| Équations équilibrées la veille |
2 Al + 2 HSO4 = H2 + Al2(SO4)2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2Cr2O7 + KJ + H2SO4 = Cr2(SO4)3 + H2O + J2 + K2SO4 =>
K2Cr2O7 + 6 KJ + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 3 J2 + 4 K2SO4
C5H7NO2 + O2 = CO2 + H2O + NO2 =>
4 C5H7NO2 + 27 O2 = 20 CO2 + 14 H2O + 4 NO2
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
K + H2SO4 = K(HSO4) + H2 =>
2 K + 2 H2SO4 = 2 K(HSO4) + H2
NaOH + C2H6Br = C2H7O + NaBr =>
NaOH + C2H6Br = C2H7O + NaBr
K2Se + H2O = KHSe + KOH =>
K2Se + H2O = KHSe + KOH
NaBiO3 + MnSO4 + NaOH + H2O = Na2MnO4 + Bi(OH)3 + Na2SO4 =>
2 NaBiO3 + MnSO4 + 2 NaOH + 2 H2O = Na2MnO4 + 2 Bi(OH)3 + Na2SO4
Cu2O(s) + O2 = CuO(s) =>
2 Cu2O(s) + O2 = 4 CuO(s)
KOH + Pb = Pb(OH)2 + K =>
2 KOH + Pb = Pb(OH)2 + 2 K
C19H40O + O2 = CO2 + H2O =>
2 C19H40O + 57 O2 = 38 CO2 + 40 H2O
Na + K2CO3 = Na2CO3 + K =>
2 Na + K2CO3 = Na2CO3 + 2 K
ClO3{-} + Cl{-} + H{+} = Cl2 + H2O =>
ClO3{-} + 5 Cl{-} + 6 H{+} = 3 Cl2 + 3 H2O
CH3CH2CH3 + Cl = CH3CH(Cl)CH3 + HCl =>
CH3CH2CH3 + 2 Cl = CH3CH(Cl)CH3 + HCl
RCHCOOHNH2 + O2 = RCOCOOH + NH3 =>
2 RCHCOOHNH2 + O2 = 2 RCOCOOH + 2 NH3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C3H6(s) + O2(g) + NH3(l) = C3H3N1 + H2O =>
2 C3H6(s) + 3 O2(g) + 2 NH3(l) = 2 C3H3N1 + 6 H2O
C6H5CH3 + O2 = C6H5CO2H + H2O =>
2 C6H5CH3 + 3 O2 = 2 C6H5CO2H + 2 H2O
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
Ba(OH)2 + (NH4)3Po4 = Ba3(Po4)2 + H2O + NH3 =>
3 Ba(OH)2 + 2(NH4)3Po4 = Ba3(Po4)2 + 6 H2O + 6 NH3
Cu + HClO = CuO + HCl =>
Cu + HClO = CuO + HCl
NH3 + HBr = NBr3 + H2 =>
NH3 + 3 HBr = NBr3 + 3 H2
NaCN + MnO2 + H2SO4 = MnO + (CN)2 + Na2SO4 + H2O =>
2 NaCN + MnO2 + H2SO4 = MnO + (CN)2 + Na2SO4 + H2O
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
K + FeBr3 = Fe + KBr =>
3 K + FeBr3 = Fe + 3 KBr
Mg + Ag3N = Ag + Mg3N2 =>
3 Mg + 2 Ag3N = 6 Ag + Mg3N2
CH3CH2OH + KI + NaOH = CHI3 + HCOONa + HI + K =>
CH3CH2OH + 8 KI + NaOH = CHI3 + HCOONa + 5 HI + 8 K
C8H18O + H2O = C8H20O2 =>
C8H18O + H2O = C8H20O2
NaONHCl = NaClHON =>
NaONHCl = NaClHON
Fe + S = FeS =>
Fe + S = FeS
CrO3 + HCl = CrCl3 + Cl2 + H2O =>
2 CrO3 + 12 HCl = 2 CrCl3 + 3 Cl2 + 6 H2O
HNO3 + Li2SO3 = HSO3 + Li2NO3 =>
HNO3 + Li2SO3 = HSO3 + Li2NO3
KClO + NH3 = KCl + N2 + H2O =>
3 KClO + 2 NH3 = 3 KCl + N2 + 3 H2O
SrCl2H2SO4 = SrSO4H2Cl2 =>
SrCl2H2SO4 = SrSO4H2Cl2
C8H18 + O2 = C02 + H2O =>
2 C8H18 + 9 O2 = 8 C02 + 18 H2O
Lu2O3 + MoO3 + Cr2O3 = LuCrMo0O3 + O2 =>
Lu2O3 + 2 MoO3 + Cr2O3 = 2 LuCrMo0O3 + 3 O2
Na2HPO3 = Na3PO4 + Na4P2O7 + PH3 + H2O =>
8 Na2HPO3 = 4 Na3PO4 + Na4P2O7 + 2 PH3 + H2O
KCrO2 + Pb0 + KOH = K2CrO2 + K2PbO2 + H2O =>
2 KCrO2 + Pb0 + 4 KOH = 2 K2CrO2 + K2PbO2 + 2 H2O
C8H18 = CH4 + C6H8 =>
8 C8H18 = 22 CH4 + 7 C6H8
NaClO + NaCl + H3O = Cl2 + NaOH =>
4 NaClO + 2 NaCl + 2 H3O = 3 Cl2 + 6 NaOH
ZnCaCO3 = ZnCO3Ca =>
ZnCaCO3 = ZnCO3Ca
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
Ca(OH)2 = Ca + H2O + O2 =>
2 Ca(OH)2 = 2 Ca + 2 H2O + O2
HNO3 + Fe3O4 = Fe(NO3)3 + NO2 + H2O =>
10 HNO3 + Fe3O4 = 3 Fe(NO3)3 + NO2 + 5 H2O
ZnCl2 + KOH = Zn(OH) + Cl2K =>
ZnCl2 + KOH = Zn(OH) + Cl2K
NO + NaOH = NaNO2 + N2 + H2O =>
6 NO + 4 NaOH = 4 NaNO2 + N2 + 2 H2O
NaClO + NaCl + H3O = Cl2 + NaOH =>
4 NaClO + 2 NaCl + 2 H3O = 3 Cl2 + 6 NaOH
MnF5 + U2O3 = Mn2O5 + UF3 =>
6 MnF5 + 5 U2O3 = 3 Mn2O5 + 10 UF3
HCO3{-} + H2S = H2CO3 + HS{-} =>
HCO3{-} + H2S = H2CO3 + HS{-}
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