| Équations équilibrées la veille |
6 NaHCO3 + Al2(SO3)3 = 3 Na2SO3 + 2 Al(HCO3)3
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
H2SO4 + MnO = MnSO4 + H2O =>
H2SO4 + MnO = MnSO4 + H2O
MnCl2 + Zn(NO3)2 = ZnCl2 + Mn(NO3)2 =>
MnCl2 + Zn(NO3)2 = ZnCl2 + Mn(NO3)2
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
X(s) + HCl(aq) = XCl3(aq) + H2(g) =>
2 X(s) + 6 HCl(aq) = 2 XCl3(aq) + 3 H2(g)
C2H4Cl2 + Na2CO3 + H2O = C2H6O2 + NaCl + CO2 =>
C2H4Cl2 + Na2CO3 + H2O = C2H6O2 + 2 NaCl + CO2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Na + Al(OH)3 = Al + NaOH =>
3 Na + Al(OH)3 = Al + 3 NaOH
Mg + AlCl3 = MgCl2 + Al =>
3 Mg + 2 AlCl3 = 3 MgCl2 + 2 Al
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
CaF2 + Na2S = CaS + NaF =>
CaF2 + Na2S = CaS + 2 NaF
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
H2S + CoCl3 = CoCl2 + S + HCl =>
H2S + 2 CoCl3 = 2 CoCl2 + S + 2 HCl
Cd(OH)3 + H3PO4 = CdPO4 + H2O =>
Cd(OH)3 + H3PO4 = CdPO4 + 3 H2O
MnBr2 + NH3 + H2O = Mn(OH)2 + NH4Br =>
MnBr2 + 2 NH3 + 2 H2O = Mn(OH)2 + 2 NH4Br
H2SO4 + KOH = (K)2SO4 + H2O =>
H2SO4 + 2 KOH = (K)2SO4 + 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
HCI = H2 + CI1 =>
2 HCI = H2 + 2 CI1
H2O + CO2 = C7H8 + O2 =>
4 H2O + 7 CO2 = C7H8 + 9 O2
O4 = O3 =>
3 O4 = 4 O3
Na2S = Na + S =>
Na2S = 2 Na + S
CH3COOH + Mg(OH)2 = Mg(C2H3O2)2 + H2O =>
2 CH3COOH + Mg(OH)2 = Mg(C2H3O2)2 + 2 H2O
Cr(OH)3 + NaOH + H2O = Na[Cr(OH)4(H2O)2] =>
Cr(OH)3 + NaOH + 2 H2O = Na[Cr(OH)4(H2O)2]
N2O3 = N2 + O2 =>
2 N2O3 = 2 N2 + 3 O2
S + H2O2 = SO3 + H2O =>
S + 3 H2O2 = SO3 + 3 H2O
KOH + H2SIO3 = K2SIO3 + H2O =>
2 KOH + H2SIO3 = K2SIO3 + 2 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(CN)6{4-} + Cl2 = Fe(CN)6{3-} + Cl{-} =>
2 Fe(CN)6{4-} + Cl2 = 2 Fe(CN)6{3-} + 2 Cl{-}
Cu + S = Cu6S =>
6 Cu + S = Cu6S
Na2S2O3 + H2SO4 = Na2SO4 + H2O + S =>
3 Na2S2O3 + H2SO4 = 3 Na2SO4 + H2O + 4 S
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + Na(NO3) =>
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + 2 Na(NO3)
CaCO3(s) + C4H5KO6(aq) = C4H4CaO6(s) + C4H4K2O6(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 C4H5KO6(aq) = C4H4CaO6(s) + C4H4K2O6(aq) + CO2(g) + H2O(l)
FeI + NaOH = FeOH + NaI =>
FeI + NaOH = FeOH + NaI
(HCOO)2Cu + NaOH = (HCOO)2OH + NaCu =>
(HCOO)2Cu + NaOH = (HCOO)2OH + NaCu
Cu + S = Cu6S =>
6 Cu + S = Cu6S
C3H6 + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C3H6 + 2 KMnO4 + 3 H2SO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 3 H2O
CaS + O2 = Ca + SO2 =>
CaS + O2 = Ca + SO2
MnS + HCl = Mn + H2S + Cl =>
MnS + 2 HCl = Mn + H2S + 2 Cl
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
AI + NaOH = AIOH + Na =>
AI + NaOH = AIOH + Na
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
NaNO3 = NaO2 + O2 + N2 =>
2 NaNO3 = 2 NaO2 + O2 + N2
Fe + Ni2O3 + H2O = Fe(OH)2 + Ni(OH)2 =>
Fe + Ni2O3 + 3 H2O = Fe(OH)2 + 2 Ni(OH)2
Fe(s) + O2(g) = Fe3O4(s) =>
3 Fe(s) + 2 O2(g) = Fe3O4(s)
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
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