| Équations équilibrées la veille | Équations équilibrées le lendemain |
7 NO + 2 CrO7 = 2 Cr + 7 NO3
Na + CuS = Cu2 + NaS2 =>
Na + 2 CuS = Cu2 + NaS2
H2C2O4 + KMnO4 = CO2 + H2O + K2CO3 + MnO2 =>
3 H2C2O4 + 2 KMnO4 = 5 CO2 + 3 H2O + K2CO3 + 2 MnO2
Mg + H3Po4 = Mg(Po4)2 + H =>
Mg + 2 H3Po4 = Mg(Po4)2 + 6 H
NaN3 = Na3 + N =>
3 NaN3 = Na3 + 9 N
Fe(s) + NaNO3(aq) = FeNO3(aq) + Na(s) =>
Fe(s) + NaNO3(aq) = FeNO3(aq) + Na(s)
Ca + HNO3 = CaO + NO + H2O =>
3 Ca + 2 HNO3 = 3 CaO + 2 NO + H2O
K2SO4 + HF = KF + H2SO4 =>
K2SO4 + 2 HF = 2 KF + H2SO4
HBr + H2SO4 = Br + S + H2O2 =>
2 HBr + H2SO4 = 2 Br + S + 2 H2O2
Na2SO3 + I2 + H2O = Na2SO4 + I{-} + H{+} =>
Na2SO3 + I2 + H2O = Na2SO4 + 2 I{-} + 2 H{+}
C + H + O = C4H8O2 =>
4 C + 8 H + 2 O = C4H8O2
KIO4(aq) + KI(aq) + HCL(aq) = KCL(aq) + I2(s) + H2O(l) =>
KIO4(aq) + 7 KI(aq) + 8 HCL(aq) = 8 KCL(aq) + 4 I2(s) + 4 H2O(l)
Pb(NO2)2 + H2SO4 + KI = NO + I2 + PbSO4 + K2SO4 + H2O =>
Pb(NO2)2 + 2 H2SO4 + 2 KI = 2 NO + I2 + PbSO4 + K2SO4 + 2 H2O
Pb(NO3)2 + NH4Cl = NH4(NO3)2 + PbCl =>
Pb(NO3)2 + NH4Cl = NH4(NO3)2 + PbCl
Cu + H2SO4(concentrated) = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4(concentrated) = CuSO4 + 2 H2O + SO2
CO2 + N2 = NO2 + C =>
2 CO2 + N2 = 2 NO2 + 2 C
Mg2 + AgCl = MgAgCl =>
Mg2 + 2 AgCl = 2 MgAgCl
V2O5 + HCl = VOCl3 + H2O1 =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O1
PbSO4 + H2S = PbS + H2SO4 =>
PbSO4 + H2S = PbS + H2SO4
NO3{+} + H{+} + e = NO2{-} + H2O =>
NO3{+} + 2 H{+} + 4e = NO2{-} + H2O
Cr2(SO4)3 + H2O + Na2S = Cr(OH)3 + H2S + Na2SO4 =>
Cr2(SO4)3 + 6 H2O + 3 Na2S = 2 Cr(OH)3 + 3 H2S + 3 Na2SO4
Na + CuS = Cu2 + NaS2 =>
Na + 2 CuS = Cu2 + NaS2
Fe(No3)3 + SCN = Fe(SCN)3 + No3 =>
Fe(No3)3 + 3 SCN = Fe(SCN)3 + 3 No3
Ca(HSO3)2 + H2O2 = CaSO4 + H2SO4 + H2O =>
Ca(HSO3)2 + 2 H2O2 = CaSO4 + H2SO4 + 2 H2O
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
MnO4 + AsO3 = MnO2 + AsO4 =>
MnO4 + 2 AsO3 = MnO2 + 2 AsO4
Na + CuS = Cu2 + NaS2 =>
Na + 2 CuS = Cu2 + NaS2
SnCl4 + NH3*H2O = SnO2*2H2O + NH4Cl =>
SnCl4 + 4 NH3*H2O = SnO2*2H2O + 4 NH4Cl
NaOCI + KI + H2SO4 = I2 + NaCI + K2SO4 + H2O =>
NaOCI + 2 KI + H2SO4 = I2 + NaCI + K2SO4 + H2O
Na + CuS = Cu2 + NaS2 =>
Na + 2 CuS = Cu2 + NaS2
NaOH + Zn(OH)2 = Na2[Zn(OH)4] =>
2 NaOH + Zn(OH)2 = Na2[Zn(OH)4]
Cl3Au + H2O2 + NaOH = ClNa + H2O + AuO2 =>
2 Cl3Au + H2O2 + 6 NaOH = 6 ClNa + 4 H2O + 2 AuO2
Sr(NO3)2 + HNO3 = SrH + NO3 =>
Sr(NO3)2 + HNO3 = SrH + 3 NO3
C6H5Br + H2 = C6H6 + HBr =>
C6H5Br + H2 = C6H6 + HBr
Cl2 + NaBr = Br2 + ClNa =>
Cl2 + 2 NaBr = Br2 + 2 ClNa
KBr + H2SO4 = Br2 + K2SO4 + SO2 + H2O =>
2 KBr + 2 H2SO4 = Br2 + K2SO4 + SO2 + 2 H2O
PbCI2 + Li2SO4 = Li2CI2 + PbSO4 =>
PbCI2 + Li2SO4 = Li2CI2 + PbSO4
Na + CuS = Cu2 + NaS2 =>
Na + 2 CuS = Cu2 + NaS2
NO2{-} + H2S + H{+] = NO+S+H2O =>
2 NO2{-} + H2S + 2 H{+] = 2 NO+S+2H2O
Zn(OH)2 + H3Po4 = Zn3(Po4)2 + H2O = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3Po4 = Zn3(Po4)2 + 6 H2O
MgBr2 + LiNO3 = Mg(NO3)2 + LiBr =>
MgBr2 + 2 LiNO3 = Mg(NO3)2 + 2 LiBr
Fe2Cr2O4 + NaOH + H2O2 = Na2CrO4 + FeO3 + H2O =>
Fe2Cr2O4 + 4 NaOH + 8 H2O2 = 2 Na2CrO4 + 2 FeO3 + 10 H2O
Cr + Rb{+} = Cr{3+} + Rb =>
Cr + 3 Rb{+} = Cr{3+} + 3 Rb
Co + PO4 = CoPO4 =>
Co + PO4 = CoPO4
TiCl2 + HCl + O2 = TiCl4 + H2O =>
2 TiCl2 + 4 HCl + O2 = 2 TiCl4 + 2 H2O
NH6 + SO4 + NaOH = Na2SO4 + NH3 + H2O =>
2 NH6 + 3 SO4 + 6 NaOH = 3 Na2SO4 + 2 NH3 + 6 H2O
Mg(NO3)2 + Na2S = MgS + Na(NO3) =>
Mg(NO3)2 + Na2S = MgS + 2 Na(NO3)
CrL3 + S = Cr2S3 + L2 =>
2 CrL3 + 3 S = Cr2S3 + 3 L2
Ba + MgL2 = Mg + Ba2L2 =>
2 Ba + MgL2 = Mg + Ba2L2
Sr + H2 = SrH2 =>
Sr + H2 = SrH2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/27/23
Équations équilibrées sur01/26/23
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