| Équations équilibrées la veille |
B2O + Mg = MgO + 2 B
Cr(OH)3 + KClO3 + KOH = K2CrO4 + H2O + KCl =>
2 Cr(OH)3 + KClO3 + 4 KOH = 2 K2CrO4 + 5 H2O + KCl
C7H9 + KMnO4 + H2SO4 = C7H7O2 + K2SO4 + MnSO4 + H2O =>
5 C7H9 + 6 KMnO4 + 9 H2SO4 = 5 C7H7O2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
CH(OH) + KMnO4 + H2O = MnO2 + CHO(OH) + KOH =>
3 CH(OH) + 2 KMnO4 + H2O = 2 MnO2 + 3 CHO(OH) + 2 KOH
FeBr2 + K = KBr + Fe =>
FeBr2 + 2 K = 2 KBr + Fe
(NH4)2CO3 + CuCl = (NH4)Cl2 + Cu + CO3 =>
(NH4)2CO3 + 4 CuCl = 2(NH4)Cl2 + 4 Cu + CO3
SO3 + H2SO4 = H2S2O7 =>
SO3 + H2SO4 = H2S2O7
Cr(OH)3 + O2 + H2O = Cr(OH)4 =>
4 Cr(OH)3 + O2 + 2 H2O = 4 Cr(OH)4
(H2O2)(l) = H2O(l) + O2(g) =>
2(H2O2)(l) = 2 H2O(l) + O2(g)
SO3 + H2SO4 = H2S2O7 =>
SO3 + H2SO4 = H2S2O7
Na3Cl3 = NaCl =>
Na3Cl3 = 3 NaCl
Ni(OH)2 = NiO + H2O =>
Ni(OH)2 = NiO + H2O
P2O5 + SnO2 = Sn3(PO4)4 =>
2 P2O5 + 3 SnO2 = Sn3(PO4)4
Cr2(SO4)3 + HCl = CrCl3 + H2SO4 =>
Cr2(SO4)3 + 6 HCl = 2 CrCl3 + 3 H2SO4
Cr(OH)3 + KClO + KOH = K2CrO4 + KCl + H2O =>
2 Cr(OH)3 + 3 KClO + 4 KOH = 2 K2CrO4 + 3 KCl + 5 H2O
CaSO4 + K3PO4 = CaPO4 + K3SO4 =>
CaSO4 + K3PO4 = CaPO4 + K3SO4
H3C6H5O7 + Na(CO3)2 = CO2 + H2O + Na3C6H5O7 =>
3 H3C6H5O7 + 6 Na(CO3)2 = 18 CO2 + 7 H2O + 2 Na3C6H5O7
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2C2O4 + KNO3 = HNO3 + K2C2O4 =>
H2C2O4 + 2 KNO3 = 2 HNO3 + K2C2O4
CaCl2 + Na2Co3 = CaCo3 + NaCl =>
CaCl2 + Na2Co3 = CaCo3 + 2 NaCl
NaOH(aq) + HC2H3O2 = NaC2H3O2(aq) + H2O(l) =>
NaOH(aq) + HC2H3O2 = NaC2H3O2(aq) + H2O(l)
SnCl2 + HCl + Hg(NO3)2 = H2[SnCl6] + Hg2(NO3)2 + HNO3 =>
SnCl2 + 4 HCl + 2 Hg(NO3)2 = H2[SnCl6] + Hg2(NO3)2 + 2 HNO3
FeOOH + H2O = Fe(OH)4 + H =>
FeOOH + 2 H2O = Fe(OH)4 + H
Mg(s) + H2S(aq) = MgS(aq) + H2(g) =>
Mg(s) + H2S(aq) = MgS(aq) + H2(g)
Pb(NO3)2(aq) + NiCl2(aq) = PbCl2(s) + Ni(NO3)2(aq) =>
Pb(NO3)2(aq) + NiCl2(aq) = PbCl2(s) + Ni(NO3)2(aq)
Cu(s) + ZnO(s) = Cu2O3(s) + Zn(s) =>
2 Cu(s) + 3 ZnO(s) = Cu2O3(s) + 3 Zn(s)
Na2CO3(aq) + Fe(NO3)3 = NaNO3(aq) + Fe2(CO3)3(s) =>
3 Na2CO3(aq) + 2 Fe(NO3)3 = 6 NaNO3(aq) + Fe2(CO3)3(s)
K + O2 = K2O =>
4 K + O2 = 2 K2O
Na + HC2H3O2 = NaC2H3O2 + H2 =>
2 Na + 2 HC2H3O2 = 2 NaC2H3O2 + H2
Zn(CO3) + H3PO4 = Zn3(PO4)2 + H2O + CO2 =>
3 Zn(CO3) + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 CO2
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
AgNO3 + CuSO4 = Ag2SO4 + Cu(NO3)2 =>
2 AgNO3 + CuSO4 = Ag2SO4 + Cu(NO3)2
FeCl2 + K2(Cr2O7) + HCl = FeCl3 + KCl + CrCl3 + H2O =>
6 FeCl2 + K2(Cr2O7) + 14 HCl = 6 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
HCl + Cu(NO3)2 = CuCl2 + HNO3 =>
2 HCl + Cu(NO3)2 = CuCl2 + 2 HNO3
H2Te + Cu(OH)2 = CuTe + H2O =>
H2Te + Cu(OH)2 = CuTe + 2 H2O
PbC4H6O4 + H2S = PbS + HC2H3O2 =>
PbC4H6O4 + H2S = PbS + 2 HC2H3O2
O{3+} + NO = O{2+} + NO{2+} =>
2 O{3+} + NO = 2 O{2+} + NO{2+}
Zn + Al = Al2Zn3 =>
3 Zn + 2 Al = Al2Zn3
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
CdCO3(s) = CdO(s) + CO2(g) =>
CdCO3(s) = CdO(s) + CO2(g)
Cr + PbN = CrN + Pb =>
Cr + PbN = CrN + Pb
C9H8O2 + HBr + H2O2 = C9H8Br2O2 + H2O =>
C9H8O2 + 2 HBr + H2O2 = C9H8Br2O2 + 2 H2O
C2H4O2 + NaClO = NaCl + H2O + C2O =>
C2H4O2 + NaClO = NaCl + 2 H2O + C2O
Ba + NaOH = Na + Ba(OH)2 =>
Ba + 2 NaOH = 2 Na + Ba(OH)2
HBrO3 + H2S = H2SO4 + HBr =>
4 HBrO3 + 3 H2S = 3 H2SO4 + 4 HBr
Na + H2 = Na2H3 =>
4 Na + 3 H2 = 2 Na2H3
HCl + Cu(NO3)2 = CuCl2 + HNO3 =>
2 HCl + Cu(NO3)2 = CuCl2 + 2 HNO3
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Ba(OH)2(aq) + HCN(aq) = Ba(CN)2 + H2O =>
Ba(OH)2(aq) + 2 HCN(aq) = Ba(CN)2 + 2 H2O
Hg + CuCl2 = Cu + HgCl2 =>
Hg + CuCl2 = Cu + HgCl2
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Équations équilibrées sur10/26/24
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