| Équations équilibrées la veille |
2 H2SO3 + Cr(OH)2 = Cr(HSO3)2 + 2 H2O
Cl2(g) + Br{-}(aq) = Cl{-}(aq) + Br2(l) =>
Cl2(g) + 2 Br{-}(aq) = 2 Cl{-}(aq) + Br2(l)
NH2CH2CH2NH2 + NiCl2*6H2O = [Ni(NH2CH2CH2NH2)3Cl2] + H2O =>
3 NH2CH2CH2NH2 + NiCl2*6H2O = [Ni(NH2CH2CH2NH2)3Cl2] + 6 H2O
NaCrO4 + HCl = NaCl + CrCl3 + Cl2 + H2O =>
NaCrO4 + 8 HCl = NaCl + CrCl3 + 2 Cl2 + 4 H2O
Al(NO3)3 + Na(PO4)2 = Al(PO4)2 + Na(NO3)3 =>
Al(NO3)3 + Na(PO4)2 = Al(PO4)2 + Na(NO3)3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2S + Cd(OH)2 = CdS + H2O =>
H2S + Cd(OH)2 = CdS + 2 H2O
Zn(CH3COO)2 + Na2CO3 = ZnCO3 + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2CO3 = ZnCO3 + Na2(CH3COO)2
Fe((NO3)3)9H2O + C2H6O2 = Fe3O4 + CO2 + H2O + N2 =>
30 Fe((NO3)3)9H2O + 478 C2H6O2 = 10 Fe3O4 + 956 CO2 + 1464 H2O + 405 N2
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
MnSO4 + H2C2O4 = MnC2O4 + H2SO4 =>
MnSO4 + H2C2O4 = MnC2O4 + H2SO4
Na2Co3 + CaBr2 = CaCo3 + Na2Br2 =>
Na2Co3 + CaBr2 = CaCo3 + Na2Br2
S + NaOH = NaS + Na2S2O3 + H2O =>
6 S + 6 NaOH = 4 NaS + Na2S2O3 + 3 H2O
NaOCl + H2O = HOCl + NaOH =>
NaOCl + H2O = HOCl + NaOH
H2O + OH{-} + P4 = H2PO2{-} + PH3 =>
3 H2O + 3 OH{-} + P4 = 3 H2PO2{-} + PH3
CuCl + F2 = CuF + Cl2 =>
2 CuCl + F2 = 2 CuF + Cl2
CaCl + NH4OH = ClNH4 + CaOH =>
CaCl + NH4OH = ClNH4 + CaOH
Ag2O + NaCl = AgCl + Na2O =>
Ag2O + 2 NaCl = 2 AgCl + Na2O
NO + HNO3 = NO2 + H2O =>
NO + 2 HNO3 = 3 NO2 + H2O
Al + CH3COOH = Al(CH3COO)3 + H2 =>
2 Al + 6 CH3COOH = 2 Al(CH3COO)3 + 3 H2
NaCl + Ag3N = AgCl + Na3N =>
3 NaCl + Ag3N = 3 AgCl + Na3N
KIO3 + KI + HCl = KCl + I2 + H2O =>
KIO3 + 5 KI + 6 HCl = 6 KCl + 3 I2 + 3 H2O
TiO2 + Na2CO3 = Na2Ti6O13 + CO2 =>
6 TiO2 + Na2CO3 = Na2Ti6O13 + CO2
Cu2S + O2 + C = SO2 + CuCO =>
Cu2S + 2 O2 + 2 C = SO2 + 2 CuCO
Na2Co3 + CaBr2 = CaCo3 + Na2Br2 =>
Na2Co3 + CaBr2 = CaCo3 + Na2Br2
Mg + Hg(NO3)2 = Hg + Mg(NO3)2 =>
Mg + Hg(NO3)2 = Hg + Mg(NO3)2
Pb(s) + HCl(aq) = PbCl2 + H2 =>
Pb(s) + 2 HCl(aq) = PbCl2 + H2
FeCl3 + CuO = CuCl2 + Fe2O3 =>
2 FeCl3 + 3 CuO = 3 CuCl2 + Fe2O3
MnO4{-} + H2S2O3 + H{+} = Mn{2+} + HSO4{-} + H2 =>
10 MnO4{-} + 8 H2S2O3 + 14 H{+} = 10 Mn{2+} + 16 HSO4{-} + 7 H2
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
Na2CO3 + Ca(ClO)2 = NaClO + CaCO3 =>
Na2CO3 + Ca(ClO)2 = 2 NaClO + CaCO3
Na2Co3 + CaBr2 = CaCo3 + Na2Br2 =>
Na2Co3 + CaBr2 = CaCo3 + Na2Br2
H3Po4(aq) + KOH(aq) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(aq) = 3 H2O(l) + K3Po4(aq)
Ca(OH)2(s) + HCl(ac) = CaCl2(ac) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(ac) = CaCl2(ac) + 2 H2O(l)
Co(NO3)2 + Na2CO3 = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2CO3 = CoCO3 + 2 NaNO3
Al(NO3)3(aq) + NH3(aq) + H20(l) = Al(OH)3(s) + NH4NO3(aq) =>
5 Al(NO3)3(aq) + 5 NH3(aq) + 2 H20(l) = 5 Al(OH)3(s) + 10 NH4NO3(aq)
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
KOH(aq) + H3PO4(aq) = K3PO4(aq) + H2O(l) =>
3 KOH(aq) + H3PO4(aq) = K3PO4(aq) + 3 H2O(l)
Na2Co3 + CaBr2 = CaCo3 + Na2Br2 =>
Na2Co3 + CaBr2 = CaCo3 + Na2Br2
KI + H2O2 + H2SO4 = H2O + I2 + K2SO4 =>
2 KI + H2O2 + H2SO4 = 2 H2O + I2 + K2SO4
Mg(OH)2 + NaCl = HCl + MgO + Na2O =>
Mg(OH)2 + 2 NaCl = 2 HCl + MgO + Na2O
Cu3(PO4)2 + H2SO4 = CuSO4 + H3PO4 =>
Cu3(PO4)2 + 3 H2SO4 = 3 CuSO4 + 2 H3PO4
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
KI + H2O2 + H2SO4 = H2O + I2 + K2SO4 =>
2 KI + H2O2 + H2SO4 = 2 H2O + I2 + K2SO4
K2Cr2O7 + FeCl2 + HCl = KCl + FeCl3 + CrCl3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 KCl + 6 FeCl3 + 2 CrCl3 + 7 H2O
K2MnO4 + KI + H2SO4 = MnSO4 + I + H2O + K2SO4 =>
K2MnO4 + 4 KI + 4 H2SO4 = MnSO4 + 4 I + 4 H2O + 3 K2SO4
ZnS(s) + O2 = ZnO(g) + SO2(g) =>
2 ZnS(s) + 3 O2 = 2 ZnO(g) + 2 SO2(g)
KClO3 = KCl + KClO5 =>
5 KClO3 = 2 KCl + 3 KClO5
C6H5COC6H5 + NaBH4 + CH3OH = (C6H5)2CHOH + (CH3O)BNa =>
5 C6H5COC6H5 + 2 NaBH4 + 2 CH3OH = 5(C6H5)2CHOH + 2(CH3O)BNa
CHCl3 + Cl2 = CCl4 + HCl =>
CHCl3 + Cl2 = CCl4 + HCl
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Équations équilibrées sur01/09/25
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