| Équations équilibrées la veille |
4 MnS2O3 + 13 Cl2O + 46 KOH = 4 KMnO4 + 8 K2SO4 + 26 KCl + 23 H2O
C + KNO3 + S = K2S + N2 + CO2 =>
3 C + 2 KNO3 + S = K2S + N2 + 3 CO2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
CH3CHCOOH + NaOH = CH3CHCOONa + H2O =>
CH3CHCOOH + NaOH = CH3CHCOONa + H2O
Ba(CN)2 + Pb = Ba + Pb(CN)2 =>
Ba(CN)2 + Pb = Ba + Pb(CN)2
CuSO4 + AgNo3 = Ag2SO4 + Cu(No3)2 =>
CuSO4 + 2 AgNo3 = Ag2SO4 + Cu(No3)2
K2Cr2O7 + C5H12 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + CO2 =>
16 K2Cr2O7 + 3 C5H12 + 64 H2SO4 = 16 Cr2(SO4)3 + 16 K2SO4 + 82 H2O + 15 CO2
C6H11Br + CH3Br + Na = C6H11CH3 + NaBr =>
C6H11Br + CH3Br + 2 Na = C6H11CH3 + 2 NaBr
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
LiNO3 + AgCl = AgNO3 + LiCl =>
LiNO3 + AgCl = AgNO3 + LiCl
CH3COONH4 + AgNO3 = NH4NO3 + CH3COOAg =>
CH3COONH4 + AgNO3 = NH4NO3 + CH3COOAg
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
ZnCuSO4 = ZnSO4Cu =>
ZnCuSO4 = ZnSO4Cu
CH3CH2COOH + NaOH = C2H6 + NaCO3 + H2O =>
16 CH3CH2COOH + 14 NaOH = 17 C2H6 + 14 NaCO3 + 4 H2O
NaOH + Al2(SO4)3 + H2O = NaSO4 + Al(OH)3 + H =>
3 NaOH + Al2(SO4)3 + 3 H2O = 3 NaSO4 + 2 Al(OH)3 + 3 H
HCl + NH4 = NHCl + H =>
HCl + NH4 = NHCl + 4 H
Na2 + AlCl3 = Al + NaCl3 =>
Na2 + 2 AlCl3 = 2 Al + 2 NaCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(OH)2 + HCl = H2O + Mg(Cl)2 =>
Mg(OH)2 + 2 HCl = 2 H2O + Mg(Cl)2
K2S + Sr3(PO4)2 = K3PO4 + SrS =>
3 K2S + Sr3(PO4)2 = 2 K3PO4 + 3 SrS
KCHO3 + HCl = CO2 + H2O + KCl =>
KCHO3 + HCl = CO2 + H2O + KCl
Al + NaCl = AlNaCl =>
Al + NaCl = AlNaCl
CO + NaCrO7 + H2SO4 = CO2 + Cr2(SO4)3 + Na2SO4 + H2O =>
10 CO + 2 NaCrO7 + 4 H2SO4 = 10 CO2 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Ag(s) + NO2(g) + O2(g) = AgNO3(s) =>
2 Ag(s) + 2 NO2(g) + O2(g) = 2 AgNO3(s)
MnO4{-} + H2S + H{+} = Mn{+2} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{+2} + 5 S + 8 H2O
AlO + Cu2 = CuO + Al =>
2 AlO + Cu2 = 2 CuO + 2 Al
KNO3 + C12H22O11 = CO2 + H2O + K + NO2 =>
24 KNO3 + C12H22O11 = 12 CO2 + 11 H2O + 24 K + 24 NO2
C6H8(s) + O2(g) = CO2(g) + H2O(g) =>
C6H8(s) + 8 O2(g) = 6 CO2(g) + 4 H2O(g)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Al + HCl + H2O = AlCl(OH)3 + H2 =>
Al + HCl + 3 H2O = AlCl(OH)3 + 2 H2
HI(aq) + Pb(C2H3O2)2(aq) = PbI2(s) + HC2H3O2(aq) =>
2 HI(aq) + Pb(C2H3O2)2(aq) = PbI2(s) + 2 HC2H3O2(aq)
Cr + CuCl = Cu + CrCl3 =>
Cr + 3 CuCl = 3 Cu + CrCl3
C6H12O6 + O6 = CO2 + H2O =>
C6H12O6 + 2 O6 = 6 CO2 + 6 H2O
NaOH + NH4Cl = NaCl + NH3 + H2O =>
NaOH + NH4Cl = NaCl + NH3 + H2O
Fe + Na2 = Fe3Na2 =>
3 Fe + Na2 = Fe3Na2
AlCl3 + KHCO3 = KCl + Al(OH)3 + CO2 =>
AlCl3 + 3 KHCO3 = 3 KCl + Al(OH)3 + 3 CO2
C7H6O + C2H5OH = C7H6CH2CHCH3 + O =>
6 C7H6O + 4 C2H5OH = 5 C7H6CH2CHCH3 + 10 O
Mn2O7 + C2H5OH = MnO2 + H2O + CO2 =>
2 Mn2O7 + C2H5OH = 4 MnO2 + 3 H2O + 2 CO2
CuC2 + O2 = CuO + C =>
2 CuC2 + O2 = 2 CuO + 4 C
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mn + H2SO4 = MnSO4 + SO2 + H2O =>
Mn + 2 H2SO4 = MnSO4 + SO2 + 2 H2O
KIO3 + KI + H2SO4 = I2 + K2SO4 + H2O =>
KIO3 + 5 KI + 3 H2SO4 = 3 I2 + 3 K2SO4 + 3 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Co(NO3)2(aq) + H2S(g) = CoS(s) + HNO3(aq) =>
Co(NO3)2(aq) + H2S(g) = CoS(s) + 2 HNO3(aq)
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Cl + Fe(NO3)3 = NO3 + FeCl3 =>
3 Cl + Fe(NO3)3 = 3 NO3 + FeCl3
C6O3H15 + O2 = CO2 + H2O =>
4 C6O3H15 + 33 O2 = 24 CO2 + 30 H2O
Ca + Cr2O2 = Cr + CaO =>
2 Ca + Cr2O2 = 2 Cr + 2 CaO
LiCl + H2SO4 = LiH2 + ClSO4 =>
LiCl + H2SO4 = LiH2 + ClSO4
C2H5NH2 + HBr = C2H5Br + NH3 =>
C2H5NH2 + HBr = C2H5Br + NH3
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