| Équations équilibrées la veille |
4 HNO3(l) = 4 NO2(g) + 2 H2O(l) + O2(g)
HNO2 + Pb = H2 + Pb(NO2)2 =>
2 HNO2 + Pb = H2 + Pb(NO2)2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
PbS + H3PO4 = H2S + Pb3(PO4)2 =>
3 PbS + 2 H3PO4 = 3 H2S + Pb3(PO4)2
H3O4P + Ca(OH)2 = Ca(H2PO4)2 + H2O =>
2 H3O4P + Ca(OH)2 = Ca(H2PO4)2 + 2 H2O
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Fe + CuSO4 = Cu + Fe2(SO4) =>
2 Fe + CuSO4 = Cu + Fe2(SO4)
K2CrO7 + SnCl2 + HCl = ClCr3 + SnCl4 + H2O + K =>
6 K2CrO7 + 41 SnCl2 + 84 HCl = 2 ClCr3 + 41 SnCl4 + 42 H2O + 12 K
AICI3 + SCI2 = AI2S + CI2 =>
AICI3 + SCI2 = AI2S + 2 CI2
SO2 + KClO3(s) = ClO2 + K2SO4 =>
SO2 + 2 KClO3(s) = 2 ClO2 + K2SO4
Fe{3+} + Ag = Fe{2+} + Ag{+} =>
Fe{3+} + Ag = Fe{2+} + Ag{+}
Al(ClO3) = Al + ClO3 =>
Al(ClO3) = Al + ClO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
CsCl + NH4NO3 = CsNO3 + NH4Cl =>
CsCl + NH4NO3 = CsNO3 + NH4Cl
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(s) + H2O(l) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O(l)
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)3(aq) + Cd(s) =>
2 Fe(s) + 3 Cd(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Cd(s)
NaI = I + Na =>
NaI = I + Na
AlN3 + NaS2 = AlS2 + NaN3 =>
AlN3 + NaS2 = AlS2 + NaN3
SF4 + H2O = HF + SO2 =>
SF4 + 2 H2O = 4 HF + SO2
CaO + Al(OH)3 = AlCa(OH)3 + O =>
CaO + Al(OH)3 = AlCa(OH)3 + O
C6H8O7 + CH4N2O + C2H5OH = C6H5NO3 + H2O =>
26 C6H8O7 + 18 CH4N2O + 21 C2H5OH = 36 C6H5NO3 + 113 H2O
(CH4) + Sn + H2 = (CH3)SnH3 =>
(CH4) + Sn + H2 = (CH3)SnH3
C17H33COOH + SOCl2 = C17H33COCl + HCl + SO2 =>
C17H33COOH + SOCl2 = C17H33COCl + HCl + SO2
CaH2 + CO2 = CaCO3 + CH4 =>
2 CaH2 + 3 CO2 = 2 CaCO3 + CH4
Na2[Cr(OH)4] + Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
Na2[Cr(OH)4] + 2 Cl2 + 4 NaOH = Na2CrO4 + 4 NaCl + 4 H2O
C7H8 + KMnO4 + H2SO4 = C7H8O2 + K2SO4 + MnSO4 + H2O =>
5 C7H8 + 4 KMnO4 + 6 H2SO4 = 5 C7H8O2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
Fe + CO2 = Fe3O3 + CO =>
3 Fe + 3 CO2 = Fe3O3 + 3 CO
Mg(ClO3)2 = MgCl2 + O2 =>
Mg(ClO3)2 = MgCl2 + 3 O2
SO + MgO = MgO2 + S =>
SO + MgO = MgO2 + S
FeS2 + O2 + H2O = H2SO4 + Fe(OH)3 =>
4 FeS2 + 15 O2 + 14 H2O = 8 H2SO4 + 4 Fe(OH)3
(a)O2(g) + N2(g) = (b)NO2(g) =>
2(a)O2(g) + N2(g) = 2(b)NO2(g)
NaOH(aq) + CoSO4(aq) = Co(OH)2(aq) + Na2SO4(aq) =>
2 NaOH(aq) + CoSO4(aq) = Co(OH)2(aq) + Na2SO4(aq)
Fe + AuBr = Au + FeBr3 =>
Fe + 3 AuBr = 3 Au + FeBr3
Fe2O3 + H2SO4 = Fe2(SO4)3(aq) + H2O(l) =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3(aq) + 3 H2O(l)
CH3CO2H + Al(OH)3 = H2O + Al(CH3CO2)3 =>
3 CH3CO2H + Al(OH)3 = 3 H2O + Al(CH3CO2)3
Al + H2SO4 = Al2(SO4)3 + H2O + SO2 =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 6 H2O + 3 SO2
Bi(NO3)3 + NaOH + Na2SnO2 = Bi + Na2SnO4 + NaNO3 + H2O =>
4 Bi(NO3)3 + 12 NaOH + 3 Na2SnO2 = 4 Bi + 3 Na2SnO4 + 12 NaNO3 + 6 H2O
CH4(g) + O2(s) = CO2(g) + H2O(l) =>
CH4(g) + 2 O2(s) = CO2(g) + 2 H2O(l)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
VO2Cl + Cl2 = VOCl2 + O2 =>
2 VO2Cl + Cl2 = 2 VOCl2 + O2
Ba(NO3)2 + TiO(NO3)2 + C2H5NO2 = BaTiO3 + N2 + CO2 + H2O =>
9 Ba(NO3)2 + 9 TiO(NO3)2 + 20 C2H5NO2 = 9 BaTiO3 + 28 N2 + 40 CO2 + 50 H2O
CH3OH + CuO = Cu2O + HCOH + H2O =>
CH3OH + 2 CuO = Cu2O + HCOH + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H7O + MnO4{-} + H{+} = C2H4O2 + Mn{2+} + H2O =>
C2H7O + MnO4{-} + 3 H{+} = C2H4O2 + Mn{2+} + 3 H2O
Mn + Co2NO3 = Mn2NO3 + Co2 =>
2 Mn + Co2NO3 = Mn2NO3 + Co2
MgSO4 + KI = MgI2 + K2SO4 =>
MgSO4 + 2 KI = MgI2 + K2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
H(NO3) + H2S = NO2 + H2O + S =>
2 H(NO3) + H2S = 2 NO2 + 2 H2O + S
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