| Équations équilibrées la veille |
2 H4P2O7 + 4 Cu = Cu4(P2O7)2 + 8 H
MgSO4 + MnS3 = MgS + Mn(SO4)3 =>
3 MgSO4 + MnS3 = 3 MgS + Mn(SO4)3
PbClO2 = PbCl + O =>
PbClO2 = PbCl + 2 O
Cr2 + N2 = CrN5 =>
Cr2 + 5 N2 = 2 CrN5
K + HNO3(k) = KNO3 + NO2 + H2O =>
K + 2 HNO3(k) = KNO3 + NO2 + H2O
Pb(C2H3O2)2 + NH3 + H2O = Pb(OH)2 + NH4C2H3O2 =>
Pb(C2H3O2)2 + 2 NH3 + 2 H2O = Pb(OH)2 + 2 NH4C2H3O2
NaHSO3 + NaOH = Na2SO4 + H2 =>
NaHSO3 + NaOH = Na2SO4 + H2
Ca + H2CO3 = Ca(H2CO3) =>
Ca + H2CO3 = Ca(H2CO3)
CH4O + CO = CH2 + O2 =>
CH4O + CO = 2 CH2 + O2
LiCl + Ca(OH)2 = LiOH + CaCl2 =>
2 LiCl + Ca(OH)2 = 2 LiOH + CaCl2
Mn2O7 + KOH = HMnO4 + K2O =>
Mn2O7 + 2 KOH = 2 HMnO4 + K2O
K2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2S + 8 KMnO4 + 8 KOH = K2SO4 + 8 K2MnO4 + 4 H2O
C25H52 + O2 = CO2 + H20(g) =>
5 C25H52 + 125 O2 = 125 CO2 + 13 H20(g)
C5H8 + KMnO4 + H2SO4 = C5H8O4 + H2O + K2SO4 + MnSO4 =>
5 C5H8 + 8 KMnO4 + 12 H2SO4 = 5 C5H8O4 + 12 H2O + 4 K2SO4 + 8 MnSO4
HCl(aq) + Al(OH)3(s) = AlCl + H(OH)3 =>
HCl(aq) + Al(OH)3(s) = AlCl + H(OH)3
CO2 + NH3 + H2O = (NH4)HCO3 =>
CO2 + NH3 + H2O = (NH4)HCO3
HC2H3O2 + Na2CO3 = H2O + CO2 + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = H2O + CO2 + 2 NaC2H3O2
K3(Cr(OH)6) = KOH + Cr(OH)3 =>
K3(Cr(OH)6) = 3 KOH + Cr(OH)3
As2O5 + HCl = As2O3 + Cl2 + H2O =>
As2O5 + 4 HCl = As2O3 + 2 Cl2 + 2 H2O
OH{-} + HC2H5O2 = C2H5O2{-} + H2O =>
OH{-} + HC2H5O2 = C2H5O2{-} + H2O
CH2O + Ag2O = Ag + HCO3 + H2O =>
2 CH2O + 5 Ag2O = 10 Ag + 2 HCO3 + H2O
CaCO3 + HNO3 = Ca(NO3)2 + H2CO3 = CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2CO3
NaOH + Zn(CH3COO)2 = Zn(OH)2 + Na2(CH3COO)2 =>
2 NaOH + Zn(CH3COO)2 = Zn(OH)2 + Na2(CH3COO)2
KCl + MgBr2 = MgCl2 + KBr =>
2 KCl + MgBr2 = MgCl2 + 2 KBr
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaBr + Cl2 = NaCl + (Br)2 =>
2 NaBr + Cl2 = 2 NaCl + (Br)2
MgO + NH4Cl = MgCl + NH4O =>
MgO + NH4Cl = MgCl + NH4O
C8H18 = C8 + H18 =>
C8H18 = C8 + H18
N2H4 + H2O = OH{-} + N2H5{+} =>
N2H4 + H2O = OH{-} + N2H5{+}
HNO2 + HJ = NO + J2 + H2O =>
2 HNO2 + 2 HJ = 2 NO + J2 + 2 H2O
Pb(aq) + HCl(aq) = HPb + Cl =>
Pb(aq) + HCl(aq) = HPb + Cl
Cl2O5 + Sn(OH)4 = Sn(ClO3)4 + H2O =>
2 Cl2O5 + Sn(OH)4 = Sn(ClO3)4 + 2 H2O
Na[Al(OH)4] + H2SO4 = Al2(SO4)3 + NaOH + H2O =>
2 Na[Al(OH)4] + 3 H2SO4 = Al2(SO4)3 + 2 NaOH + 6 H2O
C5H8 + KMnO4 + H2SO4 = C5H8O4 + H2O + K2SO4 + MnSO4 =>
5 C5H8 + 8 KMnO4 + 12 H2SO4 = 5 C5H8O4 + 12 H2O + 4 K2SO4 + 8 MnSO4
HClO + SO2 + H2O = H2SO4 + HCl =>
HClO + SO2 + H2O = H2SO4 + HCl
C17H19NO3 + CH3COCl = C21H23NO5 + HCl =>
C17H19NO3 + 2 CH3COCl = C21H23NO5 + 2 HCl
C8H18 + Br = CH + HBr =>
C8H18 + 10 Br = 8 CH + 10 HBr
H2SO4 + K2SO3 = H2O + K(SO3) =>
H2SO4 + K2SO3 = H2O + 2 K(SO3)
Na2FeO4 + NaNO2 + H2O = Fe2O3 + NaNO3 + NaOH =>
2 Na2FeO4 + 3 NaNO2 + 2 H2O = Fe2O3 + 3 NaNO3 + 4 NaOH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
PbO2 + H2SO4 + KI = PbSO4 + K2SO4 + H2O + I2 =>
PbO2 + 2 H2SO4 + 2 KI = PbSO4 + K2SO4 + 2 H2O + I2
KH + C2H5OH = KC2H5 + H2O =>
KH + C2H5OH = KC2H5 + H2O
Zn + FeCl2 = Zn(Cl2)2 + Fe =>
Zn + 2 FeCl2 = Zn(Cl2)2 + 2 Fe
HBr + NH3 = NH4Br =>
HBr + NH3 = NH4Br
Cr + NH3 = Cr(NH3)6 =>
Cr + 6 NH3 = Cr(NH3)6
C6H5CH2CH3 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C6H5CH2CH3 + 54 KMnO4 + 81 H2SO4 = 40 C6H5COOH + 54 MnSO4 + 27 K2SO4 + 136 H2O
Al(OH)3 + (NH4)2S = NH4(OH) + Al2S3 =>
2 Al(OH)3 + 3(NH4)2S = 6 NH4(OH) + Al2S3
P2O3 + Na2O = Na3PO3 =>
P2O3 + 3 Na2O = 2 Na3PO3
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