| Équations équilibrées la veille |
2 Nh4ReO4 + 7 H2S + 2 HCl = Re2S7 + 2 Nh4Cl + 8 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Na2Cr2O7 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
Na2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = 4 Na2SO4 + Cr2(SO4)3 + 4 H2O
NaHCO3 + ZnSO4 = ZnCO3 + NaHSO4 =>
NaHCO3 + ZnSO4 = ZnCO3 + NaHSO4
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Ag2SO4 + K3[Fe(CN)6] = Ag3[Fe(CN)6] + K2SO4 =>
3 Ag2SO4 + 2 K3[Fe(CN)6] = 2 Ag3[Fe(CN)6] + 3 K2SO4
Ni(NO3)2 + Ba(OH)2 = Ni(OH)2 + Ba(NO3)2 =>
Ni(NO3)2 + Ba(OH)2 = Ni(OH)2 + Ba(NO3)2
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2 =>
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2
LiCI + NaOH = LiOH + NaCI =>
LiCI + NaOH = LiOH + NaCI
Ca(IO3)2 = Ca{2+} + IO3{-} =>
Ca(IO3)2 = Ca{2+} + 2 IO3{-}
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Cl2O7 + NaOH + Cr2S3 = Na2Cr2O7 + Na2SO4 + Cl2 + H2O =>
15 Cl2O7 + 56 NaOH + 7 Cr2S3 = 7 Na2Cr2O7 + 21 Na2SO4 + 15 Cl2 + 28 H2O
Ba(OH)2CO2 = BaCO3 + H2O =>
Ba(OH)2CO2 = BaCO3 + H2O
K2Cr2O7 + C6H12O6 + HCl = CrCl3 + KCl + CO2 + H2O =>
4 K2Cr2O7 + C6H12O6 + 32 HCl = 8 CrCl3 + 8 KCl + 6 CO2 + 22 H2O
KIO3 + KI + H2SO4 = K2SO4 + H2O*I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O*I2
H3PO4 + Ca = H + Ca3(PO4)2 =>
2 H3PO4 + 3 Ca = 6 H + Ca3(PO4)2
Na3P + O2 = Na3PO4 =>
Na3P + 2 O2 = Na3PO4
NH4NO3 + CH3NO2 = N2 + CO2 + H2O =>
3 NH4NO3 + 2 CH3NO2 = 4 N2 + 2 CO2 + 9 H2O
FeCl3 + NH4CNS = Fe(CNS)3 + NH4Cl =>
FeCl3 + 3 NH4CNS = Fe(CNS)3 + 3 NH4Cl
KClO3(s) = KCl(ag) + O2(g) =>
2 KClO3(s) = 2 KCl(ag) + 3 O2(g)
PF3F2 = PF5 =>
PF3F2 = PF5
C8H18 + CuO = HCHO + H2O + Cu =>
C8H18 + 9 CuO = 8 HCHO + H2O + 9 Cu
C4H9Br + NH3 = HBr + C4H9NH2 =>
C4H9Br + NH3 = HBr + C4H9NH2
O = O5 =>
5 O = O5
K2Cr2O7 + HCl + FeS = KCl + CrCl3 + FeCl3 + H2O + H2S =>
K2Cr2O7 + 26 HCl + 6 FeS = 2 KCl + 2 CrCl3 + 6 FeCl3 + 7 H2O + 6 H2S
C3H8 + H2O = H2 + CO =>
C3H8 + 3 H2O = 7 H2 + 3 CO
ZnS + LiCl = ZnCl2 + Li2S =>
ZnS + 2 LiCl = ZnCl2 + Li2S
PbCH3OO + KCl = PbCl + KCH3OO =>
PbCH3OO + KCl = PbCl + KCH3OO
Na2SiO3 + CO2 + H2O = Na2CO3 + H2SiO3 =>
Na2SiO3 + CO2 + H2O = Na2CO3 + H2SiO3
CuSO4 + NH3*H2O = [Cu(NH3)4(H2O)2](OH)2 + (NH4)2SO4 + H2O =>
CuSO4 + 6 NH3*H2O = [Cu(NH3)4(H2O)2](OH)2 + (NH4)2SO4 + 2 H2O
Ca3(PO4)2*KAlSiO4*Ca3(PO4)2 + Ca3(PO4)2 = Ca3(PO4)2*KAlSiO4*Ca3(PO4)2*Ca3(PO4)2 =>
Ca3(PO4)2*KAlSiO4*Ca3(PO4)2 + Ca3(PO4)2 = Ca3(PO4)2*KAlSiO4*Ca3(PO4)2*Ca3(PO4)2
C3H8 + H2O = H2 + CO =>
C3H8 + 3 H2O = 7 H2 + 3 CO
C6H5OCH2 + O2 = CO2 + H2O =>
4 C6H5OCH2 + 33 O2 = 28 CO2 + 14 H2O
AlCl3 + K3(PO4) = Al(PO4) + KCl =>
AlCl3 + K3(PO4) = Al(PO4) + 3 KCl
C6H5NH2 = C6H5 + NH2 =>
C6H5NH2 = C6H5 + NH2
NaBr + H3PO = Na3PO + HBr =>
3 NaBr + H3PO = Na3PO + 3 HBr
K2CrO4 + HCl = KCl + CrCl3 + Cl2 + H2O =>
2 K2CrO4 + 16 HCl = 4 KCl + 2 CrCl3 + 3 Cl2 + 8 H2O
IO3{-} + H{+} + e = I2 + H2O =>
2 IO3{-} + 12 H{+} + 10e = I2 + 6 H2O
C6H12 + Br2 = HBr + C =>
C6H12 + 6 Br2 = 12 HBr + 6 C
B5H9 + O = B2O3 + H2O =>
2 B5H9 + 24 O = 5 B2O3 + 9 H2O
HNO2 = NO3 + NO + H2O =>
4 HNO2 = NO3 + 3 NO + 2 H2O
KMnO4 + H2SO4 + H2O(NH4)2Fe(SO4)2 = K2SO4 + MnSO4 + Fe2(SO4)3 + (NH4)2SO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 H2O(NH4)2Fe(SO4)2 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 10(NH4)2SO4 + 18 H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
HC1 + Ca(OH)2 = CaC2 + H2O =>
2 HC1 + Ca(OH)2 = CaC2 + 2 H2O
C2H6O + O2 = CO3 + H2O =>
C2H6O + 4 O2 = 2 CO3 + 3 H2O
Na + BaO = Ba + Na2O =>
2 Na + BaO = Ba + Na2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CH3CCI3 + O2 = CO2 + H2O + CI2 =>
4 CH3CCI3 + 9 O2 = 6 CO2 + 6 H2O + 6 CI2
KI + NH3CO3 = KCO3 + INH3 =>
KI + NH3CO3 = KCO3 + INH3
NaOH + HCl + Cu = Cu(OH)2 + NaCl + H =>
2 NaOH + 2 HCl + Cu = Cu(OH)2 + 2 NaCl + 2 H
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