| Équations équilibrées la veille |
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Pb(CH3COO)2 + Ca(OCl)2 + H2O = Pb2O4 + CaCl2 + CH3COOH =>
2 Pb(CH3COO)2 + Ca(OCl)2 + 2 H2O = Pb2O4 + CaCl2 + 4 CH3COOH
ZnCl2 + Na2S2O3 = ZnS + ZnO + Na2O + Cl2 =>
4 ZnCl2 + Na2S2O3 = 2 ZnS + 2 ZnO + Na2O + 4 Cl2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CH3COOK + KOH(aq) = CH4 + K2CO3 =>
CH3COOK + KOH(aq) = CH4 + K2CO3
K2Cr2O7 + H2SO4 = H2CrO4 + K2SO4CrO3 =>
K2Cr2O7 + H2SO4 = H2CrO4 + K2SO4CrO3
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
AlCl3 + NH3 = Al(NH3)3 + Cl2 =>
2 AlCl3 + 6 NH3 = 2 Al(NH3)3 + 3 Cl2
CaCl(OCl) + HCl = CaCl2 + H2O + Cl2 =>
CaCl(OCl) + 2 HCl = CaCl2 + H2O + Cl2
FeCl2 + Ca(OH)2 + H2O + O2 = Fe(OH)3 + CaCl2 =>
4 FeCl2 + 4 Ca(OH)2 + 2 H2O + O2 = 4 Fe(OH)3 + 4 CaCl2
Al + Sn2SO4 = Sn + Al3SO4 =>
3 Al + Sn2SO4 = 2 Sn + Al3SO4
Al(OH)3KOH = K(OH)3AlOH =>
Al(OH)3KOH = K(OH)3AlOH
C6H6 + NaN3 + H2O = C6H5NH2 + NaOH + NO2 =>
13 C6H6 + 5 NaN3 + 9 H2O = 13 C6H5NH2 + 5 NaOH + 2 NO2
ZnS + O2 = Zn0 + SO2 =>
ZnS + O2 = Zn0 + SO2
HNO3 + Al = Al(NO3)3 + NH4NO3 + H2O =>
30 HNO3 + 8 Al = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
Al(s) + I(l) = AlI =>
Al(s) + I(l) = AlI
KMnO4 + HBr = MnBr + Br2 + H2O + KBr =>
KMnO4 + 8 HBr = MnBr + 3 Br2 + 4 H2O + KBr
C2H5OH(aq) + K2Cr2O7(aq) + H2SO4(aq) = CH3COOH(aq) + Cr2(SO4)3(aq) + K2SO4(aq) + H2O =>
3 C2H5OH(aq) + 2 K2Cr2O7(aq) + 8 H2SO4(aq) = 3 CH3COOH(aq) + 2 Cr2(SO4)3(aq) + 2 K2SO4(aq) + 11 H2O
FeSO4 + HBrO2 + H2SO4 = Fe2(SO4)3 + HBr + H2O =>
4 FeSO4 + HBrO2 + 2 H2SO4 = 2 Fe2(SO4)3 + HBr + 2 H2O
AgBr + NH3 = Ag(NH3) + Br =>
AgBr + NH3 = Ag(NH3) + Br
Al + HOH = (AlOH) + H =>
Al + HOH = (AlOH) + H
UCl4 + O2 + H2O = UO2Cl2 + HCl =>
2 UCl4 + O2 + 2 H2O = 2 UO2Cl2 + 4 HCl
Sr + Cl + H2O = Sr(OH)2 + HCl =>
Sr + 2 Cl + 2 H2O = Sr(OH)2 + 2 HCl
SnO + O2 = SnO2 =>
2 SnO + O2 = 2 SnO2
C8H6O4 + C2H4 = C10H8O4 + H2O =>
10 C8H6O4 + 5 C2H4 = 9 C10H8O4 + 4 H2O
CaCO3 + HNO3 + (NH4)2C2 = CO2 + CaC2 + NH4NO3 =>
CaCO3 + 20 HNO3 + 5(NH4)2C2 = 9 CO2 + CaC2 + 15 NH4NO3
KClO3 + HCl = Cl + KCl + H2O =>
KClO3 + 6 HCl = 6 Cl + KCl + 3 H2O
C2H6O(ethanol) + O2 = CO2 + H2O =>
C2H6O(ethanol) + 3 O2 = 2 CO2 + 3 H2O
Al + Ag2CrO4 = Al2(CrO4)3 + Ag =>
2 Al + 3 Ag2CrO4 = Al2(CrO4)3 + 6 Ag
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
AlCl3 + Na2O + H2O = Na3(Al(OH)6) + HCl =>
2 AlCl3 + 3 Na2O + 9 H2O = 2 Na3(Al(OH)6) + 6 HCl
Na2CO3 + SO2 + H2O = NaHCO3 + NaHSO3 =>
Na2CO3 + SO2 + H2O = NaHCO3 + NaHSO3
KBrO3 + XeF4 + KOH = KBrO4 + Xe + KF + H2O =>
2 KBrO3 + XeF4 + 4 KOH = 2 KBrO4 + Xe + 4 KF + 2 H2O
Fe{2+} + O2 + H{+} = Fe{3}{+} + H2O =>
4 Fe{2+} + O2 + 4 H{+} = 4 Fe{3}{+} + 2 H2O
TeO3{2-} + N2O4 + H2O = Te + NO3{-} + H{+} =>
TeO3{2-} + 2 N2O4 + H2O = Te + 4 NO3{-} + 2 H{+}
CH2H2OH2 + O2 = CO2 + H2O =>
CH2H2OH2 + 2 O2 = CO2 + 3 H2O
NiCl2 + F2 = FCl + Ni =>
NiCl2 + F2 = 2 FCl + Ni
PbS + Na2SO4 = PbSO4 + Na2S =>
PbS + Na2SO4 = PbSO4 + Na2S
MnO2(s) + C(s) = CO2(g) + Mn(s) =>
MnO2(s) + C(s) = CO2(g) + Mn(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
HN + O = NO + H2O =>
2 HN + 3 O = 2 NO + H2O
CH3COCH3NH2OH = CH3COOHCH3NH2 =>
CH3COCH3NH2OH = CH3COOHCH3NH2
Ca(HCO3)2 + Mg(NO3)2 = MgCO3 + Ca(NO3)2 + H2CO3 =>
Ca(HCO3)2 + Mg(NO3)2 = MgCO3 + Ca(NO3)2 + H2CO3
HCl(aq) + LiOH(aq) = H2O(l) + LiCl(aq) =>
HCl(aq) + LiOH(aq) = H2O(l) + LiCl(aq)
SO2 + MnO2 = SO4 + Mn =>
SO2 + MnO2 = SO4 + Mn
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
H2O + BiN + O2 = Bi(OH)3 + N2 =>
6 H2O + 4 BiN + 3 O2 = 4 Bi(OH)3 + 2 N2
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