| Équations équilibrées la veille | Équations équilibrées le lendemain |
CoI3 + Pb(NO3)2 = Co(NO3)2 + PbI3
KBr + HClO = KClO + HBr =>
KBr + HClO = KClO + HBr
FeS + O2 + H2O = Fe2O3 + H2(SO4) =>
4 FeS + 9 O2 + 4 H2O = 2 Fe2O3 + 4 H2(SO4)
Co(NO3)2 + CrK2O4 = K2O4(NO3)2 + CoCr =>
Co(NO3)2 + CrK2O4 = K2O4(NO3)2 + CoCr
CaCO3 + HCl = CaCl2 + H2CO3 = H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Al(OH)3 + NH3 = Al(NH3)6 + OH =>
Al(OH)3 + 6 NH3 = Al(NH3)6 + 3 OH
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
P4O10 + H2O(l) = H3PO4 =>
P4O10 + 6 H2O(l) = 4 H3PO4
KMnO4 + SO2 + H2O = KHSO4 + H2SO4 + MnSO4 =>
2 KMnO4 + 5 SO2 + 2 H2O = 2 KHSO4 + H2SO4 + 2 MnSO4
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Cr(NH3)6(OH)2 + H2O2 = Cr(NH3)6(OH)3 =>
2 Cr(NH3)6(OH)2 + H2O2 = 2 Cr(NH3)6(OH)3
KMnO4 + CH3HOCH2COCH3 = Mn(CH3HOCHCOCH3)3 + CO2 + H2O + KOH =>
21 KMnO4 + 67 CH3HOCH2COCH3 = 21 Mn(CH3HOCHCOCH3)3 + 16 CO2 + 39 H2O + 21 KOH
FeCl3 + KI = FeI2 + Cl3K2 =>
FeCl3 + 2 KI = FeI2 + Cl3K2
CaO + P2O5 + O2 = PO4Ca =>
4 CaO + 2 P2O5 + O2 = 4 PO4Ca
Hg2(NO3)2 + HNO3 = Hg(NO3)2 + H2 =>
Hg2(NO3)2 + 2 HNO3 = 2 Hg(NO3)2 + H2
HCl(aq) + Ba(OH)2(aq) = H2O(l) + BaCl2 =>
2 HCl(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaCl2
HNO3 + HBr = HBrO3 + NO2 + H2O =>
6 HNO3 + HBr = HBrO3 + 6 NO2 + 3 H2O
B2O3 + HF = BF3 + H2O =>
B2O3 + 6 HF = 2 BF3 + 3 H2O
Mn2S3 + O2 = Mn2O3 + S =>
2 Mn2S3 + 3 O2 = 2 Mn2O3 + 6 S
CH3CH(CH3)CH2CH2BrNaOH = CH3CH(CH3)CH2CH2OHNaBr =>
CH3CH(CH3)CH2CH2BrNaOH = CH3CH(CH3)CH2CH2OHNaBr
Zn + Au(NO3)2 = Au + Zn(NO3)2 =>
Zn + Au(NO3)2 = Au + Zn(NO3)2
NaBr(s) + Cl2 = NaCl2 + Br2 =>
2 NaBr(s) + 2 Cl2 = 2 NaCl2 + Br2
ClO3{-} + As2S3 + OH{-} = AsO4{3-} + SO4{2-} + Cl{-} + H2O =>
14 ClO3{-} + 3 As2S3 + 36 OH{-} = 6 AsO4{3-} + 9 SO4{2-} + 14 Cl{-} + 18 H2O
H2S2O3 + Cu(OH)2 = CuS2O3 + H2O =>
H2S2O3 + Cu(OH)2 = CuS2O3 + 2 H2O
ClO2 + HCl = Cl2 + H2O =>
2 ClO2 + 8 HCl = 5 Cl2 + 4 H2O
Cr2O7{-2} + CH3OH + H{+} = Cr{+3} + HCOOH + H2O =>
2 Cr2O7{-2} + 3 CH3OH + 16 H{+} = 4 Cr{+3} + 3 HCOOH + 11 H2O
S2O3{2-} + O2 + H{+} = S4O6 + H2O =>
2 S2O3{2-} + O2 + 4 H{+} = S4O6 + 2 H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
CH3COOH + Cl2 = CH3COOCl + HCl =>
CH3COOH + Cl2 = CH3COOCl + HCl
CH3COOH + Cl2 = CH2ClCOOH + HCl =>
CH3COOH + Cl2 = CH2ClCOOH + HCl
Al(OH)3 + HAsO2 = Al(AsO2)3 + H2O =>
Al(OH)3 + 3 HAsO2 = Al(AsO2)3 + 3 H2O
Ba(NO3)2 + HCl = BaCl2 + NO3H =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 NO3H
SiH10 + O2 = SiO2 + H2O =>
2 SiH10 + 7 O2 = 2 SiO2 + 10 H2O
SnCl2 + K2Cr2O7 + H2SO4 = SnSO4 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + K2Cr2O7 + 7 H2SO4 = 3 SnSO4 + 3 SnCl4 + Cr2(SO4)3 + K2SO4 + 7 H2O
Na2CO3 + KHCO3 = K2CO3 + NaHCO3 =>
Na2CO3 + 2 KHCO3 = K2CO3 + 2 NaHCO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
U(SO4)2 + O2 + H2O = UO2SO4 + H2SO4 =>
2 U(SO4)2 + O2 + 2 H2O = 2 UO2SO4 + 2 H2SO4
MgSO4 + BaNO3 = BaSO4 + Mg + NO3 =>
MgSO4 + BaNO3 = BaSO4 + Mg + NO3
Ca(OH)2 + NH4NO3 = CaNO3 + NH4(OH)2 =>
Ca(OH)2 + NH4NO3 = CaNO3 + NH4(OH)2
Zn(OH)2 + Ba = Ba(OH)2 + Zn =>
Zn(OH)2 + Ba = Ba(OH)2 + Zn
PbO2 + KI + H2O = PbI2 + KOH + I2 =>
PbO2 + 4 KI + 2 H2O = PbI2 + 4 KOH + I2
MgO + H3O = Mg(OH)2 + H2 =>
2 MgO + 2 H3O = 2 Mg(OH)2 + H2
OH{-} + ClO{-} + S2O3{2-} = SO4{2-} + Cl{-} + H2{+} =>
4 OH{-} + 11 ClO{-} + 3 S2O3{2-} = 6 SO4{2-} + 11 Cl{-} + 2 H2{+}
C3H6 + H2O2 = CO2 + H2O =>
C3H6 + 9 H2O2 = 3 CO2 + 12 H2O
Zn(OH)2 + Ba = Ba(OH)2 + Zn =>
Zn(OH)2 + Ba = Ba(OH)2 + Zn
PbO2 + KI + H2O = PbI2 + KOH + I2 =>
PbO2 + 4 KI + 2 H2O = PbI2 + 4 KOH + I2
SN(OH)4 = SNO2 + H2O =>
SN(OH)4 = SNO2 + 2 H2O
(NH4)2SO3 + NaBr = NH4Br + Na2SO3 =>
(NH4)2SO3 + 2 NaBr = 2 NH4Br + Na2SO3
H4S + O2 = SO2 + H2O =>
H4S + 2 O2 = SO2 + 2 H2O
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
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Équations équilibrées sur04/30/24
Équations équilibrées sur05/30/23
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