| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 C2H4O3 + 3 Na2CO3 = 6(CH2COOH)Na + 7 H2O + 7 CO2
C2H4(g) + O2(g) = CO2(g) + H2O(l) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(l)
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
PH3 + O2 = P4O10 + H2O =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
PbO2 + HCl = PbCl2 + H2O + Cl2 =>
PbO2 + 4 HCl = PbCl2 + 2 H2O + Cl2
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
K2CRO7 + HCl = KCl + CRCl3 + H2O + Cl2 =>
2 K2CRO7 + 28 HCl = 4 KCl + 2 CRCl3 + 14 H2O + 9 Cl2
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
C6H12O6 = C + H2O =>
C6H12O6 = 6 C + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NaN3 = Na3N + N2 =>
3 NaN3 = Na3N + 4 N2
K + ZnCl2 = KCl2 + Zn =>
K + ZnCl2 = KCl2 + Zn
AlCl3 + Ca(OH)2 = CaCl2 + Al(OH)3 =>
2 AlCl3 + 3 Ca(OH)2 = 3 CaCl2 + 2 Al(OH)3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Cl2 + KOH = KCl + H2O + HClO3 =>
3 Cl2 + 5 KOH = 5 KCl + 2 H2O + HClO3
Fe(SO4) + K(MnO4) + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Fe(SO4) + 2 K(MnO4) + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Na2SO3 + Cl2 + H2O = NaCl + H2SO4 =>
Na2SO3 + Cl2 + H2O = 2 NaCl + H2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH + Sn = Sn(OH)2 + Na =>
2 NaOH + Sn = Sn(OH)2 + 2 Na
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ag + NaCN + H2O + O2 = NaAg(CN)4 + NaOH =>
4 Ag + 16 NaCN + 6 H2O + 3 O2 = 4 NaAg(CN)4 + 12 NaOH
Cr2O7{2{-}} + C3H8O3 = CO2 + H2O + Cr =>
Cr2O7{2{-}} + C3H8O3 = 3 CO2 + 4 H2O + 2 Cr
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Na2CrO4 + HI + H2SO4 = I2 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 HI + 5 H2SO4 = 3 I2 + Cr2(SO4)3 + 2 Na2SO4 + 8 H2O
Cr2(SO4)3 + Br2 + NaOH = Na2CrO4 + Br{-} + H2O + Na{+} + SO4{2-} =>
Cr2(SO4)3 + 3 Br2 + 16 NaOH = 2 Na2CrO4 + 6 Br{-} + 8 H2O + 12 Na{+} + 3 SO4{2-}
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Ag + NaCN + H2O + O2 = Na2Ag(CN)4 + NaOH =>
2 Ag + 8 NaCN + 2 H2O + O2 = 2 Na2Ag(CN)4 + 4 NaOH
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
ZnCl2(aq) + H2SO4 = ZnSO4 + HCl =>
ZnCl2(aq) + H2SO4 = ZnSO4 + 2 HCl
HCl + Mg(OH)2 = H2O + MgCl2 =>
2 HCl + Mg(OH)2 = 2 H2O + MgCl2
ZnCl2(aq) + H2SO4 = ZnSO4 + HCl =>
ZnCl2(aq) + H2SO4 = ZnSO4 + 2 HCl
H2(g) + Cl2(g) = HCl(s) =>
H2(g) + Cl2(g) = 2 HCl(s)
Cr2O7{-2} + H{+} + C3H8O3 = Cr{+3} + H2O + CO2 =>
7 Cr2O7{-2} + 56 H{+} + 3 C3H8O3 = 14 Cr{+3} + 40 H2O + 9 CO2
KMnO4 + FeCl2 + HCl = KCl + MnCl2 + FeCl3 + H2O =>
KMnO4 + 5 FeCl2 + 8 HCl = KCl + MnCl2 + 5 FeCl3 + 4 H2O
C5H12 + Br2 = C5H11Br + HBr =>
C5H12 + Br2 = C5H11Br + HBr
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
AgNO3 + NaI = NaNO3 + AgI =>
AgNO3 + NaI = NaNO3 + AgI
Al + KOH + KNO3 + H2O = K3(Al(OH)6) + NH3 =>
8 Al + 21 KOH + 3 KNO3 + 18 H2O = 8 K3(Al(OH)6) + 3 NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H3PO4 + Ca(OH)2 = Ca(H2PO4)2 + H2O =>
2 H3PO4 + Ca(OH)2 = Ca(H2PO4)2 + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn + HNO3 = ZnNO3 + NO2 + H2O =>
Zn + 2 HNO3 = ZnNO3 + NO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
I2 + HNO3 = IO2 + NO + H2O =>
3 I2 + 8 HNO3 = 6 IO2 + 8 NO + 4 H2O
H3PO4 + Ca(OH)2 = CaHPO4 + H2O =>
H3PO4 + Ca(OH)2 = CaHPO4 + 2 H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/04/14
Équations équilibrées sur05/04/13
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