| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Zn + 2 FeBr3 = 3 ZnBr2 + 2 Fe
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
KAl(SO4)2 + Na3Co(NO2)6 = NaAl(SO4)2 + K3Co(NO2)6 =>
3 KAl(SO4)2 + Na3Co(NO2)6 = 3 NaAl(SO4)2 + K3Co(NO2)6
CH3OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + HCOOH + K2SO4 =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 11 H2O + 3 HCOOH + 2 K2SO4
C8H18 + O2 = C02 + H0O =>
C8H18 + 9 O2 = 4 C02 + 18 H0O
NH3 + CO2 = CN2H4O + H2O =>
2 NH3 + CO2 = CN2H4O + H2O
HClO4 + CsOH = CsClO4 + H2O =>
HClO4 + CsOH = CsClO4 + H2O
CuNO3 + Na2CrO4 = Cu2CrO4 + NaNO3 =>
2 CuNO3 + Na2CrO4 = Cu2CrO4 + 2 NaNO3
Cu3S4 + H2SO4 = CuSO4 + S2O2 + H2O =>
4 Cu3S4 + 26 H2SO4 = 12 CuSO4 + 15 S2O2 + 26 H2O
Na2FeO4 + HBr = NaBr + Br + FeBr2 + H2O =>
Na2FeO4 + 8 HBr = 2 NaBr + 4 Br + FeBr2 + 4 H2O
Pb(s) + Au{3+}(aq) = Pb{2+}(aq) + Au(s) =>
3 Pb(s) + 2 Au{3+}(aq) = 3 Pb{2+}(aq) + 2 Au(s)
C6H12O6 = C2H5O + CO2 + H2O =>
11 C6H12O6 = 24 C2H5O + 18 CO2 + 6 H2O
Al(NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al(NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
KNO3 + H2CO = K2CO3 + HNO2 =>
2 KNO3 + H2CO = K2CO3 + 2 HNO2
Sn + Zn(NO3)2 = Sn2(NO3)8 + Zn =>
2 Sn + 4 Zn(NO3)2 = Sn2(NO3)8 + 4 Zn
K + H2PO4 = KPO4 + H2 =>
K + H2PO4 = KPO4 + H2
C2H5OH + H2SO4 = C2H6SO4 + H2O =>
C2H5OH + H2SO4 = C2H6SO4 + H2O
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
Al + Na(OH)2 = Na[Al(OH)2] =>
Al + Na(OH)2 = Na[Al(OH)2]
C6H5NO3 + Fe + HCl = C6H5NH2 + FeCl3 + H2O =>
3 C6H5NO3 + 8 Fe + 24 HCl = 3 C6H5NH2 + 8 FeCl3 + 9 H2O
XC2H5 + KMnO4 + H2SO4 = XCO2H + CO2 + K2SO4 + MnSO4 + H2O =>
5 XC2H5 + 12 KMnO4 + 18 H2SO4 = 5 XCO2H + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
H2O + CH3COOH = CH3CH2OH + O2 =>
H2O + CH3COOH = CH3CH2OH + O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
S2NO4 + Cl = S + Cl2(NO4)3 =>
3 S2NO4 + 2 Cl = 6 S + Cl2(NO4)3
ZrOCl2 + K4[Fe(CN)6] = (ZrO)2[Fe(CN)6] + KCl =>
2 ZrOCl2 + K4[Fe(CN)6] = (ZrO)2[Fe(CN)6] + 4 KCl
Br2 + HF = Br2F + H =>
Br2 + HF = Br2F + H
CH3CONH2 + Br2 + NaOH = CH3NH2 + Na2CO3 + NaBr + H2O =>
CH3CONH2 + Br2 + 4 NaOH = CH3NH2 + Na2CO3 + 2 NaBr + 2 H2O
C4H8(OH)2 + Na = C4H8O2Na2 + H2 =>
C4H8(OH)2 + 2 Na = C4H8O2Na2 + H2
C5H16 + O2 = CO2 + H2O =>
C5H16 + 9 O2 = 5 CO2 + 8 H2O
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Ba(NO3)2 + K2CO3 = CO2 + KNO3 + BaO =>
Ba(NO3)2 + K2CO3 = CO2 + 2 KNO3 + BaO
Al2O3 + KOH + H2O = K[Al(OH)4] =>
Al2O3 + 2 KOH + 3 H2O = 2 K[Al(OH)4]
(CH3(CH8)CH3)(aq) + O2(g) = CO2(g) + H2O(g) =>
2(CH3(CH8)CH3)(aq) + 13 O2(g) = 6 CO2(g) + 14 H2O(g)
Mg2SiO4 + Fe2O3 + H2 = Fe2SiO4 + MgO + H2O =>
Mg2SiO4 + Fe2O3 + H2 = Fe2SiO4 + 2 MgO + H2O
Pb(s) + Ag{+} = Pb{2+} + Ag(s) =>
Pb(s) + 2 Ag{+} = Pb{2+} + 2 Ag(s)
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
AgBr + Na2S2O3 = NaBr + Na + Na[Ag(S2O3)2] =>
AgBr + 2 Na2S2O3 = NaBr + 2 Na + Na[Ag(S2O3)2]
MoO2 + XeF2 = MoF + Xe + O2 =>
2 MoO2 + XeF2 = 2 MoF + Xe + 2 O2
(COOH)2 + Ca = (COOH)2Ca =>
(COOH)2 + Ca = (COOH)2Ca
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NaOH + Al(OH)3 = Al(NaO)3 + H2O =>
3 NaOH + Al(OH)3 = Al(NaO)3 + 3 H2O
Zn(OH)2 + Ba(OH)2 = Ba[Zn(OH)4] =>
Zn(OH)2 + Ba(OH)2 = Ba[Zn(OH)4]
SiO2 + HCl = Si + H2O + Cl2 =>
SiO2 + 4 HCl = Si + 2 H2O + 2 Cl2
C8H10 + KMnO4 + H2SO4 = C8H6O1 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 6 KMnO4 + 9 H2SO4 = 5 C8H6O1 + 3 K2SO4 + 6 MnSO4 + 19 H2O
K2CO3 + CaI2 = KI + Ca2(CO3)2 =>
2 K2CO3 + 2 CaI2 = 4 KI + Ca2(CO3)2
Al(NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al(NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
FeCl2 + HCl = HCl3 + Fe =>
FeCl2 + HCl = HCl3 + Fe
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
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Équations équilibrées sur04/23/24
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