| Équations équilibrées la veille |
2 KAu(CN)2 + Zn = K2Zn(CN)4 + 2 Au
Cr2O3 + CO2 = Cr2(CO3)3 =>
Cr2O3 + 3 CO2 = Cr2(CO3)3
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Fe2 + HCl = FeCl2 + H =>
Fe2 + 4 HCl = 2 FeCl2 + 4 H
C6H5CHO + Cr2O7{-2} + H{+} = C6H5COOH + Cr{+3} + H2O =>
3 C6H5CHO + Cr2O7{-2} + 8 H{+} = 3 C6H5COOH + 2 Cr{+3} + 4 H2O
ZnCl2(aq) + K3PO4(aq) = KCl(aq) + Zn3(PO4)2(s) =>
3 ZnCl2(aq) + 2 K3PO4(aq) = 6 KCl(aq) + Zn3(PO4)2(s)
KNO3 + Na2CO3 = K2CO3 + NaNO3 =>
2 KNO3 + Na2CO3 = K2CO3 + 2 NaNO3
(NH4)2SO4 + Ca(OH)2 = H2O + Ca(SO4) + NH3 =>
(NH4)2SO4 + Ca(OH)2 = 2 H2O + Ca(SO4) + 2 NH3
Al2(SO4)3 + Na(HCO3) = Al(OH)3 + Na2SO4 + CO2 =>
Al2(SO4)3 + 6 Na(HCO3) = 2 Al(OH)3 + 3 Na2SO4 + 6 CO2
Al(OH)3(s) + NaOH(ac) = NaAlO2(ac) + H2O(l) =>
Al(OH)3(s) + NaOH(ac) = NaAlO2(ac) + 2 H2O(l)
NH4OH + H2C2O4 = (NH4)2C2O4 + H2O =>
2 NH4OH + H2C2O4 = (NH4)2C2O4 + 2 H2O
FeSO4 = Fe{+} + SO4{-} =>
FeSO4 = Fe{+} + SO4{-}
HCl + Na2(SO4) = NaCl + H2(SO4) =>
2 HCl + Na2(SO4) = 2 NaCl + H2(SO4)
PCl3(g) + Cl2(g) = PCl5(s) =>
PCl3(g) + Cl2(g) = PCl5(s)
Cl2 + CsBr = CsCl + Br2 =>
Cl2 + 2 CsBr = 2 CsCl + Br2
Hg + AgNO3 = Hg2(NO3)2 + Ag =>
2 Hg + 2 AgNO3 = Hg2(NO3)2 + 2 Ag
[Co(NH3)5(NO2)]Cl2 + KBr = [Co(NH3)5(NO2)]Br2 + KCl =>
[Co(NH3)5(NO2)]Cl2 + 2 KBr = [Co(NH3)5(NO2)]Br2 + 2 KCl
K2HPO4 + KH2PO4 = K3H3P2O8 =>
K2HPO4 + KH2PO4 = K3H3P2O8
CU(s) + O2(g) = CUO(s) =>
2 CU(s) + O2(g) = 2 CUO(s)
Al(s) + CuSO4(aq) = Al2(SO4)3(aq) + Cu(s) =>
2 Al(s) + 3 CuSO4(aq) = Al2(SO4)3(aq) + 3 Cu(s)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H2SO3 + NaBrO3 = H2SO4 + NaHSO4 + Br2 + H2O =>
5 H2SO3 + 2 NaBrO3 = 3 H2SO4 + 2 NaHSO4 + Br2 + H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
K2MnF6 + SbF5 = KSbF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SbF5 = 4 KSbF6 + 2 MnF3 + F2
Ca + HF = CaF2 + H2 =>
Ca + 2 HF = CaF2 + H2
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
HCl + H2O2 = Cl2 + H2O =>
2 HCl + H2O2 = Cl2 + 2 H2O
CaCO3 + H = Ca + H2CO3 =>
CaCO3 + 2 H = Ca + H2CO3
NH + NO = N2 + H2O =>
4 NH + 2 NO = 3 N2 + 2 H2O
Mn{2+} + ClO3{-} + H2O = MnO2 + Cl{-} + H{+} =>
3 Mn{2+} + ClO3{-} + 3 H2O = 3 MnO2 + Cl{-} + 6 H{+}
HCOOH + Cr2O7{2-} + H{+} = Cr{3+} + CO2 + H2O =>
3 HCOOH + Cr2O7{2-} + 8 H{+} = 2 Cr{3+} + 3 CO2 + 7 H2O
FeS + HI = FeI2 + H2S =>
FeS + 2 HI = FeI2 + H2S
Cu(s) + AgNO3(l) = CuNO3(aq) + Ag(s) =>
Cu(s) + AgNO3(l) = CuNO3(aq) + Ag(s)
S(s) + HCl(aq) = SCl + H2(g) =>
2 S(s) + 2 HCl(aq) = 2 SCl + H2(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H + AsO4 = AsO3 + H2O =>
2 H + AsO4 = AsO3 + H2O
Fe(OH)3 + H2C2O4 = Fe + H2O + C2O4 =>
2 Fe(OH)3 + 3 H2C2O4 = 2 Fe + 6 H2O + 3 C2O4
AsO4 + H = AsH3 + H2O =>
AsO4 + 11 H = AsH3 + 4 H2O
C6H14 + O2 = C6H12O6 + H2O =>
2 C6H14 + 7 O2 = 2 C6H12O6 + 2 H2O
Cu{+} + Cl{-} = CuCl =>
Cu{+} + Cl{-} = CuCl
Fe(OH)2 + OH = Fe2O3 + H2O =>
2 Fe(OH)2 + 2 OH = Fe2O3 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Br + K(OH) = KBr + K(BrO3) + H2O =>
6 Br + 6 K(OH) = 5 KBr + K(BrO3) + 3 H2O
MnSO4 + Br2 + NaOH = Na2MnO4 + NaBr + Na2SO4 + H2O =>
MnSO4 + 2 Br2 + 8 NaOH = Na2MnO4 + 4 NaBr + Na2SO4 + 4 H2O
H3AsO4 + HI = HAsO2 + I2 + H2O =>
H3AsO4 + 2 HI = HAsO2 + I2 + 2 H2O
Br2 + KCrO2 + NaOH = Na2CrO4 + NaBr + KBr + H2O =>
3 Br2 + 2 KCrO2 + 8 NaOH = 2 Na2CrO4 + 4 NaBr + 2 KBr + 4 H2O
SCl2(l) + C2H4(g) = S(CH2CH2Cl)2 =>
SCl2(l) + 2 C2H4(g) = S(CH2CH2Cl)2
Ca(H2PO4)2 + AgNO3 = Ca3(PO4)2 + Ag3PO4 + HNO3 =>
3 Ca(H2PO4)2 + 12 AgNO3 = Ca3(PO4)2 + 4 Ag3PO4 + 12 HNO3
MgO(s) = Mg(s) + O2(g) =>
2 MgO(s) = 2 Mg(s) + O2(g)
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Équations équilibrées sur10/23/24
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