| Équations équilibrées la veille |
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 11 H2O + 3 HC2H3O2 + 2 Cr2(SO4)3 + 2 K2SO4
CH3Br + Mg2 = MgCH3Br =>
2 CH3Br + Mg2 = 2 MgCH3Br
NO2 + H2O = HNO3* + HNO2 =>
2 NO2 + H2O = HNO3* + HNO2
SnCl2 + NH4Br = SnBr2 + NH4Cl =>
SnCl2 + 2 NH4Br = SnBr2 + 2 NH4Cl
CH3OC4H9 + O2 = CO2 + H2O =>
2 CH3OC4H9 + 15 O2 = 10 CO2 + 12 H2O
AgC2H3O2 + Na3PO4 = Ag3PO4 + NaC2H3O2 =>
3 AgC2H3O2 + Na3PO4 = Ag3PO4 + 3 NaC2H3O2
Cl2 + FeI3 = Fe2Cl3 + I2 =>
3 Cl2 + 4 FeI3 = 2 Fe2Cl3 + 6 I2
(NH4)2C2O4 + KMnO4 + H2SO4 = H2O + CO2 + K2SO4 + (NH4)2SO4 + MnSO4 =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 8 H2O + 10 CO2 + K2SO4 + 5(NH4)2SO4 + 2 MnSO4
K3P + O2 = KO2 + PO4 =>
K3P + 5 O2 = 3 KO2 + PO4
C2H2O2 + Ag(NH3)2OH = C2H8O4N2 + Ag + NH3 + H2O =>
C2H2O2 + 4 Ag(NH3)2OH = C2H8O4N2 + 4 Ag + 6 NH3 + 2 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
SrF2 + Na2SO4 = SrSO4 + NaF =>
SrF2 + Na2SO4 = SrSO4 + 2 NaF
H2 + AgI = Ag + IH =>
H2 + 2 AgI = 2 Ag + 2 IH
Ra2O2 = Ra + O =>
Ra2O2 = 2 Ra + 2 O
Cr(OH)3 + NaOH = Na3Cr(OH)6 =>
Cr(OH)3 + 3 NaOH = Na3Cr(OH)6
Rh2O3(s) + SO3(l) = Rh2(SO4)3(s) =>
Rh2O3(s) + 3 SO3(l) = Rh2(SO4)3(s)
Na2SiO3 + *HCl = *NaCl + H2SiO3 =>
Na2SiO3 + 2*HCl = 2*NaCl + H2SiO3
MgCO4 + C2H4O2 = CO2 + MgC2H3O2 + H2O =>
8 MgCO4 + 11 C2H4O2 = 14 CO2 + 8 MgC2H3O2 + 10 H2O
Fe(OH)2 + H2SO2 = Fe(SO2) + H2O =>
Fe(OH)2 + H2SO2 = Fe(SO2) + 2 H2O
Pb(NO3)2 + Al2(SO4)3 = Pb(SO4)2 + Al + NO3 =>
3 Pb(NO3)2 + 2 Al2(SO4)3 = 3 Pb(SO4)2 + 4 Al + 6 NO3
HNO3 + Zn = ZnN2O6 + N2HO3 + H2O =>
14 HNO3 + 5 Zn = 5 ZnN2O6 + 2 N2HO3 + 6 H2O
C3H7COOH + C3H7OH = C3H7COOC2H5 + H2O =>
3 C3H7COOH + 2 C3H7OH = 3 C3H7COOC2H5 + 2 H2O
PbO2 + H2SO4 = H2O + O2 + Pb(HSO4)2 =>
2 PbO2 + 4 H2SO4 = 2 H2O + O2 + 2 Pb(HSO4)2
Al(OH)3 + H2(CO3) = Al2(CO3)3 + H(OH) =>
2 Al(OH)3 + 3 H2(CO3) = Al2(CO3)3 + 6 H(OH)
Sr + H2O = H2 + Sr(OH)2 =>
Sr + 2 H2O = H2 + Sr(OH)2
I + C = CI =>
I + C = CI
Al + CuC2O4 = Al2(C2O4)3 + Cu =>
2 Al + 3 CuC2O4 = Al2(C2O4)3 + 3 Cu
K2Cr2O7 + Fe(NO3)2 + HNO3 = Cr(NO3)2 + H2O + Fe(NO3)3 + KNO3 =>
K2Cr2O7 + 8 Fe(NO3)2 + 14 HNO3 = 2 Cr(NO3)2 + 7 H2O + 8 Fe(NO3)3 + 2 KNO3
C18H12 + Hg{+2} + H2O = HCO3{-} + Hg + H{+} =>
C18H12 + 42 Hg{+2} + 54 H2O = 18 HCO3{-} + 42 Hg + 102 H{+}
CoCl2 + Na2CO3 + H2O = Co(OH)2 + NaCl + H2CO3 =>
CoCl2 + Na2CO3 + 2 H2O = Co(OH)2 + 2 NaCl + H2CO3
HOCl + I{-} + H{+} = I + Cl{-} + H2O =>
HOCl + 2 I{-} + H{+} = 2 I + Cl{-} + H2O
CuO2 + HCl = CuCl + H2 + O2 =>
2 CuO2 + 2 HCl = 2 CuCl + H2 + 2 O2
H2SO4 + HBr = SO2 + H2O + Br2 =>
H2SO4 + 2 HBr = SO2 + 2 H2O + Br2
Ag2S + HNO3 = AgNO3 + H2S =>
Ag2S + 2 HNO3 = 2 AgNO3 + H2S
NaOCl + C3H6O = CHCl3 + NaOH + Na2CO3 =>
6 NaOCl + C3H6O = 2 CHCl3 + 4 NaOH + Na2CO3
C2H5COOH + CH3OH = C2H5COOCH3 + H2O =>
C2H5COOH + CH3OH = C2H5COOCH3 + H2O
H2(CO3) = H2 + CO3 =>
H2(CO3) = H2 + CO3
C8H16 + KMnO4 + H2SO4 = C8H12O4 + K2SO4 + MnSO4 + H2O =>
5 C8H16 + 12 KMnO4 + 18 H2SO4 = 5 C8H12O4 + 6 K2SO4 + 12 MnSO4 + 28 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
PbS + Cl2 + H2O = PbSO4 + HCl =>
PbS + 4 Cl2 + 4 H2O = PbSO4 + 8 HCl
CH3CH2CH2COOH + NaCO3 = CH3CH2CH2COONa + H2O + CO2 =>
21 CH3CH2CH2COOH + 20 NaCO3 = 20 CH3CH2CH2COONa + 14 H2O + 24 CO2
P + H2SO4 = H2O + H3PO4 + SO2 =>
2 P + 5 H2SO4 = 2 H2O + 2 H3PO4 + 5 SO2
CuSO4(H2O) = CuSO4 + H2O =>
CuSO4(H2O) = CuSO4 + H2O
SO2 + KOH = K2S + K2SO4 + H2O =>
4 SO2 + 8 KOH = K2S + 3 K2SO4 + 4 H2O
CaCl2(aq) + K2S(aq) = CaS(s) + KCl(aq) =>
CaCl2(aq) + K2S(aq) = CaS(s) + 2 KCl(aq)
Sb + HNO3 = NO + H2O + Sb(NO3)3 =>
Sb + 4 HNO3 = NO + 2 H2O + Sb(NO3)3
Cl2CO(g) = Cl2(g) + CO(g) =>
Cl2CO(g) = Cl2(g) + CO(g)
FeCl3 + Fe(NO3)2 = Fe(NO3)3 + FeCl2 =>
2 FeCl3 + 3 Fe(NO3)2 = 2 Fe(NO3)3 + 3 FeCl2
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