| Équations équilibrées la veille | Équations équilibrées le lendemain |
K4[Fe(CN)6] + KNO2 + H2SO4 = NO + K3[Fe(CN)6] + K2SO4 + H2O
Al + HCl + H2O2 = AlCl2 + H2O =>
Al + 2 HCl + H2O2 = AlCl2 + 2 H2O
C12H22O11 + O2 = CO2 + H2O = =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NaN3(g) = Na(g) + N2(g) =>
2 NaN3(g) = 2 Na(g) + 3 N2(g)
Ca(OH)2 + (NH4)3PO4 = Ca3(PO4)2 + NH3 + H2O =>
3 Ca(OH)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH3 + 6 H2O
H2O + Ba3N2 = Ba(OH)2 + NH3 =>
6 H2O + Ba3N2 = 3 Ba(OH)2 + 2 NH3
CH4N2O = CH4 + N2O =>
CH4N2O = CH4 + N2O
CaCl2(aq) + Na2CO3(S) = CaCO3(S) + Na2Cl2(aq) =>
CaCl2(aq) + Na2CO3(S) = CaCO3(S) + Na2Cl2(aq)
Li2S + SnS2 + LiCl = Li67Sn10S47Cl13 =>
27 Li2S + 10 SnS2 + 13 LiCl = Li67Sn10S47Cl13
Cr(NO3)3 + K2CO3 + H2O = Cr(OH)3 + CO2 + KNO3 =>
2 Cr(NO3)3 + 3 K2CO3 + 3 H2O = 2 Cr(OH)3 + 3 CO2 + 6 KNO3
MgCl2 + K3(PO4) = Mg3(PO4)2 + KCl =>
3 MgCl2 + 2 K3(PO4) = Mg3(PO4)2 + 6 KCl
K + Ca(C2H3O2)2 = K(C2H3O2)2 + Ca =>
K + Ca(C2H3O2)2 = K(C2H3O2)2 + Ca
CH4N2O = C2H5N3O2 + NH3 =>
2 CH4N2O = C2H5N3O2 + NH3
Al{+3} + NH3 + H2O = Al(OH)3 + NH4{+} =>
Al{+3} + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4{+}
KMnO4 + H2SO4 + C8H8 = C7H6O2 + K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 12 H2SO4 + 7 C8H8 = 8 C7H6O2 + 4 K2SO4 + 8 MnSO4 + 16 H2O
SrO + NaOH = H2O + Na2SrO2 =>
SrO + 2 NaOH = H2O + Na2SrO2
CH4N2O = C + H + N + O =>
CH4N2O = C + 4 H + 2 N + O
Al + HCl + H2O = [Al(H2O)]Cl3 + H2 =>
2 Al + 6 HCl + 2 H2O = 2[Al(H2O)]Cl3 + 3 H2
CH4N2O = C3H6N6 + CO2 + NH3 =>
6 CH4N2O = C3H6N6 + 3 CO2 + 6 NH3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
CH2OHCHOHCH2OH + HNO3 = CH2ONO2CHONO2CH2ONO2 + H2O =>
CH2OHCHOHCH2OH + 3 HNO3 = CH2ONO2CHONO2CH2ONO2 + 3 H2O
Na2CrO7 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO7 + 9 NaNO2 + 5 H2SO4 = 9 NaNO3 + Cr2(SO4)3 + 2 Na2SO4 + 5 H2O
CH4N2O = NH3 + HNCO =>
CH4N2O = NH3 + HNCO
Cu(s) + NaCl(aq) = CuCl + Na =>
Cu(s) + NaCl(aq) = CuCl + Na
C3H7C2H5CH2OH + O2 = CO2 + H2O =>
4 C3H7C2H5CH2OH + 37 O2 = 24 CO2 + 30 H2O
(C6H5)2CO + NaBH4 = (C6H5)2CHOH + NaB =>
2(C6H5)2CO + NaBH4 = 2(C6H5)2CHOH + NaB
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Cu(NO3)2 + NH3 = N(NO3)2 + CuH3 =>
Cu(NO3)2 + NH3 = N(NO3)2 + CuH3
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
P4 + OH{-} + H2O = H2PO2{-} + PH3 =>
P4 + 3 OH{-} + 3 H2O = 3 H2PO2{-} + PH3
AgNO3 + NH4OH + CH3CHO = Ag + CH3COOH + NH4NO3 =>
6 AgNO3 + 4 NH4OH + 7 CH3CHO = 6 Ag + 7 CH3COOH + 5 NH4NO3
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2O + CO2 + N2 + H2O =>
5(NH4)2C2O4 + 8 KMnO4 + 8 H2SO4 = 8 MnSO4 + 4 K2O + 10 CO2 + 5 N2 + 28 H2O
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Mn(NO3)2 + Pb3O4 + H(NO3) = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 Pb3O4 + 26 H(NO3) = 2 HMnO4 + 15 Pb(NO3)2 + 12 H2O
KClO4 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO4 + 7 S + 4 H2O = 3 Cl2 + 3 K2SO4 + 4 H2SO4
KCO3 + CaCl = KCl + CaCO3 =>
KCO3 + CaCl = KCl + CaCO3
Fe(SO4) + K4[Fe(CN)6] = K2Fe[Fe(CN)6] + K2(SO4) =>
Fe(SO4) + K4[Fe(CN)6] = K2Fe[Fe(CN)6] + K2(SO4)
H + SO3 = H2O + SO2 =>
2 H + SO3 = H2O + SO2
CH4N2O = C3H3N3O3 + NH3 =>
3 CH4N2O = C3H3N3O3 + 3 NH3
Zn3S2 + O2 = ZnO + SO2 =>
2 Zn3S2 + 7 O2 = 6 ZnO + 4 SO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Be + O = BeO =>
Be + O = BeO
Ag2O + HCl = Ag2Cl2 + H2O =>
Ag2O + 2 HCl = Ag2Cl2 + H2O
Cl{-} + H{+} + MnO4{-} = Mn{+2} + Cl2 + H2O =>
10 Cl{-} + 16 H{+} + 2 MnO4{-} = 2 Mn{+2} + 5 Cl2 + 8 H2O
AgCl + NaNO3 = Ag(NO3) + NaCl =>
AgCl + NaNO3 = Ag(NO3) + NaCl
C7H5O3Na + HCl = C7H6O3 + NaCl =>
C7H5O3Na + HCl = C7H6O3 + NaCl
SO2 + H2O + Ca(OH)2 = CaSO3*2H2O =>
SO2 + H2O + Ca(OH)2 = CaSO3*2H2O
Na2SO4 + Sr(NO3)2 = NaNO3 + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 NaNO3 + SrSO4
Cu + H2SO4(aq) = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4(aq) = CuSO4 + 2 H2O + SO2
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