| Équations équilibrées la veille |
2 Cu + O2 = 2 CuO
CaO(s) + HCl(l) = CaCl2 + H2O =>
CaO(s) + 2 HCl(l) = CaCl2 + H2O
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Sb2{3+} + CO3{2-} + C = Sb + CO =>
2 Sb2{3+} + 3 CO3{2-} + 6 C = 4 Sb + 9 CO
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
CH3COOH + MgCO3 = MgCH3COO + CO2 + H2O =>
9 CH3COOH + 8 MgCO3 = 8 MgCH3COO + 10 CO2 + 6 H2O
H4IO6{-} + H3AsO3 = IO3{-} + H3AsO4 + H2O =>
H4IO6{-} + H3AsO3 = IO3{-} + H3AsO4 + 2 H2O
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
UO2(NO3)2 + H2O = UO2(OH)2 + HNO3 =>
UO2(NO3)2 + 2 H2O = UO2(OH)2 + 2 HNO3
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
Fe2(TeO4)3 + U(TeO3)2 = U(TeO4)2 + Fe2(TeO3)3 =>
2 Fe2(TeO4)3 + 3 U(TeO3)2 = 3 U(TeO4)2 + 2 Fe2(TeO3)3
(NH4)2CO3 + HNO2 = NO + H2O + CO2 =>
(NH4)2CO3 + 10 HNO2 = 12 NO + 9 H2O + CO2
CaCl2(aq) + Al2(SO4)3(aq) = CaSO4(aq) + AlCl3(aq) =>
3 CaCl2(aq) + Al2(SO4)3(aq) = 3 CaSO4(aq) + 2 AlCl3(aq)
XHIO3 + FeI + HCl = XFeCl3 + ICl + H2O =>
XHIO3 + FeI + 5 HCl = XFeCl3 + 2 ICl + 3 H2O
ZrB2 + Zr3N2 + Zr = Zr3BN =>
ZrB2 + Zr3N2 + 2 Zr = 2 Zr3BN
NaOH + P = P(OH)2 + Na =>
2 NaOH + P = P(OH)2 + 2 Na
Mn + ClO3 = MnO2 + ClO2 =>
Mn + 2 ClO3 = MnO2 + 2 ClO2
MgO + SiO2 = MgSiO3 =>
MgO + SiO2 = MgSiO3
Al2(SO4)3(ag) + Ba(OH)2(ag) = Al(OH)3(s) + BaSO4(s) =>
Al2(SO4)3(ag) + 3 Ba(OH)2(ag) = 2 Al(OH)3(s) + 3 BaSO4(s)
H203 = H202 =>
202 H203 = 203 H202
C7H7O2N + Na2Cr2O7 + H2SO4 = C7H7NO4 + Na2SO4 + Cr2(SO4)3 + H2O =>
3 C7H7O2N + 2 Na2Cr2O7 + 8 H2SO4 = 3 C7H7NO4 + 2 Na2SO4 + 2 Cr2(SO4)3 + 8 H2O
MnO4{-} + HCOO{-} + H3O{+} = MnO2 + CO2 + H2O =>
2 MnO4{-} + 3 HCOO{-} + 5 H3O{+} = 2 MnO2 + 3 CO2 + 9 H2O
CH3COCl = CH3CO{-} + Cl{+} =>
CH3COCl = CH3CO{-} + Cl{+}
[Co(NH3)5Cl]{2+} + OH{-} = [Co(NH3)5OH]{2+} + Cl{-} =>
[Co(NH3)5Cl]{2+} + OH{-} = [Co(NH3)5OH]{2+} + Cl{-}
NaAl(OH)4 + H2SO4 = Al2(SO4)3 + NaOH + H2O =>
2 NaAl(OH)4 + 3 H2SO4 = Al2(SO4)3 + 2 NaOH + 6 H2O
Ba + N2 = Ba(N3)2 =>
Ba + 3 N2 = Ba(N3)2
Cr(OH)2 + BaO = Ba(CrO2) + H2O =>
Cr(OH)2 + BaO = Ba(CrO2) + H2O
KCl + NaI = KINaCl =>
KCl + NaI = KINaCl
CH2BrCH3 + Na = CH3CH2CH2CH3 + NaBr =>
2 CH2BrCH3 + 2 Na = CH3CH2CH2CH3 + 2 NaBr
Fe + Br2Cu = Cu + Br2Fe =>
Fe + Br2Cu = Cu + Br2Fe
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
K4[Fe(cn)6] + H2O + O3 = K3[Fe(cn)6] + KOH =>
6 K4[Fe(cn)6] + 3 H2O + O3 = 6 K3[Fe(cn)6] + 6 KOH
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
H2SO4 + Fr(OH)2 = H2O + FrSO4 =>
H2SO4 + Fr(OH)2 = 2 H2O + FrSO4
PbO(s) + NaCl(aq) + H2O(l) + CO2(g) = Pb2Cl2CO3(s) + NaOH(aq) =>
2 PbO(s) + 2 NaCl(aq) + H2O(l) + CO2(g) = Pb2Cl2CO3(s) + 2 NaOH(aq)
NaH2PO4 + KOH = H2O + NaKHPO4 =>
NaH2PO4 + KOH = H2O + NaKHPO4
CH3H7OH(l) + O2(g) = CO2(g) + H2O(g) =>
4 CH3H7OH(l) + 13 O2(g) = 4 CO2(g) + 22 H2O(g)
Al(OH)3 + P = AlP + OH =>
Al(OH)3 + P = AlP + 3 OH
C7O2H6 + C8O2H18 = C22H26O4 + H2O =>
2 C7O2H6 + C8O2H18 = C22H26O4 + 2 H2O
CoBr3 + Li = LiBr + Co =>
CoBr3 + 3 Li = 3 LiBr + Co
(NH4)2CO3 + Al(NO3)3 = NH4NO3 + Al2(CO3)3 =>
3(NH4)2CO3 + 2 Al(NO3)3 = 6 NH4NO3 + Al2(CO3)3
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
NaCl + O2 = NaClO2 =>
NaCl + O2 = NaClO2
HBO2 + KOH = K3BO3 + H2O =>
HBO2 + 3 KOH = K3BO3 + 2 H2O
FeCl3 + Na2SO3 + H2O = Fe2(SO4)3 + NaCl + H2 =>
2 FeCl3 + 3 Na2SO3 + 3 H2O = Fe2(SO4)3 + 6 NaCl + 3 H2
Cu2O + Mg = MgO + Cu =>
Cu2O + Mg = MgO + 2 Cu
Fe0 + CO2 = Fe3O4 + CO =>
3 Fe0 + 4 CO2 = Fe3O4 + 4 CO
HCl + HCu = CuCl2 + H2 =>
4 HCl + 2 HCu = 2 CuCl2 + 3 H2
KHCO3 + Ca(OH)2 = CaCO3 + H2O + K2CO3 =>
2 KHCO3 + Ca(OH)2 = CaCO3 + 2 H2O + K2CO3
Al2(SO4)3 + NaOH = Na2SO4 + Al + OH =>
Al2(SO4)3 + 6 NaOH = 3 Na2SO4 + 2 Al + 6 OH
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