| Équations équilibrées la veille |
4 K3PO4 + 3 Ti(NO3)4 = Ti3(PO4)4 + 12 KNO3
P2O5 + CuO = Cu3P2 + O2 =>
P2O5 + 3 CuO = Cu3P2 + 4 O2
Z + HC = ZC2 + H2 =>
Z + 2 HC = ZC2 + H2
Sr(NO3)2 + KOH = Sr(OH)2 + K(NO3) =>
Sr(NO3)2 + 2 KOH = Sr(OH)2 + 2 K(NO3)
(NH4)2WO4 + HCl + Zn = W3O8 + ZnCl2 + H2O + NH3 =>
3(NH4)2WO4 + 2 HCl + Zn = W3O8 + ZnCl2 + 4 H2O + 6 NH3
Pb(N3)2 + Cr(MnO4)2 = Cr2O3 + Pb3O4 + NO + MnO2 =>
15 Pb(N3)2 + 44 Cr(MnO4)2 = 22 Cr2O3 + 5 Pb3O4 + 90 NO + 88 MnO2
K2[HgI4] + KBr = K[HgI4] + K2Br =>
K2[HgI4] + KBr = K[HgI4] + K2Br
CO(g) + H2(g) = CH3OH(l) =>
CO(g) + 2 H2(g) = CH3OH(l)
NaOH(aq) + Cu(NO3)2 = Cu(OH)2 + NaNO3(aq) =>
2 NaOH(aq) + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3(aq)
As2S5 + KOH = K3AsS4 + K3AsO4 + H2O =>
4 As2S5 + 24 KOH = 5 K3AsS4 + 3 K3AsO4 + 12 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Cu + HN2O6 = CuN2O6 + H2 =>
2 Cu + 2 HN2O6 = 2 CuN2O6 + H2
C6H11OH + K2Cr2O7 + H2SO4 = C6H11O + K2SO4 + Cr2(SO4)3 + H2O =>
6 C6H11OH + K2Cr2O7 + 4 H2SO4 = 6 C6H11O + K2SO4 + Cr2(SO4)3 + 7 H2O
LiOH + Zn(OH)2 = Li2[Zn(OH)4] =>
2 LiOH + Zn(OH)2 = Li2[Zn(OH)4]
MgO + HBr = Mg + Br2 + H2O =>
MgO + 2 HBr = Mg + Br2 + H2O
SO3 + H2O = H2O7S2 =>
2 SO3 + H2O = H2O7S2
N28(g) + H2(g) = NH3(g) =>
N28(g) + 42 H2(g) = 28 NH3(g)
HCl + Fe(NO2)3 = FeCl3 + HNO2 =>
3 HCl + Fe(NO2)3 = FeCl3 + 3 HNO2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Al(OH)3 + HBr = AlBr3 + H2O = CO2 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Br2(g) + H2O(i) + SO2(g) = HBr(aq) + H2SO4(aq) =>
Br2(g) + 2 H2O(i) + SO2(g) = 2 HBr(aq) + H2SO4(aq)
N2 + O3 = NO2 =>
3 N2 + 4 O3 = 6 NO2
Fe + AgNO3 = FeNO3Ag =>
Fe + AgNO3 = FeNO3Ag
PbCl5 + H2O = H3PbO4 + HCl =>
PbCl5 + 4 H2O = H3PbO4 + 5 HCl
LiOH + Fe(NO3)3 = LiNO3 + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 LiNO3 + Fe(OH)3
In + O = In2O =>
2 In + O = In2O
Fe2(SO4)3 + K2CO3 + H2O = K2SO4 + Fe(OH)3 + H2CO3 =>
Fe2(SO4)3 + 3 K2CO3 + 6 H2O = 3 K2SO4 + 2 Fe(OH)3 + 3 H2CO3
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
K2C2O4 + FeCl3 = FeK3(C2O4)3 + KCl =>
3 K2C2O4 + FeCl3 = FeK3(C2O4)3 + 3 KCl
KMnO4 + H2SO4 + FeSO4 = MnSO4 + K2SO4 + H2O + Fe2(SO4)3 =>
2 KMnO4 + 8 H2SO4 + 10 FeSO4 = 2 MnSO4 + K2SO4 + 8 H2O + 5 Fe2(SO4)3
[CrO4]{2-} + H2O + Cu = Cr(OH)3 + Cu(OH)2 + [OH]{-} =>
2[CrO4]{2-} + 8 H2O + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4[OH]{-}
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
CuO(s) + H2(g) = Cu(s) + H2O(i) =>
CuO(s) + H2(g) = Cu(s) + H2O(i)
HCl(aq) + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl(aq) + CaCO3 = CO2 + H2O + CaCl2
HBr + KHCO3 = H2O + KBr + CO2 =>
HBr + KHCO3 = H2O + KBr + CO2
FeS + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 FeS + 18 KMnO4 + 32 H2SO4 = 5 Fe2(SO4)3 + 9 K2SO4 + 18 MnSO4 + 32 H2O
HCl(g) + O2 = Cl2(g) + H2O =>
4 HCl(g) + O2 = 2 Cl2(g) + 2 H2O
CH3NH2(g) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
4 CH3NH2(g) + 9 O2(g) = 4 CO2(g) + 10 H2O(g) + 2 N2(g)
Pb(NO3)2(aq) + NaCl(s) = PbCl2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaCl(s) = PbCl2 + 2 NaNO3
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
Na2S(aq) + ZnCl2(aq) = ZnS(s) + NaCl(aq) =>
Na2S(aq) + ZnCl2(aq) = ZnS(s) + 2 NaCl(aq)
Pb(aq) + NaOH = PbOH(s) + Na(aq) =>
Pb(aq) + NaOH = PbOH(s) + Na(aq)
CuO + BaCrO4 = CuCrO4 + BaO =>
CuO + BaCrO4 = CuCrO4 + BaO
Cr2(SO4)3 + CH3COONa + H2O = Cr(OH)3 + CH3COOH + Na2SO4 =>
Cr2(SO4)3 + 6 CH3COONa + 6 H2O = 2 Cr(OH)3 + 6 CH3COOH + 3 Na2SO4
NiOOH + H2O = Ni(OH)2 + OH =>
NiOOH + H2O = Ni(OH)2 + OH
Cu + H2SO4 + H2O2 = CuSO4 + H2O =>
Cu + H2SO4 + H2O2 = CuSO4 + 2 H2O
C6H11NH2 + HCl = C6H11NH3Cl =>
C6H11NH2 + HCl = C6H11NH3Cl
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
ClO{-} + S2O3{+} + OH{-} = SO4{2-} + H2O + Cl{-} =>
5 ClO{-} + 2 S2O3{+} + 10 OH{-} = 4 SO4{2-} + 5 H2O + 5 Cl{-}
C2 + H2O = CO + H2 =>
C2 + 2 H2O = 2 CO + 2 H2
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