| Équations équilibrées la veille |
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3] + 6 CO2 + 7 H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
F2S2 + O2 = F2O3 + SO2 =>
2 F2S2 + 7 O2 = 2 F2O3 + 4 SO2
Pb2PbO4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb2PbO4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
Na2CO3ZnSO4 = Na2SO4(aq)ZnCO3(s) =>
Na2CO3ZnSO4 = Na2SO4(aq)ZnCO3(s)
Fe(OH)2 + HI = I2Fe + H2O =>
Fe(OH)2 + 2 HI = I2Fe + 2 H2O
NaBr2 + F = NaF + Br2 =>
NaBr2 + F = NaF + Br2
CuS2O2 = CuSSO2 =>
CuS2O2 = CuSSO2
NH4OH + Li2SO4 = (NH4)2SO4 + LiOH =>
2 NH4OH + Li2SO4 = (NH4)2SO4 + 2 LiOH
CH3NH2 + COCl2 = C2H3NO + HCl =>
CH3NH2 + COCl2 = C2H3NO + 2 HCl
Cl + Br2 = ClBr2 =>
Cl + Br2 = ClBr2
CH2ONa + HCl = NaCl + CH2OH =>
CH2ONa + HCl = NaCl + CH2OH
K2Cr2O7 + NaCl + H2SO4 = Cr2(SO4) + Cl2 + KSO4 + NaSO4 + H2O =>
K2Cr2O7 + 4 NaCl + 7 H2SO4 = Cr2(SO4) + 2 Cl2 + 2 KSO4 + 4 NaSO4 + 7 H2O
C3H7NO2 + O2 = CO2 + NO2 + H2O =>
4 C3H7NO2 + 19 O2 = 12 CO2 + 4 NO2 + 14 H2O
S(s) + HNO3(aq) = H2SO4(aq) + NO2 + H2O(i) =>
S(s) + 6 HNO3(aq) = H2SO4(aq) + 6 NO2 + 2 H2O(i)
M(OH)2 + H2SO3 = MSO3 + H2O =>
M(OH)2 + H2SO3 = MSO3 + 2 H2O
NH4Cl + Pb(C2H3O2)2 = Pb(NH4)2 + Cl(C2H3O2) =>
2 NH4Cl + Pb(C2H3O2)2 = Pb(NH4)2 + 2 Cl(C2H3O2)
CO2(g) + H2O = C2H6(g) + O2 =>
4 CO2(g) + 6 H2O = 2 C2H6(g) + 7 O2
Cu2O + H2SO4 = H2O + CuSO4 + SO2 =>
Cu2O + 3 H2SO4 = 3 H2O + 2 CuSO4 + SO2
C2H6O + Cr2O7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
C2H6O + 2 Cr2O7{2-} + 16 H{+} = 2 CO2 + 4 Cr{3+} + 11 H2O
Ca1 + O2 = CaO =>
2 Ca1 + O2 = 2 CaO
CaCO3 + HC1 = CaC2 + H2O + CO2 =>
CaCO3 + 2 HC1 = CaC2 + H2O + CO2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
Zn(CO3) = Zn + (CO3) =>
Zn(CO3) = Zn + (CO3)
K + O0 = K2O =>
2 K + O0 = K2O
(NH4)2CO3 + HCl = NH4Cl + H2O + CO2 =>
(NH4)2CO3 + 2 HCl = 2 NH4Cl + H2O + CO2
Zn + HNO3 = Zn(NO3)2H2 =>
Zn + 2 HNO3 = Zn(NO3)2H2
Co(OH)3 + H2Cl2O6 = Co2(Cl2O6)3 + H2O =>
2 Co(OH)3 + 3 H2Cl2O6 = Co2(Cl2O6)3 + 6 H2O
C9H12 + Cl2 = C9H11Cl + HCl =>
C9H12 + Cl2 = C9H11Cl + HCl
H3PO2 + BiCl3 + H2O = H3PO4 + Bi + HCl =>
3 H3PO2 + 4 BiCl3 + 6 H2O = 3 H3PO4 + 4 Bi + 12 HCl
KCl + AlBr3 + H2O = Al(OH)3 + KBr + HCl =>
3 KCl + AlBr3 + 3 H2O = Al(OH)3 + 3 KBr + 3 HCl
Fe{2+} + KMnO4 + H2SO4 = Fe{3+} + Mn{2+} + H2O + K{+} + SO4{2-} =>
5 Fe{2+} + KMnO4 + 4 H2SO4 = 5 Fe{3+} + Mn{2+} + 4 H2O + K{+} + 4 SO4{2-}
MgCl2 + HF = HCl + MgF2 =>
MgCl2 + 2 HF = 2 HCl + MgF2
Ba + Cl2 = Ba(Cl2)2 =>
Ba + 2 Cl2 = Ba(Cl2)2
KOH + H2O2 + Cr(OH)3 = H2O + K2CrO4 =>
4 KOH + 3 H2O2 + 2 Cr(OH)3 = 8 H2O + 2 K2CrO4
AlCl3 + KOH = KAl(OH)4 + KCl =>
AlCl3 + 4 KOH = KAl(OH)4 + 3 KCl
CH3COOCH2CH2OCOCH3 + KOH = CH3COOK + HOCH2CH2OH =>
CH3COOCH2CH2OCOCH3 + 2 KOH = 2 CH3COOK + HOCH2CH2OH
Ba2F2 = BaF =>
Ba2F2 = 2 BaF
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + H2O + N2O3 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 N2O3
H2O2 + KNO2 = KNO3 + H2O =>
H2O2 + KNO2 = KNO3 + H2O
(NH4)2SO3 + SO2 + H2O = NH4HSO3 =>
(NH4)2SO3 + SO2 + H2O = 2 NH4HSO3
Co(NO3)2 + K3Fe(CN)6 = Co3Fe(CN)6 + K(NO3)2 =>
3 Co(NO3)2 + K3Fe(CN)6 = Co3Fe(CN)6 + 3 K(NO3)2
FeSO4 + H2O2 = FeSO4H2O2 =>
FeSO4 + H2O2 = FeSO4H2O2
Na2[Be(OH)4] + HCl = NaCl + BeCl2 + H2O =>
Na2[Be(OH)4] + 4 HCl = 2 NaCl + BeCl2 + 4 H2O
KNO3 + CH2O = CO + H2O + N2 + K2CO3 =>
2 KNO3 + 4 CH2O = 3 CO + 4 H2O + N2 + K2CO3
C8H9NO2 + HCl = C8H8NOCl + H2O =>
C8H9NO2 + HCl = C8H8NOCl + H2O
NaSO4 = NaS + O2 =>
NaSO4 = NaS + 2 O2
Br2 + CrBr3 + NaOH = Na2CrO4 + NaBr + H2O =>
3 Br2 + 2 CrBr3 + 16 NaOH = 2 Na2CrO4 + 12 NaBr + 8 H2O
Al2O3 + SO2 = Al2S3 + O2 =>
2 Al2O3 + 6 SO2 = 2 Al2S3 + 9 O2
CaP + H2SO4 = CaSO4 + H2P =>
CaP + H2SO4 = CaSO4 + H2P
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