| Équations équilibrées la veille |
C3H4O2 + 3 OH = 2 H2O + 3 CHO
C6H5COOH + HNO3 = C6H4COOHNO2 + H2O =>
C6H5COOH + HNO3 = C6H4COOHNO2 + H2O
Zn + NH4Cl = [Zn(NH3)4]Cl2 + HCl + H2 =>
Zn + 4 NH4Cl = [Zn(NH3)4]Cl2 + 2 HCl + H2
Al(OH)3 + C = H2O + Al + CO2 =>
4 Al(OH)3 + 3 C = 6 H2O + 4 Al + 3 CO2
C6H12O2N + O2 = CO2 + NO2 + H2O =>
C6H12O2N + 9 O2 = 6 CO2 + NO2 + 6 H2O
HF + CaCO3 = CO2 + CaF2 + H2O =>
2 HF + CaCO3 = CO2 + CaF2 + H2O
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
H2O + NiO2{-} + S{-2} = NiS + S + OH{-} =>
4 H2O + 2 NiO2{-} + 3 S{-2} = 2 NiS + S + 8 OH{-}
BaBr2 + Fe2(SO4)3 = Ba(SO4) + FeBr3 =>
3 BaBr2 + Fe2(SO4)3 = 3 Ba(SO4) + 2 FeBr3
B2O3 + H2O = B(OH)4 + H3O =>
B2O3 + 7 H2O = 2 B(OH)4 + 2 H3O
K2SO4 + AlCl3 = Al2(SO4)3 + KCl =>
3 K2SO4 + 2 AlCl3 = Al2(SO4)3 + 6 KCl
NH4NO3(aq) = N2O(g) + H2O(l) =>
NH4NO3(aq) = N2O(g) + 2 H2O(l)
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
C6H5NH2 + H2O = C6H5NH3{+} + OH{-} =>
C6H5NH2 + H2O = C6H5NH3{+} + OH{-}
PH3(g) + O2(g) = H3PO4(s) =>
PH3(g) + 2 O2(g) = H3PO4(s)
H02 + N2 = NH3 =>
3 H02 + N2 = 2 NH3
Cu + Na2SO4 = CuSO4 + Na =>
Cu + Na2SO4 = CuSO4 + 2 Na
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
Pbl2 + Pb(NO3)2 = NO3Pbl2 + Pb =>
2 Pbl2 + Pb(NO3)2 = 2 NO3Pbl2 + Pb
Mg + O = MgO =>
Mg + O = MgO
Ca(s) + Al(NO3)3 = Ca(NO3)2 + Al(s) =>
3 Ca(s) + 2 Al(NO3)3 = 3 Ca(NO3)2 + 2 Al(s)
CuS2 + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 CuS2 + 20 HNO3 = 3 Cu(NO3)2 + 6 H2SO4 + 14 NO + 4 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CO + K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + CO2 =>
3 CO + 2 K2FeO4 + 5 H2SO4 = Fe2(SO4)3 + 2 K2SO4 + 5 H2O + 3 CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
Cl + Mg(NO3)2 = Cl(NO3) + Mg =>
2 Cl + Mg(NO3)2 = 2 Cl(NO3) + Mg
FeI2 + CuNO32 = CuI + I2 + FeNO32 =>
2 FeI2 + 2 CuNO32 = 2 CuI + I2 + 2 FeNO32
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C(cr)C12H22O11(cr) = C(cr) + H2O(g) =>
C(cr)C12H22O11(cr) = 13 C(cr) + 11 H2O(g)
CH3OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 HCOOH + 11 H2O
Na2SO3(aq) + S(s) = Na2S2O3(aq) =>
Na2SO3(aq) + S(s) = Na2S2O3(aq)
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
KCN + NiSO4 = K2Ni(CN)4 + K2SO4 =>
4 KCN + NiSO4 = K2Ni(CN)4 + K2SO4
Li2CO3 + Sr(OH)2 = Li(OH)2 + Sr2CO3 =>
Li2CO3 + 2 Sr(OH)2 = 2 Li(OH)2 + Sr2CO3
KNO2 + H2O = KOH + HNO2 =>
KNO2 + H2O = KOH + HNO2
Fe + CuSO4 = Fe2(SO4)2 + Cu2 =>
2 Fe + 2 CuSO4 = Fe2(SO4)2 + Cu2
HNO3 + ZnHCO3 = H2O + CO2 + ZnNO3 =>
HNO3 + ZnHCO3 = H2O + CO2 + ZnNO3
KI + H2SO4 = K2SO4 + SO2 + H2O + I =>
2 KI + 2 H2SO4 = K2SO4 + SO2 + 2 H2O + 2 I
Zn + NaNO3 + NaOH = Na2Zn2O2 + NH3 + H2O =>
8 Zn + NaNO3 + 7 NaOH = 4 Na2Zn2O2 + NH3 + 2 H2O
C60 + Cl2 = C60Cl24 =>
C60 + 12 Cl2 = C60Cl24
HNO3 + CuS = NO2 + Cu(NO3)2 + H2O + SO2 =>
8 HNO3 + CuS = 6 NO2 + Cu(NO3)2 + 4 H2O + SO2
C8H4NO5S + H2O = CO2 + SO4 + NH4 + H =>
C8H4NO5S + 15 H2O = 8 CO2 + SO4 + NH4 + 30 H
Fe{4}O{3} + CO = Fe + CO{2} =>
Fe{4}O{3} + 2 CO = Fe + 2 CO{2}
H2(SO4) + (NH4)OH = H2O + (SO4)(NH4)2 =>
H2(SO4) + 2(NH4)OH = 2 H2O + (SO4)(NH4)2
K2S(aq) + HCl(aq) = KH(aq) + SCl2(g) =>
K2S(aq) + 2 HCl(aq) = 2 KH(aq) + SCl2(g)
KOH + H(SO4) = H2O + K(SO4) =>
KOH + H(SO4) = H2O + K(SO4)
Mg + Ni(NO3) = Mg(NO3)3 + Ni =>
Mg + 3 Ni(NO3) = Mg(NO3)3 + 3 Ni
Na2S2O2 = Na2SO4 + Na2S + S =>
2 Na2S2O2 = Na2SO4 + Na2S + 2 S
Cu(s) + C6H8O7(l) = C6H8CuO7 =>
Cu(s) + C6H8O7(l) = C6H8CuO7
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Équations équilibrées sur12/13/24
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