| Équations équilibrées la veille |
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
HCOOH + HCOONa = HCOO + H2COONa =>
HCOOH + HCOONa = HCOO + H2COONa
AgNO3 + Cl2 = AgCl + O2 + NO =>
2 AgNO3 + Cl2 = 2 AgCl + 2 O2 + 2 NO
MnSO4 + NaOH = Mn(OH)2 + Na2SO4 =>
MnSO4 + 2 NaOH = Mn(OH)2 + Na2SO4
Zn(ClO3)2 + (NH4)2S = NH4ClO3 + ZnS =>
Zn(ClO3)2 + (NH4)2S = 2 NH4ClO3 + ZnS
SnCl2 + PbO2 + NaOH + H2O = Na2[Sn(OH)6] + NaCl + Na2[Pb(OH)4] =>
SnCl2 + PbO2 + 6 NaOH + 2 H2O = Na2[Sn(OH)6] + 2 NaCl + Na2[Pb(OH)4]
C12H26 = C2H4 + C4H10 =>
C12H26 = 4 C2H4 + C4H10
Na2O + CrO3 = Na2CrO4 =>
Na2O + CrO3 = Na2CrO4
Y(NO3)3 + Sr(NO3)2 + Cu(NO3)2 + C6H8O7 = YSr2Cu3O5 + NO2 + CO2 + H2O =>
9 Y(NO3)3 + 18 Sr(NO3)2 + 27 Cu(NO3)2 + 8 C6H8O7 = 9 YSr2Cu3O5 + 117 NO2 + 48 CO2 + 32 H2O
C19H18N2O6 + O2 = HNO3 + H2O + CO2 =>
C19H18N2O6 + 23 O2 = 2 HNO3 + 8 H2O + 19 CO2
Cu(OH)2(s) + HCl(aq) = CuCl2(s) + H2O(l) =>
Cu(OH)2(s) + 2 HCl(aq) = CuCl2(s) + 2 H2O(l)
H2S + K(MnO4) + HNO3 = K2(SO4) + Mn(SO4) + Mn(NO3)2 + H2O =>
5 H2S + 8 K(MnO4) + 14 HNO3 = 4 K2(SO4) + Mn(SO4) + 7 Mn(NO3)2 + 12 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Li + HCl = Li2Cl + H2 =>
4 Li + 2 HCl = 2 Li2Cl + H2
Na2CrO4 + H2SO4 = Na2SO4 + H2CrO4 =>
Na2CrO4 + H2SO4 = Na2SO4 + H2CrO4
Cr(OH)Cl2 + HCl = CrCl3 + H2O =>
Cr(OH)Cl2 + HCl = CrCl3 + H2O
Hg2Cl2 + Mn(NO3)2 = MnCl2 + Hg2(NO3)2 =>
Hg2Cl2 + Mn(NO3)2 = MnCl2 + Hg2(NO3)2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
NaCl + Li2SO4 = Na2SO4 + LiCl =>
2 NaCl + Li2SO4 = Na2SO4 + 2 LiCl
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Na3PO4 + Ni(NO3)2 = Ni3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Ni(NO3)2 = Ni3(PO4)2 + 6 NaNO3
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
BaCl2 + Al(NO3)3 = Ba(NO3)2 + Al(Cl)3 =>
3 BaCl2 + 2 Al(NO3)3 = 3 Ba(NO3)2 + 2 Al(Cl)3
Pb + O3 = PbO2 =>
3 Pb + 2 O3 = 3 PbO2
Cu(NO3)2 + (NH4)2CO3 = CuCO3 + NH4NO3 =>
Cu(NO3)2 + (NH4)2CO3 = CuCO3 + 2 NH4NO3
HIO4 + Cr(OH)2 = Cr(IO4)2 + H2O =>
2 HIO4 + Cr(OH)2 = Cr(IO4)2 + 2 H2O
[Zn(NH3)4]{2+} + (NH4)2S = [Zn(NH3)4]{+} + S + NH4{+} =>
2[Zn(NH3)4]{2+} + (NH4)2S = 2[Zn(NH3)4]{+} + S + 2 NH4{+}
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
SiO2 + NaOH = Na8Si2O8 + H2O =>
2 SiO2 + 8 NaOH = Na8Si2O8 + 4 H2O
CrO3 + H2O = CrO4{-2} + H3O{+} =>
CrO3 + 3 H2O = CrO4{-2} + 2 H3O{+}
CrCl3 + C6H12O7 = Cr2(C6O7)3 + HCl + H2 =>
2 CrCl3 + 3 C6H12O7 = Cr2(C6O7)3 + 6 HCl + 15 H2
NaCl + F = NaF + Cl2 =>
2 NaCl + 2 F = 2 NaF + Cl2
C6H5OH + NaH = C6H5Na + H2O =>
C6H5OH + NaH = C6H5Na + H2O
CuCl + O2 + H2O = Cu2(OH)3Cl + HCl =>
4 CuCl + O2 + 4 H2O = 2 Cu2(OH)3Cl + 2 HCl
AlBr3 + H2O = AlBr3*6H2O =>
AlBr3 + 6 H2O = AlBr3*6H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
MnSO4 = SO2 + MnO2 =>
MnSO4 = SO2 + MnO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NaNO3 + P = NaNO2 + P2O5 =>
5 NaNO3 + 2 P = 5 NaNO2 + P2O5
Zr + N = Zr3N4 =>
3 Zr + 4 N = Zr3N4
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
B + O2 = BO2 =>
B + O2 = BO2
Pb(NO3)2(aq) + K2CrO4(s) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(s) = PbCrO4(s) + 2 KNO3(aq)
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Équations équilibrées sur10/22/24
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