| Équations équilibrées la veille |
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
HCl + S = Cl + H2S =>
2 HCl + S = 2 Cl + H2S
Co(OH)2 + H{+} = Co{2+} + H2O =>
Co(OH)2 + 2 H{+} = Co{2+} + 2 H2O
HKO4S + KOH = K2SO4 + H2O =>
HKO4S + KOH = K2SO4 + H2O
SnO2{-2} + OH = SnO3{-2} + H2O =>
SnO2{-2} + 2 OH = SnO3{-2} + H2O
Fe + ClH = FeCl2 + H2 =>
Fe + 2 ClH = FeCl2 + H2
H2SO4 + K2SO4 = H2K2 + SO4 =>
H2SO4 + K2SO4 = H2K2 + 2 SO4
NaHSO3 + NH3 + H2O = (NH4)2SO3 + NaOH =>
NaHSO3 + 2 NH3 + H2O = (NH4)2SO3 + NaOH
(NH4)2Cr2O7 + KC2H3O2 = NH4C2H3O2 + K2Cr2O7 =>
(NH4)2Cr2O7 + 2 KC2H3O2 = 2 NH4C2H3O2 + K2Cr2O7
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + MnSO4 =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + K2SO4 + 8 H2O + 2 MnSO4
C3H10NCl + HNO3 = HCl + C3H10N2O3 =>
C3H10NCl + HNO3 = HCl + C3H10N2O3
CaCl2(ag) + H2SO4(ag) = CaSO4(s) + HCl(ag) =>
CaCl2(ag) + H2SO4(ag) = CaSO4(s) + 2 HCl(ag)
CrBr3 + Na2SO4 = Cr2(SO4)3 + NaBr =>
2 CrBr3 + 3 Na2SO4 = Cr2(SO4)3 + 6 NaBr
Mn(NO3)2 + NaBiO3 + H2O + HNO3 = HMnO4 + BiNO3(OH)2 + NaNO3 =>
2 Mn(NO3)2 + 5 NaBiO3 + 3 H2O + 6 HNO3 = 2 HMnO4 + 5 BiNO3(OH)2 + 5 NaNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb + NH3 = Pb(NH3)2 =>
Pb + 2 NH3 = Pb(NH3)2
As2S3 + HNO3 = (NO2) + SO2 + (H3)AsO4 + H2O =>
As2S3 + 22 HNO3 = 22(NO2) + 3 SO2 + 2(H3)AsO4 + 8 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl3 =>
3 KMnO4 + 24 HCl = 3 KCl + 3 MnCl2 + 12 H2O + 5 Cl3
K3Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]H2O + CO2 + H2O =>
2 K3Cr2O7 + 14 H2C2O4 + 3 K2C2O4 = 4 K3[Cr(C2O4)3]H2O + 10 CO2 + 10 H2O
Cr2(SO4)3 + Na2O2 + NaOH = Na2CrO4 + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Na2O2 + 4 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 2 H2O
Ca(OH)2 + H3PO4 = Ca10(PO4)6(OH)2 + H2O =>
10 Ca(OH)2 + 6 H3PO4 = Ca10(PO4)6(OH)2 + 18 H2O
Na2SO4 + KCI = NaCI + K2SO4 =>
Na2SO4 + 2 KCI = 2 NaCI + K2SO4
H3C2OOH + Cl2 = H2ClC2OOH + H2 =>
2 H3C2OOH + Cl2 = 2 H2ClC2OOH + H2
ZnCl2 + Ag = Zn2 + AgCl2 =>
2 ZnCl2 + 2 Ag = Zn2 + 2 AgCl2
Na2CO3(s) + HCl(ac) = NaCl(s) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 HCl(ac) = 2 NaCl(s) + H2O(l) + CO2(g)
NiO + H2 = NiOH2 =>
NiO + H2 = NiOH2
H4Si + NaOH = Si(OH)4 + HNa =>
H4Si + 4 NaOH = Si(OH)4 + 4 HNa
B2H3 + O2 = B2O3 + H2O =>
4 B2H3 + 9 O2 = 4 B2O3 + 6 H2O
Fe{3+}OH = Fe{3} =>
Fe{3+}OH = Fe{3}
CrO4{2-} + H2O = Cr2O7{2-} + OH{-} =>
2 CrO4{2-} + H2O = Cr2O7{2-} + 2 OH{-}
BeCl2 + N2O4 = Be(NO3)2(N2O4) + NOCl =>
BeCl2 + 3 N2O4 = Be(NO3)2(N2O4) + 2 NOCl
TiO + O2 = Ti2O3 =>
4 TiO + O2 = 2 Ti2O3
Cu(II)ClFe(II) = Fe(II)ClCu(II) =>
Cu(II)ClFe(II) = Fe(II)ClCu(II)
NaCl + PbO2 + H2SO4 = Cl2 + Pb(HSO4)2 + NaHSO4 + H2O =>
2 NaCl + PbO2 + 4 H2SO4 = Cl2 + Pb(HSO4)2 + 2 NaHSO4 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
ZnCl2 + K2S = ZnS + Cl2K2 =>
ZnCl2 + K2S = ZnS + Cl2K2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
C4H10(i) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(i) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
FeCl2 + SnCl4 = FeCl3 + SnCl =>
3 FeCl2 + SnCl4 = 3 FeCl3 + SnCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaCO3 + HC2H3O2 = H2O + CO2 + Ca(C2H3O2)2 =>
CaCO3 + 2 HC2H3O2 = H2O + CO2 + Ca(C2H3O2)2
MnO4 + C2O4 = MnO2 + CO3 =>
MnO4 + C2O4 = MnO2 + 2 CO3
K4Fe(CN)6 + K2MnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
4 K4Fe(CN)6 + 61 K2MnO4 + 205 H2SO4 = 138 KHSO4 + 2 Fe2(SO4)3 + 61 MnSO4 + 24 HNO3 + 24 CO2 + 124 H2O
Fe(NO3)3 + NO + H2O = Fe + HNO3 =>
Fe(NO3)3 + NO + 2 H2O = Fe + 4 HNO3
NH3 + O2 = OH + NO =>
NH3 + 2 O2 = 3 OH + NO
Al + Br3 = AlBr2 =>
3 Al + 2 Br3 = 3 AlBr2
Al(s) + MnO4{-}(aq) + H2O = MnO2(s) + Al(OH)4{-}(aq) =>
Al(s) + MnO4{-}(aq) + 2 H2O = MnO2(s) + Al(OH)4{-}(aq)
C20H102 + O2 = CO2 + H2O =>
2 C20H102 + 91 O2 = 40 CO2 + 102 H2O
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