| Équations équilibrées la veille |
3 Sn + C2Cl6 = 3 SnCl2 + 2 C
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
CaCO3(s) + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3(s) + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
C3H4N2 + O2 = CO2 + H2O + N2 =>
C3H4N2 + 4 O2 = 3 CO2 + 2 H2O + N2
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
H{+} + Zn + VO{2+} = V{3+} + Zn{2+} + H2O =>
4 H{+} + Zn + 2 VO{2+} = 2 V{3+} + Zn{2+} + 2 H2O
Pb(NO3)2 + OH = PbOH + (NO3)2 =>
Pb(NO3)2 + OH = PbOH + (NO3)2
PbO + KOH = Pb(OH)2 + K2O =>
PbO + 2 KOH = Pb(OH)2 + K2O
Si2H2 + O2 = SiO2 + H2O =>
2 Si2H2 + 5 O2 = 4 SiO2 + 2 H2O
H2SO3 + Na2CO3 = Na2SO3 + CO2 + H2O =>
H2SO3 + Na2CO3 = Na2SO3 + CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KNo3 + MnO2 + KOH = KNo2 + K2MnO4 + H2O =>
4 KNo3 + MnO2 + 4 KOH = 6 KNo2 + K2MnO4 + 2 H2O
Ce(NO3)3 + (NH4)2C2O4 = Ce2(C2O4)3 + NH4NO3 =>
2 Ce(NO3)3 + 3(NH4)2C2O4 = Ce2(C2O4)3 + 6 NH4NO3
Br2 + H2O = Br2O3 + H2 =>
Br2 + 3 H2O = Br2O3 + 3 H2
CaCl2(aq) + NaOH(aq) = Ca(OH)2(aq) + NaCl(s) =>
CaCl2(aq) + 2 NaOH(aq) = Ca(OH)2(aq) + 2 NaCl(s)
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
NO2 + CaO + O2 = Ca(NO3)2 =>
4 NO2 + 2 CaO + O2 = 2 Ca(NO3)2
Zn(OH)2 + K2O = K2ZnO2 + H2O =>
Zn(OH)2 + K2O = K2ZnO2 + H2O
Pb + Na2S = Pb(Na2S) =>
Pb + Na2S = Pb(Na2S)
Mg + CuO2 = MgO2 + Cu =>
Mg + CuO2 = MgO2 + Cu
CuPO4 + Cs2S = Cu2S + CsPO4 =>
2 CuPO4 + Cs2S = Cu2S + 2 CsPO4
Li2CO3 + Ca(OH)2 = CaCO3 + LiOH =>
Li2CO3 + Ca(OH)2 = CaCO3 + 2 LiOH
Al + Cr2O3 = AlO2 + Cr2 =>
3 Al + 2 Cr2O3 = 3 AlO2 + 2 Cr2
Al + O2 = Al(O)2 =>
Al + O2 = Al(O)2
H + Se4 = HSe =>
4 H + Se4 = 4 HSe
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
NH4{+} + NO2{-} = N + H2O =>
NH4{+} + NO2{-} = 2 N + 2 H2O
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
H2SO4 + NOH = N2SO4 + H2O =>
H2SO4 + 2 NOH = N2SO4 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
K2CrO4 = CrO3K2O =>
K2CrO4 = CrO3K2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MnF4 = F2 + MnF3 =>
2 MnF4 = F2 + 2 MnF3
KNO3 + S8 = SO2 + K2O + N2O3 =>
16 KNO3 + S8 = 8 SO2 + 8 K2O + 8 N2O3
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + CH3COOH + K2SO4 + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2SO4 + 11 H2O
Na2S + H2O = Na(OH) + H2S =>
Na2S + 2 H2O = 2 Na(OH) + H2S
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
PbI2 + H2O = PbO + HI =>
PbI2 + H2O = PbO + 2 HI
Mn4(SiO4)7 + UI5 = MnI7 + U4(SiO4)5 =>
5 Mn4(SiO4)7 + 28 UI5 = 20 MnI7 + 7 U4(SiO4)5
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Pb3(PO4)2 + KI = PbI2 + K3(PO4) =>
Pb3(PO4)2 + 6 KI = 3 PbI2 + 2 K3(PO4)
KCrO4 + Fe(NO3)3 = KNO3 + Fe(CrO4)3 =>
3 KCrO4 + Fe(NO3)3 = 3 KNO3 + Fe(CrO4)3
K2S + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 K2S + 4 K2Cr2O7 + 16 H2SO4 = 7 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CaO + HCe = CaCe2 + H2O =>
CaO + 2 HCe = CaCe2 + H2O
C6H14 + O2 = C2O4 + H2O =>
2 C6H14 + 19 O2 = 6 C2O4 + 14 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
K + Cl2 = K2Cl =>
4 K + Cl2 = 2 K2Cl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaCl(ac) + AgNO3(ac) = AgCl + NaNO3 =>
NaCl(ac) + AgNO3(ac) = AgCl + NaNO3
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Équations équilibrées sur01/06/25
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