| Équations équilibrées la veille |
Fe2O3 + CO2Fe + 2 CO2 = 3 FeCO3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Fe(NO3)2 + NH4NO2 = Fe(NO3)3 + NH3 =>
2 Fe(NO3)2 + 3 NH4NO2 = 2 Fe(NO3)3 + 4 NH3
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
CO2 + H2O = H2CO3 = HCO3 + H =>
CO2 + H2O = H2CO3
NH3 + Br2 + NaOH = N2H4 + NaBr + H2O =>
2 NH3 + Br2 + 2 NaOH = N2H4 + 2 NaBr + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cs + CrBr3 = Cr + CsBr =>
3 Cs + CrBr3 = Cr + 3 CsBr
CuClO2 + H2 = HCl + H2O + Cu =>
2 CuClO2 + 5 H2 = 2 HCl + 4 H2O + 2 Cu
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH4Cl + LiNO3 = LiCl + NH4NO3 =>
NH4Cl + LiNO3 = LiCl + NH4NO3
CuSO3 + Zn = ZnSO3 + Cu =>
CuSO3 + Zn = ZnSO3 + Cu
XY4 + B2C = XC2 + BY =>
XY4 + 2 B2C = XC2 + 4 BY
C6H5Cl + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + C6H5COOH + Cl2 =>
70 C6H5Cl + 46 KMnO4 + 69 H2SO4 = 23 K2SO4 + 46 MnSO4 + 64 H2O + 60 C6H5COOH + 35 Cl2
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Ba(NO3)2 + RbOH = Ba(OH)2 + RbNO3 =>
Ba(NO3)2 + 2 RbOH = Ba(OH)2 + 2 RbNO3
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Nb2O5 + CCl4 = NbCl5 + COCl2 =>
Nb2O5 + 5 CCl4 = 2 NbCl5 + 5 COCl2
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
FO + H2O = HF + O2 =>
4 FO + 2 H2O = 4 HF + 3 O2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Ni(NO3)2 + O2 = NiO + NO3 =>
2 Ni(NO3)2 + O2 = 2 NiO + 4 NO3
K2MnO4 + H2C2O4 = KMnO4 + MnO2 + K2C2O4 + H2O =>
3 K2MnO4 + 2 H2C2O4 = 2 KMnO4 + MnO2 + 2 K2C2O4 + 2 H2O
KClO + HBr = KH + ClOBr =>
KClO + HBr = KH + ClOBr
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
H2 + NaCl + O2 = H2ONaCl =>
2 H2 + 2 NaCl + O2 = 2 H2ONaCl
V2O5 + H2SO4 = (VO2)HSO4 + H2O =>
V2O5 + 2 H2SO4 = 2(VO2)HSO4 + H2O
C6H5NH3 + CH3Br = C8H12N + HBr =>
C6H5NH3 + 2 CH3Br = C8H12N + 2 HBr
NH4OH + SrSO4 = Sr(OH)2 + (NH4)2SO4 =>
2 NH4OH + SrSO4 = Sr(OH)2 + (NH4)2SO4
Mg + (HCl) = MgCl2 + H2 =>
Mg + 2(HCl) = MgCl2 + H2
Fe(OH)2 + KNO3 = Fe3O4 + KNO2 + H2O =>
3 Fe(OH)2 + KNO3 = Fe3O4 + KNO2 + 3 H2O
C14H10O2 + H2O = C14H12O3 =>
C14H10O2 + H2O = C14H12O3
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
K2Cr2O7 + H2SO4 + C2H6O = Cr2(SO4)3 + K2SO2 + C2H4O2 + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 5 C2H6O = 2 Cr2(SO4)3 + 2 K2SO2 + 5 C2H4O2 + 13 H2O
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-} + S + H{+} =>
5 ClO3{-} + 3 As2S3 + 9 H2O = 5 Cl{-} + 6 H2AsO4{-} + 9 S + 6 H{+}
Al2(SO4)3*14H2O + CaCO3 = CaSO4 + Al(OH)3 + CO2 + H2O =>
Al2(SO4)3*14H2O + 3 CaCO3 = 3 CaSO4 + 2 Al(OH)3 + 3 CO2 + 11 H2O
CH3CH2CHCH3Br + HCl = CH3CH2CH2CH3 + BrCl =>
CH3CH2CHCH3Br + HCl = CH3CH2CH2CH3 + BrCl
Na2MnO4 = Na + NaMnO4 =>
Na2MnO4 = Na + NaMnO4
MgSO4 + KNO3 = K2SO4 + Mg(NO3)2 =>
MgSO4 + 2 KNO3 = K2SO4 + Mg(NO3)2
Ca + O2 = CaO = O2 =>
2 Ca + O2 = 2 CaO
MnSO4(ac) + H2SO4(ac) + PbO2(s) = PbSO4(s) + H2O(l) + HMnO4(ac) =>
2 MnSO4(ac) + 3 H2SO4(ac) + 5 PbO2(s) = 5 PbSO4(s) + 2 H2O(l) + 2 HMnO4(ac)
NaOH + H2O + CO2 = NaH3CO4 =>
NaOH + H2O + CO2 = NaH3CO4
Pb(OH)2 + HI = HI(OH)2 + Pb =>
Pb(OH)2 + HI = HI(OH)2 + Pb
Mg + KHSO4 = H2 + MgSO4 + K2SO4 =>
Mg + 2 KHSO4 = H2 + MgSO4 + K2SO4
Na2SiO4 + Ba(OH)2 = NaOH + BaSiO4 =>
Na2SiO4 + Ba(OH)2 = 2 NaOH + BaSiO4
CrO7 + I{-} + H{+} = Cr + I2 + H2O =>
CrO7 + 14 I{-} + 14 H{+} = Cr + 7 I2 + 7 H2O
Cd3(PO4)2 + (NH4)2S = Cd2S2 + (NH4)3PO4 =>
2 Cd3(PO4)2 + 6(NH4)2S = 3 Cd2S2 + 4(NH4)3PO4
K2Cr2O7 + Fe(NH4)2(SO4)2*6H2O + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
K2Cr2O7 + 6 Fe(NH4)2(SO4)2*6H2O + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 6(NH4)2SO4 + 43 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
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