| Équations équilibrées la veille |
KCrO4 + CaCl = KCl + CaCrO4
Na + NH3 = NaN2 + H2 =>
Na + 2 NH3 = NaN2 + 3 H2
Na2SO4 + NH4Cl = NH3 + H2SO4 + NaCl =>
Na2SO4 + 2 NH4Cl = 2 NH3 + H2SO4 + 2 NaCl
NaBr + HCl + NaBrO4 = H2O + NaCl + Br2 =>
7 NaBr + 8 HCl + NaBrO4 = 4 H2O + 8 NaCl + 4 Br2
C6H6 + O2 = CO2 + H2O2 =>
C6H6 + 9 O2 = 6 CO2 + 3 H2O2
KCrO2 + PbO2 + KOH = K2CrO4 + PbO + H2O =>
2 KCrO2 + 3 PbO2 + 2 KOH = 2 K2CrO4 + 3 PbO + H2O
Ag2O + NH3*H2O = Ag(NH3)2OH + H2O =>
Ag2O + 4 NH3*H2O = 2 Ag(NH3)2OH + 3 H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
CuS + HC = CuC2 + H2S =>
CuS + 2 HC = CuC2 + H2S
Mg(s) + H2O(l) = Mg(OH)2(s) + H2(g) =>
Mg(s) + 2 H2O(l) = Mg(OH)2(s) + H2(g)
Ca + NaOH = NaCaOH =>
Ca + NaOH = NaCaOH
Br2 + NH4I = I2 + NH4Br =>
Br2 + 2 NH4I = I2 + 2 NH4Br
KI + HCl = I2 + KCl + H2 =>
2 KI + 2 HCl = I2 + 2 KCl + H2
PCl3 + KMnO4 + H2O = MnCl2 + H3PO4 + KCl + HCl =>
5 PCl3 + 2 KMnO4 + 12 H2O = 2 MnCl2 + 5 H3PO4 + 2 KCl + 9 HCl
CuO + P2O4 = CuP2O5 =>
CuO + P2O4 = CuP2O5
MnO4{-} + H2SO3 + H = SO4{2-} + Mn{2+} + H2O =>
2 MnO4{-} + 3 H2SO3 + 4 H = 3 SO4{2-} + 2 Mn{2+} + 5 H2O
(b)N2(g) + O2(g) = NO(g) =>
(b)N2(g) + O2(g) = 2 NO(g)
Na + Fe3O4 = Na2O + Fe =>
8 Na + Fe3O4 = 4 Na2O + 3 Fe
Fe2S3 + Ca(OH)2 = Fe(OH)3 + CaS =>
Fe2S3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaS
KCl + H2S = K2S + HCl =>
2 KCl + H2S = K2S + 2 HCl
HCl(aq) + Na2SO3(s) = H2SO3(l) + NaCl(s) =>
2 HCl(aq) + Na2SO3(s) = H2SO3(l) + 2 NaCl(s)
Mg(SO4)2 + NaOH = Mg(OH)2 + Na(SO4) =>
Mg(SO4)2 + 2 NaOH = Mg(OH)2 + 2 Na(SO4)
SiC + Cr3Si = Cr7C3 + Si =>
9 SiC + 7 Cr3Si = 3 Cr7C3 + 16 Si
KNO3 + Na = K2O(s) + Na2O + N2 =>
2 KNO3 + 10 Na = K2O(s) + 5 Na2O + N2
HF(g) + NaAlO2(s) = Na3AlF6(s) + H2O(l) + Al2O3(s) =>
6 HF(g) + 3 NaAlO2(s) = Na3AlF6(s) + 3 H2O(l) + Al2O3(s)
C16H28 + O2 = H2O + C2O =>
C16H28 + 11 O2 = 14 H2O + 8 C2O
Fe(s) + Cl2(s) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(s) = 2 FeCl3(s)
H2 + La(OH)3 = La + H2O =>
3 H2 + 2 La(OH)3 = 2 La + 6 H2O
H2SO4 + Mg = Mg2SO4 + H2 =>
H2SO4 + 2 Mg = Mg2SO4 + H2
FeCr2O4 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
HCOH + CUO = HCOOH + CU =>
HCOH + CUO = HCOOH + CU
Ar + H2 = ArH2 =>
Ar + H2 = ArH2
F2 + KCl = Cl2 + KF =>
F2 + 2 KCl = Cl2 + 2 KF
H2O + NaCl = Na(OH) + Cl2 + H2 =>
2 H2O + 2 NaCl = 2 Na(OH) + Cl2 + H2
(COOHH2O)2 + NaOH = (COONa)2 + H2O =>
(COOHH2O)2 + 2 NaOH = (COONa)2 + 4 H2O
(NH4)2[PtCl6] + K2C2O4 = K2[PtCl4] + NH4Cl + CO2 =>
(NH4)2[PtCl6] + K2C2O4 = K2[PtCl4] + 2 NH4Cl + 2 CO2
Cl + LBr = ClBr + L =>
Cl + LBr = ClBr + L
NaOH + FeSO3 = Na2SO3 + Fe(OH)2 =>
2 NaOH + FeSO3 = Na2SO3 + Fe(OH)2
Fe(OH)3 + CaO = Ca(FeO2)2 + H2O =>
2 Fe(OH)3 + CaO = Ca(FeO2)2 + 3 H2O
HNO3 + K2S = KNO3 + H2S =>
2 HNO3 + K2S = 2 KNO3 + H2S
Al2(SO4)3AlCl3 = AlClSO4 =>
Al2(SO4)3AlCl3 = 3 AlClSO4
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
C7H15OH + HBr = C3H7Br + H2O =>
3 C7H15OH + 7 HBr = 7 C3H7Br + 3 H2O
CH3COH + Ag2O = CH3COOH + Ag =>
CH3COH + Ag2O = CH3COOH + 2 Ag
H3PO4 + FeCl3 = FePO4 + H3Cl3 =>
H3PO4 + FeCl3 = FePO4 + H3Cl3
CO2CaCO3H2O = Ca(HCO3)2 =>
CO2CaCO3H2O = Ca(HCO3)2
Ca + Na2C2O4 = Ca(C2O4)2 + Na =>
Ca + 2 Na2C2O4 = Ca(C2O4)2 + 4 Na
NaS2O3 + H2SO4 = NaSO4 + H2O + S2O2 =>
NaS2O3 + H2SO4 = NaSO4 + H2O + S2O2
ZnSO4 + NH3*H2O = [Zn(NH3)4]SO4 + H2O =>
ZnSO4 + 4 NH3*H2O = [Zn(NH3)4]SO4 + 4 H2O
[Co(H2O)6]{2+} + (SCN){-} = [Co(SCN)4]{2-} + H2O =>
[Co(H2O)6]{2+} + 4(SCN){-} = [Co(SCN)4]{2-} + 6 H2O
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| Équations équilibrées la veille |
Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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