| Équations équilibrées la veille |
2 HBr + CuCO3 = CO2 + H2O + Cu(Br)2
Mg(NO3) + Na2CO3 = MgNa2 + CO3NO3 =>
Mg(NO3) + Na2CO3 = MgNa2 + CO3NO3
Cr + Ag{+} = Cr{2+} + Ag =>
Cr + 2 Ag{+} = Cr{2+} + 2 Ag
C36H28Cu2O16 + C3H4N2 = C39H32Cu2O16N2 =>
C36H28Cu2O16 + C3H4N2 = C39H32Cu2O16N2
TiO2 + CaCl2 + H2O = CaTiO3 + HCl =>
TiO2 + CaCl2 + H2O = CaTiO3 + 2 HCl
H3ClO = HCl + H2O =>
H3ClO = HCl + H2O
H3PO4(aq) + Ca(OH)2(aq) = Ca3(PO4)2(aq) + H2O =>
2 H3PO4(aq) + 3 Ca(OH)2(aq) = Ca3(PO4)2(aq) + 6 H2O
HNO3 + MgCO3 = MgNO3 + HCO3 =>
HNO3 + MgCO3 = MgNO3 + HCO3
Mn(OH)2(s) + MnO4{-} + OH{-} = MnO4{2-} + H2O(l) =>
Mn(OH)2(s) + 4 MnO4{-} + 6 OH{-} = 5 MnO4{2-} + 4 H2O(l)
Na2HPO4 + H2O = H2 + NaOH + PO4 =>
2 Na2HPO4 + 4 H2O = 3 H2 + 4 NaOH + 2 PO4
K2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + I2 + Na2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 NaI = Cr2(SO4)3 + 3 I2 + 3 Na2SO4 + K2SO4 + 7 H2O
CaO + SO = Ca + SO3 =>
2 CaO + SO = 2 Ca + SO3
Fe + As = Fe102As100 =>
102 Fe + 100 As = Fe102As100
C10H16 + KMnO4 + H2O = C10H20O4 + MnO2 + K2O =>
3 C10H16 + 4 KMnO4 + 6 H2O = 3 C10H20O4 + 4 MnO2 + 2 K2O
ZnS + CuS = ZnCu + S =>
ZnS + CuS = ZnCu + 2 S
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
Na2HPO4 + KOH = K3PO4 + Na3PO4 + H2O =>
3 Na2HPO4 + 3 KOH = K3PO4 + 2 Na3PO4 + 3 H2O
FeCl3 + Ni(NO3)2 = Fe(NO3)2 + NiCl3 =>
FeCl3 + Ni(NO3)2 = Fe(NO3)2 + NiCl3
Ca(OH)2 + NaOH = CaO2 + H2O + Na =>
Ca(OH)2 + 2 NaOH = CaO2 + 2 H2O + 2 Na
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
CuSO4*Na3PO4 = CuSO4 + Na3PO4 =>
CuSO4*Na3PO4 = CuSO4 + Na3PO4
CH3CH2OH(l) + O2(g) = CO2(g) + H2O(g) =>
CH3CH2OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
C2H2O4*2H2O + O2 = CO2 + H2O =>
2 C2H2O4*2H2O + O2 = 4 CO2 + 6 H2O
C2H6O2 + O2 = CO2 + H2O =>
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
FeS2 + H2O + O2 = Fe2O3 + H2SO4 =>
4 FeS2 + 8 H2O + 15 O2 = 2 Fe2O3 + 8 H2SO4
NaAl(OH)4 + AlCl3 = Al(OH)3 + NaCl =>
3 NaAl(OH)4 + AlCl3 = 4 Al(OH)3 + 3 NaCl
CoCl2*6H2O + NH4Cl + NH3 + O2 = [Co(NH3)6]Cl3 + H2O =>
4 CoCl2*6H2O + 4 NH4Cl + 20 NH3 + O2 = 4[Co(NH3)6]Cl3 + 26 H2O
PH3 + O2 = P4O10 + H2O =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
KI + PbCrO4 = PbKI + CrO4 =>
KI + PbCrO4 = PbKI + CrO4
C7H5N3O6(s) = N2(g) + H2(g) + CO(g) + C(s) =>
2 C7H5N3O6(s) = 3 N2(g) + 5 H2(g) + 12 CO(g) + 2 C(s)
Zn(OH)2 + H2(SO4) = Zn(SO4) + HOH =>
Zn(OH)2 + H2(SO4) = Zn(SO4) + 2 HOH
KMnO4 + H2SO4 + CH3CHO = CH3OOCCOOH + K2SO4 + MnSO4 + H2O =>
14 KMnO4 + 21 H2SO4 + 15 CH3CHO = 10 CH3OOCCOOH + 7 K2SO4 + 14 MnSO4 + 31 H2O
Ba(OH) + HCOOH = H2O + Ba(COOH) =>
Ba(OH) + HCOOH = H2O + Ba(COOH)
Ni + PdCl2 = NiCl2 + Pd2 =>
2 Ni + 2 PdCl2 = 2 NiCl2 + Pd2
MnO2 + HCl + As203 = MnCl2 + AsO5 + H2O =>
1015 MnO2 + 2030 HCl + As203 = 1015 MnCl2 + 203 AsO5 + 1015 H2O
HCl + CsHCO3 = CsCl + H2O + CO2 =>
HCl + CsHCO3 = CsCl + H2O + CO2
NaHCO3 + HC2H3O = CO2 + H2O + NaC2H3O2 =>
5 NaHCO3 + 4 HC2H3O = 3 CO2 + 3 H2O + 5 NaC2H3O2
NaCl3 + F2 = NaF + Cl2 =>
2 NaCl3 + F2 = 2 NaF + 3 Cl2
C12H22O11 = C4H6 + CO2 + H2O =>
11 C12H22O11 = 24 C4H6 + 36 CO2 + 49 H2O
CaCO3(s) + HCl(aq) = H2CO3(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2CO3(g) + CaCl2(aq)
Na2SiO3 + AgNO3 = Ag2SiO3 + NaNO3 =>
Na2SiO3 + 2 AgNO3 = Ag2SiO3 + 2 NaNO3
Be(OH)2 + H2SO4 = Be2(SO4)2 + H2O =>
2 Be(OH)2 + 2 H2SO4 = Be2(SO4)2 + 4 H2O
CH3CH2OH + I2 + NaOH = CH3CHO + NaI + H2O =>
CH3CH2OH + I2 + 2 NaOH = CH3CHO + 2 NaI + 2 H2O
Zn + OH{-} = ZnO2{2-} + e + H2O =>
Zn + 4 OH{-} = ZnO2{2-} + 2e + 2 H2O
PbS + CO2 = PbCO3 + COS =>
PbS + 2 CO2 = PbCO3 + COS
S + H2O2 = H2SO4 + H2O =>
S + 3 H2O2 = H2SO4 + 2 H2O
KIO3 + HCl + Na2SO3 = KCl + Na2SO4 + I2 + H2O =>
2 KIO3 + 2 HCl + 5 Na2SO3 = 2 KCl + 5 Na2SO4 + I2 + H2O
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