| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe(OH)2 + 4 NO2 = Fe(NO3)2 + Fe(NO2)2 + 2 H2O
C3H8 + K2CrO7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
9 C3H8 + 20 K2CrO7 + 50 H2SO4 = 27 CO2 + 20 K2SO4 + 10 Cr2(SO4)3 + 86 H2O
C6H5COOH + NH3 = C6H7N + CO2 + H2O =>
14 C6H5COOH + 15 NH3 = 15 C6H7N + 8 CO2 + 12 H2O
C2H4 = C6H12 =>
3 C2H4 = C6H12
HCHO2 + H3O = H2CHO2 + H2O =>
HCHO2 + H3O = H2CHO2 + H2O
LiCl + Na2 + Co3 = LiCo3 + Na2Cl =>
LiCl + Na2 + Co3 = LiCo3 + Na2Cl
Sc(OH)3 + HBr = ScBr3 + H2O =>
Sc(OH)3 + 3 HBr = ScBr3 + 3 H2O
KMnO4 + C5H8O2 = C15H21MnO6 + KOH + H2O + CO2 =>
6 KMnO4 + 19 C5H8O2 = 6 C15H21MnO6 + 6 KOH + 10 H2O + 5 CO2
C2H5NO2 = CH4N2O + C2H4O2 =>
4 C2H5NO2 = 2 CH4N2O + 3 C2H4O2
Ca(OH)2 + NO2 = Ca(NO3)2 + H2 =>
Ca(OH)2 + 2 NO2 = Ca(NO3)2 + H2
KINaBr = NaIKBr =>
KINaBr = NaIKBr
Hg2(NO3)2 + NaOH = HgOH + NaNO3 =>
Hg2(NO3)2 + 2 NaOH = 2 HgOH + 2 NaNO3
K2Cr2O7 + H2O + SO2 = Cr2(SO4)3 + K2SO4 + H2 =>
K2Cr2O7 + H2O + 4 SO2 = Cr2(SO4)3 + K2SO4 + H2
AlI3 + Cl2 = AlCl + I2 =>
2 AlI3 + Cl2 = 2 AlCl + 3 I2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Mg(OH)2 + AgBr = Ag2O + H2O + MgBr2 =>
Mg(OH)2 + 2 AgBr = Ag2O + H2O + MgBr2
H2O2 + H2SO4 + KI = H2O + K2SO4 + I =>
H2O2 + H2SO4 + 2 KI = 2 H2O + K2SO4 + 2 I
Fe2O3 + H2 = Fe + HOH =>
Fe2O3 + 3 H2 = 2 Fe + 3 HOH
Ba(MnO4)2 + Al2(C2O4)3 = Al(MnO4)3 + BaC2O4 =>
3 Ba(MnO4)2 + Al2(C2O4)3 = 2 Al(MnO4)3 + 3 BaC2O4
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
K2CO3(aq) + FeCl3(aq) = Fe2(CO3)3 + KCl =>
3 K2CO3(aq) + 2 FeCl3(aq) = Fe2(CO3)3 + 6 KCl
Zn + H2S = H2 + ZnS =>
Zn + H2S = H2 + ZnS
HCOH + Ag2O = HCOOH + Ag2 =>
HCOH + Ag2O = HCOOH + Ag2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na2S + KCl = NaCl + K2S =>
Na2S + 2 KCl = 2 NaCl + K2S
SiCl4 + H2O(l) = H4SiO4 + HCl =>
SiCl4 + 4 H2O(l) = H4SiO4 + 4 HCl
HCl + Mg = MgHCl =>
HCl + Mg = MgHCl
KPdBi = PdBiK =>
KPdBi = PdBiK
Fe(NO3)2(aq) + Na2CO3(aq) = FeCO3 + NaNO3 =>
Fe(NO3)2(aq) + Na2CO3(aq) = FeCO3 + 2 NaNO3
LiBr + BaS = Li2S + BaBr2 =>
2 LiBr + BaS = Li2S + BaBr2
C5H10 + HNO3 = H2O + CO2 + N2 =>
C5H10 + 6 HNO3 = 8 H2O + 5 CO2 + 3 N2
CN{-} + Ag(s) + O2(g) + H2O = Ag(CN)2{-} + OH{-}(aq) =>
8 CN{-} + 4 Ag(s) + O2(g) + 2 H2O = 4 Ag(CN)2{-} + 4 OH{-}(aq)
MgO + KNO3 = Mg(NO3)2 + K2O =>
MgO + 2 KNO3 = Mg(NO3)2 + K2O
Sr(AsO4)2 + SiO2 + C = SrSiO3 + CO + As4 =>
2 Sr(AsO4)2 + 2 SiO2 + 14 C = 2 SrSiO3 + 14 CO + As4
K2ReO4 + H2O = KReO4 + ReO2 + KOH =>
3 K2ReO4 + 2 H2O = 2 KReO4 + ReO2 + 4 KOH
(d)Ca3P2 + H2O = Ca(OH)2 + PH3 =>
(d)Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
K2CO3 + HNO3 = CO2 + H2O + KNO3 =>
K2CO3 + 2 HNO3 = CO2 + H2O + 2 KNO3
AuCl3 + Au2S + H2O = H2SO4 + Au + HCl =>
2 AuCl3 + Au2S + 4 H2O = H2SO4 + 4 Au + 6 HCl
Al(OH)HBr = AlBrH(OH) =>
Al(OH)HBr = AlBrH(OH)
Cu{+2} + Ni = Cu + Ni{+2} =>
Cu{+2} + Ni = Cu + Ni{+2}
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
(NH4)2CO3(aq) + MgCl2(aq) = NH4Cl(aq) + MgCO3(s) =>
(NH4)2CO3(aq) + MgCl2(aq) = 2 NH4Cl(aq) + MgCO3(s)
AgClO3 + NaCl = AgCl + NaClO3 =>
AgClO3 + NaCl = AgCl + NaClO3
KAu(CN)2 + KOH = Au + KNC + O2 + H2O =>
4 KAu(CN)2 + 4 KOH = 4 Au + 8 KNC + O2 + 2 H2O
Cu + Ag{+} = Cu{2+} + Ag =>
Cu + 2 Ag{+} = Cu{2+} + 2 Ag
Ca3P2 + KMnO4 + H2SO4 = H3PO4 + K2SO4 + MnSO4 + CaSO4 + H2O =>
5 Ca3P2 + 16 KMnO4 + 39 H2SO4 = 10 H3PO4 + 8 K2SO4 + 16 MnSO4 + 15 CaSO4 + 24 H2O
NaNO2 + NH3 + HCl = N2 + H2O + NaCl =>
NaNO2 + NH3 + HCl = N2 + 2 H2O + NaCl
AlCl3 + Co = Al + CoCl2 =>
2 AlCl3 + 3 Co = 2 Al + 3 CoCl2
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
Mg + NO2 = Mg3NO2 =>
3 Mg + NO2 = Mg3NO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/07/24
Équations équilibrées sur05/07/23
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