| Équations équilibrées la veille |
FeCl3 + 3 KSCN = FeS3C3N3 + 3 KCl
Fe2O3 + Mn2O3 + GeO2 + SnO2 + Sn = FeMn3Ge2Sn7O16 =>
Fe2O3 + 3 Mn2O3 + 4 GeO2 + 6 SnO2 + 8 Sn = 2 FeMn3Ge2Sn7O16
H2C6H6O6 + NaOH = NaC6H6O6 + H3O =>
H2C6H6O6 + NaOH = NaC6H6O6 + H3O
RuO4 + HCl = H2RuCl6 + H2O + Cl2 =>
RuO4 + 10 HCl = H2RuCl6 + 4 H2O + 2 Cl2
Cr2O7{-2} + CH3OH + H3O{+} = Cr{+3} + HCO2H + H2O =>
2 Cr2O7{-2} + 3 CH3OH + 16 H3O{+} = 4 Cr{+3} + 3 HCO2H + 27 H2O
HCl + CaO = CaCl2H2O =>
2 HCl + CaO = CaCl2H2O
NH4Cl(aq) + KOH(aq) = NH4OH(aq) + KCl(aq) =>
NH4Cl(aq) + KOH(aq) = NH4OH(aq) + KCl(aq)
H3 + PO4 + NaOH = Na3PO4 + H2O =>
H3 + PO4 + 3 NaOH = Na3PO4 + 3 H2O
NH4 + H2O = NH5 + OH =>
NH4 + H2O = NH5 + OH
(NH4)2S + HgBr2 = NH4Br + HgS =>
(NH4)2S + HgBr2 = 2 NH4Br + HgS
CU[NO3]2 = CUO + NO2 + O2 =>
2 CU[NO3]2 = 2 CUO + 4 NO2 + O2
Mg2 + H2O = Mg(OH)2 + H =>
Mg2 + 4 H2O = 2 Mg(OH)2 + 4 H
Ni2ClO3 = Ni2Cl + O =>
Ni2ClO3 = Ni2Cl + 3 O
C2H6 + Br2 = C2H4Br2 + HBr =>
C2H6 + 2 Br2 = C2H4Br2 + 2 HBr
K3[Cr(OH)6] = KCrO2 + KOH + H2O =>
K3[Cr(OH)6] = KCrO2 + 2 KOH + 2 H2O
S2O3{-2} + Cl2 + H2O = SO4{-2} + Cl{-} + H{+} =>
S2O3{-2} + 4 Cl2 + 5 H2O = 2 SO4{-2} + 8 Cl{-} + 10 H{+}
P4O10 + H2SO4 = H3PO4 + SO3 =>
P4O10 + 6 H2SO4 = 4 H3PO4 + 6 SO3
NaCl(aq) + Pb(CH3COO)2(aq) = Na(CH3COO)(aq) + PbCl2(s) =>
2 NaCl(aq) + Pb(CH3COO)2(aq) = 2 Na(CH3COO)(aq) + PbCl2(s)
NH2OH = H2 + N2O + O2 =>
4 NH2OH = 6 H2 + 2 N2O + O2
BaO + K3PO4 = BaPO4 + K3O =>
BaO + K3PO4 = BaPO4 + K3O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C4H8O2 + KOH = C4H7O2K + H2O =>
C4H8O2 + KOH = C4H7O2K + H2O
Al + H2SeO4 = AlSeO4 + H2 =>
Al + H2SeO4 = AlSeO4 + H2
KClO3 + KCl = KClO2 =>
2 KClO3 + KCl = 3 KClO2
CaSO4 + BaCl2 = BaSO4 + CaCl2 =>
CaSO4 + BaCl2 = BaSO4 + CaCl2
Na2CO3 + HClO4 = CO2 + H2O + NaClO4 =>
Na2CO3 + 2 HClO4 = CO2 + H2O + 2 NaClO4
Na2S + Zn = Na + Zn2S =>
Na2S + 2 Zn = 2 Na + Zn2S
(NH4)2CO3(aq) + CaCl2(aq) = (NH4)2Cl2 + CaCO3 =>
(NH4)2CO3(aq) + CaCl2(aq) = (NH4)2Cl2 + CaCO3
Ba(OH)2 + Li3PO4 = Ba3(PO4)2 + Li + OH =>
3 Ba(OH)2 + 2 Li3PO4 = Ba3(PO4)2 + 6 Li + 6 OH
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NaI + CUSO4 = Na2SO4 + CUI2 =>
2 NaI + CUSO4 = Na2SO4 + CUI2
NaCH3COO + H2SO4 = CH3COOH + NaHSO4 =>
NaCH3COO + H2SO4 = CH3COOH + NaHSO4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Fe(NO3)2 + HCl = FeCl2 + H(NO3) =>
Fe(NO3)2 + 2 HCl = FeCl2 + 2 H(NO3)
Li + As = Li3As =>
3 Li + As = Li3As
H2SO4(aq) = H(aq) + SO4(aq) =>
H2SO4(aq) = 2 H(aq) + SO4(aq)
MnSO4 + NaOH + O2 = MnO2 + Na2SO4 + H2O =>
2 MnSO4 + 4 NaOH + O2 = 2 MnO2 + 2 Na2SO4 + 2 H2O
Cl + H2O = HCl + O2 =>
4 Cl + 2 H2O = 4 HCl + O2
NaAl(OH)4 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 NaAl(OH)4 + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 8 H2O
CuSO4(aq) + H2O(aq) = CuO(aq) + H2SO4(aq) =>
CuSO4(aq) + H2O(aq) = CuO(aq) + H2SO4(aq)
ClCH2COOH + NH3 = NH2CH2COOH + HCl =>
ClCH2COOH + NH3 = NH2CH2COOH + HCl
HN3 + H2O = H3O + N =>
HN3 + H2O = H3O + 3 N
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
YbBr2 + KMnO4 + H2SO4 = YbBr3 + Yb2(SO4)3 + KBr + MnSO4 + H2O =>
5 YbBr2 + KMnO4 + 4 H2SO4 = 3 YbBr3 + Yb2(SO4)3 + KBr + MnSO4 + 4 H2O
KNO3 + H2O = KOH + HNO3 =>
KNO3 + H2O = KOH + HNO3
S + H2O = SO2 + H2 =>
S + 2 H2O = SO2 + 2 H2
Ca(NO3)2(aq) + KCl(aq) = CaCl(aq) + K(NO3)2(aq) =>
Ca(NO3)2(aq) + KCl(aq) = CaCl(aq) + K(NO3)2(aq)
NaOH(aq) + H2CO3(aq) = Na2CO3 + H2O(l) =>
2 NaOH(aq) + H2CO3(aq) = Na2CO3 + 2 H2O(l)
AsH3 + K2Cr2O7 + H2SO4 = H3AsO4 + Cr2(SO4) + K2SO4 + H2O =>
5 AsH3 + 4 K2Cr2O7 + 8 H2SO4 = 5 H3AsO4 + 4 Cr2(SO4) + 4 K2SO4 + 8 H2O
HBr = H + Br =>
HBr = H + Br
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