| Équations équilibrées la veille |
K2Cr2O7 + 4 KOH + 7 H2O2 = 2 K3Cr(O2)4 + 9 H2O
Nb + O2 = NbO =>
2 Nb + O2 = 2 NbO
Pb(NO3)2 + Zn = ZnPb + (NO3)2 =>
Pb(NO3)2 + Zn = ZnPb + (NO3)2
C8H9NO + HNO3 + H2SO4 = C8H8N2O3 + H3O{+} + HSO4{-} =>
C8H9NO + HNO3 + H2SO4 = C8H8N2O3 + H3O{+} + HSO4{-}
C2H6O2 + K2CO3 = CH3OK + CO2 + H2O =>
6 C2H6O2 + 5 K2CO3 = 10 CH3OK + 7 CO2 + 3 H2O
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
CuSO4 + NaCl = (Na)2SO4 + CuCl2 =>
CuSO4 + 2 NaCl = (Na)2SO4 + CuCl2
Pb2NO3 + KBr = Pb2Br + NO3K =>
Pb2NO3 + KBr = Pb2Br + NO3K
Na3PO4 + Zn(NO3)2 = NaNO3 + Zn3(PO4)2 =>
2 Na3PO4 + 3 Zn(NO3)2 = 6 NaNO3 + Zn3(PO4)2
C25H30N3Cl + NaOH = C25H30N3OH + NaCl =>
C25H30N3Cl + NaOH = C25H30N3OH + NaCl
C7H14CH3 + KMnO4 + H2SO4 = C6H12COOH + MnSO4 + K2SO4 + H2O =>
70 C7H14CH3 + 94 KMnO4 + 141 H2SO4 = 80 C6H12COOH + 94 MnSO4 + 47 K2SO4 + 216 H2O
HCl + Fe2O3 = Fe(Cl)3 + H2O =>
6 HCl + Fe2O3 = 2 Fe(Cl)3 + 3 H2O
(CuO) + NH3 = N2 + Cu + H2O =>
3(CuO) + 2 NH3 = N2 + 3 Cu + 3 H2O
NaHCO3(aq) + H2SO4(aq) = Na2SO4 + H2O(l) + CO2(g) =>
2 NaHCO3(aq) + H2SO4(aq) = Na2SO4 + 2 H2O(l) + 2 CO2(g)
K2S + CuSO4 = K2SCuSO4 =>
K2S + CuSO4 = K2SCuSO4
Ba(NO3)2(aq) + Al2(SO4)3(at) = Al(NO3)3 + BaSO4 =>
3 Ba(NO3)2(aq) + Al2(SO4)3(at) = 2 Al(NO3)3 + 3 BaSO4
C6H14 + I2 = C6H12 + HI =>
C6H14 + I2 = C6H12 + 2 HI
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al(OH3) + HC2H3O2 = AlC2H3O2 + HOH3 =>
Al(OH3) + HC2H3O2 = AlC2H3O2 + HOH3
Cl2 + SnCl2 + NaOH = Na2[Sn(OH)6] + NaCl =>
Cl2 + SnCl2 + 6 NaOH = Na2[Sn(OH)6] + 4 NaCl
C45H87O6 + H2O = C3H8O3 + C14H84O6 =>
188 C45H87O6 + 6252 H2O = 2190 C3H8O3 + 135 C14H84O6
POCl3 + H2O = H3PO4 + HCl =>
POCl3 + 3 H2O = H3PO4 + 3 HCl
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
MnO2 + H2 = H2O + MnO =>
MnO2 + H2 = H2O + MnO
Cu2Cl(OH)3 + H2SO4 = CuSO4 + CuCl2 + H2O =>
2 Cu2Cl(OH)3 + 3 H2SO4 = 3 CuSO4 + CuCl2 + 6 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
C9H19CHO + O2 = CO2 + H2O =>
2 C9H19CHO + 29 O2 = 20 CO2 + 20 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
H2CO3 + Cr(OH)3 = H2O + Cr(OH) + CO3 =>
H2CO3 + Cr(OH)3 = 2 H2O + Cr(OH) + CO3
C6H4(CH3)2 + KMnO4 = C6H4(COOH)2 + MnO2 + KOH =>
C6H4(CH3)2 + 4 KMnO4 = C6H4(COOH)2 + 4 MnO2 + 4 KOH
NH4HSO4 = NH3 + SO3 + H2O =>
NH4HSO4 = NH3 + SO3 + H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Ca(OH)2 + HMnO4 = Ca(MnO4)2 + H2O =>
Ca(OH)2 + 2 HMnO4 = Ca(MnO4)2 + 2 H2O
FeCl2 + MgSO4 = MgCl2 + FeSO4 =>
FeCl2 + MgSO4 = MgCl2 + FeSO4
O + C2H4 = CH2O =>
2 O + C2H4 = 2 CH2O
KCHO3 = K2CO3 + CO2 + H2O =>
2 KCHO3 = K2CO3 + CO2 + H2O
C6H14 + O2 = C3O + H7O =>
C6H14 + 2 O2 = 2 C3O + 2 H7O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
PH3 + O2 = P4O10 + H2O =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
K2Cr2O7 + H2O + (NH4)2S = KOH + Cr(OH)3 + S + NH3 =>
K2Cr2O7 + H2O + 3(NH4)2S = 2 KOH + 2 Cr(OH)3 + 3 S + 6 NH3
BaF2 + HNO3 = Ba(NO3) + HF2 =>
BaF2 + HNO3 = Ba(NO3) + HF2
H2O + Cr{3+} + Au{3+} = Cr2O7{-2} + H{+} + Au =>
7 H2O + 2 Cr{3+} + 2 Au{3+} = Cr2O7{-2} + 14 H{+} + 2 Au
H2SO3 + Cr = H2CrSO3 =>
H2SO3 + Cr = H2CrSO3
MgO + Ca(OH)2 = Mg(OH)2 + Ca(O) =>
MgO + Ca(OH)2 = Mg(OH)2 + Ca(O)
Na2CrO4 + Ag(NO3) = Na2(NO3) + AgCrO4 =>
Na2CrO4 + Ag(NO3) = Na2(NO3) + AgCrO4
Li2O + N2O5 = LiNO3 =>
Li2O + N2O5 = 2 LiNO3
Fe(OH)3 + HNO2 = Fe(NO2)3 + HOH =>
Fe(OH)3 + 3 HNO2 = Fe(NO2)3 + 3 HOH
C12H23(g) + O2(g) = CO2(g) + H2O(g) =>
4 C12H23(g) + 71 O2(g) = 48 CO2(g) + 46 H2O(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SO2 + AuCl3 + H2O = SO3 + HCl + Au =>
3 SO2 + 2 AuCl3 + 3 H2O = 3 SO3 + 6 HCl + 2 Au
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