2 HOCl + SO2
K3[Al(OH)6] = Al(OH)3 + KOH =>
K3[Al(OH)6] = Al(OH)3 + 3 KOH
K2SO4 + PbO = PbSO4 + K2O =>
K2SO4 + PbO = PbSO4 + K2O
PCl3 = P4 + PCl5 =>
10 PCl3 = P4 + 6 PCl5
Sn3(PO4)4 + (NH4)2Cr2O7 = (NH4)3PO4 + Sn2(Cr2O7)4 =>
2 Sn3(PO4)4 + 12(NH4)2Cr2O7 = 8(NH4)3PO4 + 3 Sn2(Cr2O7)4
Na + Fe(OH)3 = Na(OH) + Fe =>
3 Na + Fe(OH)3 = 3 Na(OH) + Fe
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Équations équilibrées sur10/23/24
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