| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaClO + 2 NaI + 2 H2SO4 = I2 + 2 NaCl + 2 NaSO4 + 2 H2O
Cl + NH3 = NH2Cl + NH4Cl =>
2 Cl + 2 NH3 = NH2Cl + NH4Cl
MnO2(s) + NaNO2 + HNO3 = Mn(NO3)2 + H2O + NaNO3 =>
MnO2(s) + NaNO2 + 2 HNO3 = Mn(NO3)2 + H2O + NaNO3
Cr(OH)3 + HCl = CrCl3 + H2O =>
Cr(OH)3 + 3 HCl = CrCl3 + 3 H2O
H2CO3 + Cu(OH)2 = CuCO3 + H2O =>
H2CO3 + Cu(OH)2 = CuCO3 + 2 H2O
Al2O3(s) = Al(s) + O2(g) =>
2 Al2O3(s) = 4 Al(s) + 3 O2(g)
BaCl2 + H2SO4 + NaOH = BaSO4 + NaCl + H2O =>
BaCl2 + H2SO4 + 2 NaOH = BaSO4 + 2 NaCl + 2 H2O
H3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)2(PMo12O40) + (NH4)2NO4 + H2O =>
35 H3PO4 + 60(NH4)6Mo7O24 + 181 HNO3 = 35(NH4)2(PMo12O40) + 157(NH4)2NO4 + 95 H2O
FeCr2 + Na2CO3 + O2 = Na2CrO4 + FeO3 + CO2 =>
2 FeCr2 + 4 Na2CO3 + 9 O2 = 4 Na2CrO4 + 2 FeO3 + 4 CO2
CaHPO4 + CH3COOH = Ca(CH3COO)2 + Ca(H2PO4)2 =>
2 CaHPO4 + 2 CH3COOH = Ca(CH3COO)2 + Ca(H2PO4)2
C3H8O3 = C3H6 + H2O + CO2 =>
9 C3H8O3 = 7 C3H6 + 15 H2O + 6 CO2
SO3 + CO2 = SC2 + O2 =>
2 SO3 + 4 CO2 = 2 SC2 + 7 O2
MnO4 + H{+} + H2SO3 = Mn{2+} + H2SO4 + H2O =>
MnO4 + 2 H{+} + 3 H2SO3 = Mn{2+} + 3 H2SO4 + H2O
KCr(SO4)2 + Br2 + KOH = K2CrO4 + KBr + K2SO4 + H2O =>
2 KCr(SO4)2 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 4 K2SO4 + 8 H2O
BaCl2 + H2SO4 + NaOH = BaSO4 + NaCl + H2O =>
BaCl2 + H2SO4 + 2 NaOH = BaSO4 + 2 NaCl + 2 H2O
HCHO + H = CH3OH =>
HCHO + 2 H = CH3OH
NaOH + O2 = NaO2 + H2O =>
4 NaOH + 3 O2 = 4 NaO2 + 2 H2O
(V2)O5 + Ca = CaO + V =>
(V2)O5 + 5 Ca = 5 CaO + 2 V
(NH4)2Hg(SCN)4 + CoCl = Co2Hg(SCN)4 + NH4Cl =>
(NH4)2Hg(SCN)4 + 2 CoCl = Co2Hg(SCN)4 + 2 NH4Cl
Zn(ClO3)2 + LiOH = Li(ClO3)2 + ZnOH =>
Zn(ClO3)2 + LiOH = Li(ClO3)2 + ZnOH
Al2(SO4)3 + Mg = Al + MgSO4 =>
Al2(SO4)3 + 3 Mg = 2 Al + 3 MgSO4
Al2O3(s) = Al(s) + O2(g) =>
2 Al2O3(s) = 4 Al(s) + 3 O2(g)
X(s) + YZ(aq) = Y(s) + XZ(aq) =>
X(s) + YZ(aq) = Y(s) + XZ(aq)
K2O + S = K2S + O =>
K2O + S = K2S + O
CaBr2(aq) + Cl2(g) = CaCl2(aq) + Br2 =>
CaBr2(aq) + Cl2(g) = CaCl2(aq) + Br2
CH2O + H{+} + Cr2O7{-2} = Cr{+3} + H2O + CO2 =>
3 CH2O + 16 H{+} + 2 Cr2O7{-2} = 4 Cr{+3} + 11 H2O + 3 CO2
C2N2(g) + F2(g) = CF4(g) + NF3(g) =>
C2N2(g) + 7 F2(g) = 2 CF4(g) + 2 NF3(g)
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
KO2 + H2SO4 = K2SO4 + H2O + O2 =>
4 KO2 + 2 H2SO4 = 2 K2SO4 + 2 H2O + 3 O2
Ba(OH)2(ac) + Na2CO3(ac) = BaCO3(ac) + NaOH(ac) =>
Ba(OH)2(ac) + Na2CO3(ac) = BaCO3(ac) + 2 NaOH(ac)
KNO2 + K2CrO7 + HNO3 = KNO3 + Cr(NO3) + H2O =>
11 KNO2 + 2 K2CrO7 + 6 HNO3 = 15 KNO3 + 2 Cr(NO3) + 3 H2O
SnCl2 + Na2CO3 = Sn2(CO3)2 + NaCl =>
2 SnCl2 + 2 Na2CO3 = Sn2(CO3)2 + 4 NaCl
KOH + Br3 = KBr + KBrO3 + H2O =>
6 KOH + 2 Br3 = 5 KBr + KBrO3 + 3 H2O
BaCO3 + CH3CH2COOH = Ba(CH3CH2COO)2 + H2O + CO2 =>
BaCO3 + 2 CH3CH2COOH = Ba(CH3CH2COO)2 + H2O + CO2
C8H10O + KMnO4 = C8H4O4K2 + MnO2 + KOH + H2O =>
3 C8H10O + 10 KMnO4 = 3 C8H4O4K2 + 10 MnO2 + 4 KOH + 7 H2O
HMnO4 + Zn = Zn(MnO4)2 + H2 =>
2 HMnO4 + Zn = Zn(MnO4)2 + H2
Li + O = LiO =>
Li + O = LiO
O2 + NH3 + MgO = H2O + Mg(NO3)2 =>
4 O2 + 2 NH3 + MgO = 3 H2O + Mg(NO3)2
As2S5 + HNO3 = H3AsO4 + H3SO4 + H2O + NO2 =>
As2S5 + 35 HNO3 = 2 H3AsO4 + 5 H3SO4 + 7 H2O + 35 NO2
Li + KNO3 = KN + LiO3 =>
Li + KNO3 = KN + LiO3
Sn(NO3)2 + NaI = NaNO3 + SnI2 =>
Sn(NO3)2 + 2 NaI = 2 NaNO3 + SnI2
K2Cr2O7 + HI + HClO4 = I2 + Cr(ClO4) + KClO + H2O =>
K2Cr2O7 + 22 HI + 4 HClO4 = 11 I2 + 2 Cr(ClO4) + 2 KClO + 13 H2O
FeCl3 + CNS = Fe(CNS)3 + Cl =>
FeCl3 + 3 CNS = Fe(CNS)3 + 3 Cl
KI + H2SO4 + KClO3 = K2SO4 + I2 + H2O + KCl =>
6 KI + 3 H2SO4 + KClO3 = 3 K2SO4 + 3 I2 + 3 H2O + KCl
KOH + NH4Cl = KCl + NH4(OH) =>
KOH + NH4Cl = KCl + NH4(OH)
Sn3P4 + KF = SnF4 + K3P =>
Sn3P4 + 12 KF = 3 SnF4 + 4 K3P
H3PO + NaOH = H3OH + NaPO =>
H3PO + NaOH = H3OH + NaPO
NH3 + C2H5OH = C2H5ONH2 + H2 =>
NH3 + C2H5OH = C2H5ONH2 + H2
P2O5 + Pb(NO3)2 = Pb3(PO4)2 + N2O5 =>
P2O5 + 3 Pb(NO3)2 = Pb3(PO4)2 + 3 N2O5
Na2SO3 + PbSO4 = Na2SO4 + PbSO3 =>
Na2SO3 + PbSO4 = Na2SO4 + PbSO3
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Équations équilibrées sur11/23/24
Équations équilibrées sur12/23/23
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