| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca(OH)2 + P2O5 = Ca3(PO4)2 + 3 H2O
KBr(aq) + CaS(aq) = K2S(aq) + CaBr2(s) =>
2 KBr(aq) + CaS(aq) = K2S(aq) + CaBr2(s)
Cr(OH)3 + NaOH = NaCrO2 + H2O =>
Cr(OH)3 + NaOH = NaCrO2 + 2 H2O
Al + H2S = Al2S + H2 =>
2 Al + H2S = Al2S + H2
C6H12O6 + Ca(OH)2 = CH3CH2OH + CaCO3 + H2O =>
C6H12O6 + 2 Ca(OH)2 = 2 CH3CH2OH + 2 CaCO3 + 2 H2O
NO2{-} + Cr2O7{2-} + H2O = Cr{3+} + NO3{-} + OH{-} =>
3 NO2{-} + Cr2O7{2-} + 4 H2O = 2 Cr{3+} + 3 NO3{-} + 8 OH{-}
Cl2 + CoI3 = I2 + Co3Cl =>
Cl2 + 6 CoI3 = 9 I2 + 2 Co3Cl
HCOOH + KOH = (HCOO)K + H2O =>
HCOOH + KOH = (HCOO)K + H2O
Cr2O7 + H2O = CrO2 + OH =>
Cr2O7 + 3 H2O = 2 CrO2 + 6 OH
Cr(NO3)2 + NaOH = Cr(OH)2 + Na(NO3) =>
Cr(NO3)2 + 2 NaOH = Cr(OH)2 + 2 Na(NO3)
(Cr(OH)2)2SO4 + HNO3 = Cr2(SO4)3 + Cr(NO3)3 + H2O =>
3(Cr(OH)2)2SO4 + 12 HNO3 = Cr2(SO4)3 + 4 Cr(NO3)3 + 12 H2O
Cu(NO3)2 + Ca(OH)2 = Cu(OH)2 + Ca(NO3)2 =>
Cu(NO3)2 + Ca(OH)2 = Cu(OH)2 + Ca(NO3)2
Na2CrO4 + SO2 = Na2SO4 + NaCrO3 =>
2 Na2CrO4 + SO2 = Na2SO4 + 2 NaCrO3
Ca + Br{2} = CaBr{2} =>
Ca + Br{2} = CaBr{2}
Rn + Xe = RnXe =>
Rn + Xe = RnXe
Ga2O3 + NH3 = GaN + H2O =>
Ga2O3 + 2 NH3 = 2 GaN + 3 H2O
As2O5 + Zn + H2SO4 = AsH3 + ZnSO4 + H2O =>
As2O5 + 8 Zn + 8 H2SO4 = 2 AsH3 + 8 ZnSO4 + 5 H2O
Na2SO4 + CCl4 = NaCl4 + C2SO4 =>
Na2SO4 + 2 CCl4 = 2 NaCl4 + C2SO4
(NH4)3PO4 + BaS = (NH4)2S + Ba3(PO4)2 =>
2(NH4)3PO4 + 3 BaS = 3(NH4)2S + Ba3(PO4)2
BaBr2 + KOH = Ba(OH)2 + KBr =>
BaBr2 + 2 KOH = Ba(OH)2 + 2 KBr
NH4Cl + Ca3(PO4)2 = (NH4)3PO4 + CaCl2 =>
6 NH4Cl + Ca3(PO4)2 = 2(NH4)3PO4 + 3 CaCl2
Fe(NO3)2 + Ae = Fe2O3 + Ae2O3 + NO2 =>
6 Fe(NO3)2 + 2 Ae = 3 Fe2O3 + Ae2O3 + 12 NO2
Fe + Cl3 + KSCN = FeSCN + KCl3 =>
Fe + Cl3 + KSCN = FeSCN + KCl3
NaS2 + Na = Na2S =>
NaS2 + 3 Na = 2 Na2S
FeCl3 + CH3COONH4 + H2O = Fe3O(CH3COO)7*3H2O + NH4Cl + HCl =>
3 FeCl3 + 7 CH3COONH4 + 4 H2O = Fe3O(CH3COO)7*3H2O + 7 NH4Cl + 2 HCl
C6H8O7 + NaHCO3 = CO2 + H2O + NaC6H5O7 =>
8 C6H8O7 + 9 NaHCO3 = 3 CO2 + 14 H2O + 9 NaC6H5O7
Pb(NO3)2 + NaOH = Pb(OH)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 Na(NO3)
P4 + O2 + H2O = H3PO4 =>
P4 + 5 O2 + 6 H2O = 4 H3PO4
Na2S + NiBr2 = NaBr + NiS =>
Na2S + NiBr2 = 2 NaBr + NiS
C6H5NH2 + HBr = C6H4Br3N + H2 =>
C6H5NH2 + 3 HBr = C6H4Br3N + 3 H2
P + Cl2 = P7Cl5 =>
14 P + 5 Cl2 = 2 P7Cl5
H2(H3PO4) + NaOH = H2O + Na2(H3PO4) =>
H2(H3PO4) + 2 NaOH = 2 H2O + Na2(H3PO4)
Cr(OH)2 + HCl = CrCl2 + H2O =>
Cr(OH)2 + 2 HCl = CrCl2 + 2 H2O
Na2SiO3 + Ba(OH)2 = NaOH + Ba2(SiO3)2 =>
2 Na2SiO3 + 2 Ba(OH)2 = 4 NaOH + Ba2(SiO3)2
NH3 + C6H6 + CO2 = C6H4NH2COOC2H5 =>
3 NH3 + 4 C6H6 + 3 CO2 = 3 C6H4NH2COOC2H5
[Cu(NH3)4]Cl2 + Na2S = CuS + NaCl + NH3 =>
[Cu(NH3)4]Cl2 + Na2S = CuS + 2 NaCl + 4 NH3
KHSO2 + H2SO4 = KHSO3 + SO2 + H2O =>
KHSO2 + H2SO4 = KHSO3 + SO2 + H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Li2CO3 + HNO3 = LiNO3 + H2CO3 =>
Li2CO3 + 2 HNO3 = 2 LiNO3 + H2CO3
H2SO4 + Pb(C2H3O2)2 = PbSO4 + C2H4O2 =>
H2SO4 + Pb(C2H3O2)2 = PbSO4 + 2 C2H4O2
Br2 + e = Br{-} =>
Br2 + 2e = 2 Br{-}
Cs2MoO4 + MnMoO4 = Cs2Mn3(MoO4)4 =>
Cs2MoO4 + 3 MnMoO4 = Cs2Mn3(MoO4)4
NiSO4*7H2O = H2O + NiSO4 =>
NiSO4*7H2O = 7 H2O + NiSO4
Cl2(s)H2(g) = HCl =>
Cl2(s)H2(g) = 2 HCl
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
CrI3 + NaOH = NaI + Cr(OH)3 =>
CrI3 + 3 NaOH = 3 NaI + Cr(OH)3
Al2 + (SO4)318H2O + NaHCO3 = Al(OH)3 + CO2 + Na2SO4 + H2O =>
106.00000000001Al2 + (SO4)318H2O + 636.00000000004NaHCO3 = 212.00000000001Al(OH)3 + 636.00000000004CO2 + 318.00000000002Na2SO4 + H2O
Ba(NO2)2(aq) + Na2SO4(aq) = BaSO4(s) + NaNO2(aq) =>
Ba(NO2)2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaNO2(aq)
Ba(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ba(NO3)2 =>
Ba(OH)2 + Pb(NO3)2 = Pb(OH)2 + Ba(NO3)2
Ba(ClO3)2 + H2(SO4) = BaSO4 + HClO3 =>
Ba(ClO3)2 + H2(SO4) = BaSO4 + 2 HClO3
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