| Équations équilibrées la veille |
Zn + HgCl2 = ZnCl2 + Hg
CH4 = C + H2 =>
CH4 = C + 2 H2
Ca3(PO4)2 + HClO4 = Ca(ClO4)2 + H3PO4 =>
Ca3(PO4)2 + 6 HClO4 = 3 Ca(ClO4)2 + 2 H3PO4
Pb(NO3)2(aq) + (NH4)2CrO4(aq) = PbCrO4(s) + NH4NO3(aq) =>
Pb(NO3)2(aq) + (NH4)2CrO4(aq) = PbCrO4(s) + 2 NH4NO3(aq)
Fe(NO3)3 + NaOH = FeOH(NO3)2 + NaNO3 =>
Fe(NO3)3 + NaOH = FeOH(NO3)2 + NaNO3
C2H8N2(l) + N2O4(g) = CO2(g) + H2O(g) + N2(g) =>
C2H8N2(l) + 2 N2O4(g) = 2 CO2(g) + 4 H2O(g) + 3 N2(g)
Na + PbO2 = Na2O + Pb =>
4 Na + PbO2 = 2 Na2O + Pb
C2H6O + Cr2O72{-} + H{+} = C2H4O + H2O + Cr3{+} =>
427 C2H6O + 6 Cr2O72{-} + 10 H{+} = 427 C2H4O + 432 H2O + 4 Cr3{+}
ZnSO3 + H2SO4 = ZnSO4 + SO2 + H2O =>
ZnSO3 + H2SO4 = ZnSO4 + SO2 + H2O
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
Zn(s) + PbSO4(aq) = ZnSO4 + Pb =>
Zn(s) + PbSO4(aq) = ZnSO4 + Pb
AgNO3(aq) + Na2S = Ag2S(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2S = Ag2S(s) + 2 NaNO3(aq)
Ag + S = Ag2S =>
2 Ag + S = Ag2S
Au2O3 + H2SO3 = Au2(SO3)3 + H2O =>
Au2O3 + 3 H2SO3 = Au2(SO3)3 + 3 H2O
Ca(NO3)2 + (NH4)2Cr2O7 = CaCr2O7 + NH4NO3 =>
Ca(NO3)2 + (NH4)2Cr2O7 = CaCr2O7 + 2 NH4NO3
Hg + Cr2O7{2-} + H{+} = Hg{2+} + Cr{3+} + H2O =>
3 Hg + Cr2O7{2-} + 14 H{+} = 3 Hg{2+} + 2 Cr{3+} + 7 H2O
IO3{2-} + SO2 + H2O = I2 + SO4{2-} + H{+} =>
2 IO3{2-} + 4 SO2 + 2 H2O = I2 + 4 SO4{2-} + 4 H{+}
K4(Fe(CN)6) + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4(Fe(CN)6) + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C6H12O6 + NaClO3 + H2SO4 = ClO2 + CO2 + H2O + Na2SO4 =>
C6H12O6 + 24 NaClO3 + 12 H2SO4 = 24 ClO2 + 6 CO2 + 18 H2O + 12 Na2SO4
Ba3(Po4)2 + H2SO4 = BaSO4 + H3Po4 =>
Ba3(Po4)2 + 3 H2SO4 = 3 BaSO4 + 2 H3Po4
Cl2 + Cu(NH3)4(OH)2 = CuCl2 + NH4Cl + H2O + N2 =>
9 Cl2 + 4 Cu(NH3)4(OH)2 = 4 CuCl2 + 10 NH4Cl + 8 H2O + 3 N2
K2SO4 + Cs = K + Cs2SO4 =>
K2SO4 + 2 Cs = 2 K + Cs2SO4
FeCl2 + HBr = FeBr2 + HCl =>
FeCl2 + 2 HBr = FeBr2 + 2 HCl
Fe(s) + AgBr(aq) = Ag(s) + FeBr2(aq) =>
Fe(s) + 2 AgBr(aq) = 2 Ag(s) + FeBr2(aq)
Zi + Cu2(SO4)2 = Cu + Zi2(SO4)2 =>
2 Zi + Cu2(SO4)2 = 2 Cu + Zi2(SO4)2
MnCl2 + KOH + H2O2 = KCl + H2O + MnO2 =>
MnCl2 + 2 KOH + H2O2 = 2 KCl + 2 H2O + MnO2
Fe2O3 + HI = I2 + Fe + H2O =>
Fe2O3 + 6 HI = 3 I2 + 2 Fe + 3 H2O
CaO + NO = Ca(NO3)2 + N =>
CaO + 5 NO = Ca(NO3)2 + 3 N
PbO + CO = Pb + CO2 =>
PbO + CO = Pb + CO2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C2H4O3 + NaHCO3 = CO2 + NaH2 + H2O =>
C2H4O3 + 2 NaHCO3 = 4 CO2 + 2 NaH2 + H2O
(CH3)PCl2 + SbF3 = (CH3)PF4 + SbCl3 + Sb =>
3(CH3)PCl2 + 4 SbF3 = 3(CH3)PF4 + 2 SbCl3 + 2 Sb
HCOOK + HNO3 = KNO3 + HCOOH =>
HCOOK + HNO3 = KNO3 + HCOOH
Na3N + B2S3 = BN + Na2S =>
2 Na3N + B2S3 = 2 BN + 3 Na2S
Zn + Sn(NO3)4 = Zn(NO3)2 + Sn =>
2 Zn + Sn(NO3)4 = 2 Zn(NO3)2 + Sn
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaOH + FePO4 = Na3PO4 + Fe(OH)3 =>
3 NaOH + FePO4 = Na3PO4 + Fe(OH)3
HOCN + NH3 = NH4CNO =>
HOCN + NH3 = NH4CNO
CuCl2 + Na2O = NaCl + CuO =>
CuCl2 + Na2O = 2 NaCl + CuO
CuCl2 + Na2S2O5 + NaCl + H2O = CuCl + Na2SO4 + HCl =>
4 CuCl2 + Na2S2O5 + 2 NaCl + 3 H2O = 4 CuCl + 2 Na2SO4 + 6 HCl
C2H5Br + KCN = C2H5CN + KBr =>
C2H5Br + KCN = C2H5CN + KBr
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
K2Cr2O7 + HCl = CrCl3 + KCl3 + Cl2 + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl3 + Cl2 + 7 H2O
Pb(C2H3O2)2(aq) + LiCl(aq) = PbCl2(s) + LiC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 LiCl(aq) = PbCl2(s) + 2 LiC2H3O2(aq)
HCOOH + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
HCOOH + 2 Cu(OH)2 + 2 NaOH = Na2CO3 + Cu2O + 4 H2O
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
CH3CH3 + HNO3 = CH3CH2NO2 + H2O =>
CH3CH3 + HNO3 = CH3CH2NO2 + H2O
HCOOH + CH3OH = CH3COOCH3 + H2O =>
HCOOH + 2 CH3OH = CH3COOCH3 + 2 H2O
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