| Équations équilibrées la veille |
2(MnO4){-} + H2O + 3(NO2){-} = 2 MnO2 + 3(NO3){-} + 2(OH){-}
C2H5I + C2H5NH2 = [(C2H5)2NH2]I =>
C2H5I + C2H5NH2 = [(C2H5)2NH2]I
Cu3Zn + HCl = Cu3ZnCl + H2 =>
2 Cu3Zn + 2 HCl = 2 Cu3ZnCl + H2
Ta2O5 + KF + H2O = K2[TaOF5] + KOH =>
Ta2O5 + 10 KF + 3 H2O = 2 K2[TaOF5] + 6 KOH
HgNO3(aq) + NaOH(aq) = NaNO3(aq) + HgOH =>
HgNO3(aq) + NaOH(aq) = NaNO3(aq) + HgOH
HC3H5O2 + NaOH = CH3CH2COONa + H2O =>
HC3H5O2 + NaOH = CH3CH2COONa + H2O
MgO + NaOH = Na2O + Mg(OH)2 =>
MgO + 2 NaOH = Na2O + Mg(OH)2
CuSO4 + (NH2OH)HCl = CuHCl + SO4(NH2OH) =>
CuSO4 + (NH2OH)HCl = CuHCl + SO4(NH2OH)
Sb2S3 + O2(g) = Sb2O3(s) + SO2(g) =>
2 Sb2S3 + 9 O2(g) = 2 Sb2O3(s) + 6 SO2(g)
Al2(SO4)3 + Na2CO3 = Al2(CO3)3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2CO3 = Al2(CO3)3 + 3 Na2SO4
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
KOH + SO2 = K2SO3 + H2O =>
2 KOH + SO2 = K2SO3 + H2O
Li + S = LiS =>
Li + S = LiS
Na + Cl = NaCl =>
Na + Cl = NaCl
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
CH4(g) + S = CS2 + H2S(g) =>
CH4(g) + 4 S = CS2 + 2 H2S(g)
CH3CH2COOH + NH2OH = CH3CH2COONH2 + H2O =>
CH3CH2COOH + NH2OH = CH3CH2COONH2 + H2O
NH2OH + HBr = Br{-} + HONH3{+} =>
NH2OH + HBr = Br{-} + HONH3{+}
SO3 + Na(OH) = Na2SO4 + H2O =>
SO3 + 2 Na(OH) = Na2SO4 + H2O
K2Co3 + HCl = KCl + H2Co3 =>
K2Co3 + 2 HCl = 2 KCl + H2Co3
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
NO2 + CaO = Ca(NO2)3 + Ca(NO3)2 =>
5 NO2 + 2 CaO = Ca(NO2)3 + Ca(NO3)2
Mn2{+} + BiO3{-} + H{+} = MnO4{-} + Bi3{+} + H2O =>
14 Mn2{+} + 39 BiO3{-} + 10 H{+} = 28 MnO4{-} + 13 Bi3{+} + 5 H2O
MgO2 + H2O = Mg(OH)2 + O2 =>
2 MgO2 + 2 H2O = 2 Mg(OH)2 + O2
FeCl2 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + KCl =>
2 FeCl2 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + 4 KCl
MnO4{-} + I2 + H2O = IO3{-} + MnO2 + OH{-} =>
10 MnO4{-} + 3 I2 + 2 H2O = 6 IO3{-} + 10 MnO2 + 4 OH{-}
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Au + Cl2 + HCl = HAuCl4 =>
2 Au + 3 Cl2 + 2 HCl = 2 HAuCl4
Hg2O = Hg + HgO =>
Hg2O = Hg + HgO
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Na + K2 = NaK =>
2 Na + K2 = 2 NaK
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na2C2O4 + CaCl2 = Na2C2O4Cl + Ca =>
2 Na2C2O4 + CaCl2 = 2 Na2C2O4Cl + Ca
H2C2O4 + AgHCO3 = Ag2C2O4 + CO2 + H2O =>
H2C2O4 + 2 AgHCO3 = Ag2C2O4 + 2 CO2 + 2 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NH4BrO2 = NH4 + BrO2 =>
NH4BrO2 = NH4 + BrO2
Ca5(PO4)3F(s) + H2SO4(aq) = Ca(H2PO4)2(aq) + CaSO4(s) + HF(aq) =>
2 Ca5(PO4)3F(s) + 7 H2SO4(aq) = 3 Ca(H2PO4)2(aq) + 7 CaSO4(s) + 2 HF(aq)
KF + Fe(OH)3 = KOH + FeF3 =>
3 KF + Fe(OH)3 = 3 KOH + FeF3
Mg(OH)2 + HCl(aq) = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl(aq) = MgCl2 + 2 H2O
C4H10O + HCl = C4H9Cl + H2O =>
C4H10O + HCl = C4H9Cl + H2O
K2CrO7 + CrCl2 + HCl = KCl + CrCl3 + H2O =>
K2CrO7 + 9 CrCl2 + 14 HCl = 2 KCl + 10 CrCl3 + 7 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Xe + F = XeF6 =>
Xe + 6 F = XeF6
NH3NH2 + H2O = NH3NH + H3O =>
NH3NH2 + H2O = NH3NH + H3O
Lu + HCl = LuCl4 + H =>
Lu + 4 HCl = LuCl4 + 4 H
KMnO4 + H2SO4 + Fe(NH4)2(SO4) = K2SO4 + FeSO4 + (NH4)2SO4 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 Fe(NH4)2(SO4) = K2SO4 + 5 FeSO4 + 5(NH4)2SO4 + 2 MnSO4 + 8 H2O
ZnO + (NH4)2HPO4 + Na2CO3 + Sm2O3 + K2CO3 = NaSmKZnP2O7 + NH3 + CO2 + O2 + H2O =>
4 ZnO + 8(NH4)2HPO4 + 2 Na2CO3 + 2 Sm2O3 + 2 K2CO3 = 4 NaSmKZnP2O7 + 16 NH3 + 4 CO2 + 3 O2 + 12 H2O
KIO3 + Cr(OH)3 + KOH = KI + K2CrO4 + H2O =>
KIO3 + 2 Cr(OH)3 + 4 KOH = KI + 2 K2CrO4 + 5 H2O
CrCl3*6H2O + C2H8N2 = [Cr(C2H8N2)3]Cl3*3H2O + H2O =>
CrCl3*6H2O + 3 C2H8N2 = [Cr(C2H8N2)3]Cl3*3H2O + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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Équations équilibrées sur10/15/24
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