| Équations équilibrées la veille |
3 Na2S + 2 FeCl3 = 6 NaCl + Fe2S3
C17H21NO4 + C2H5OH = C18H23NO4 + H2O =>
2 C17H21NO4 + C2H5OH = 2 C18H23NO4 + H2O
HNO3 + CaSO3 = CaNO3 + HSO3 =>
HNO3 + CaSO3 = CaNO3 + HSO3
CuO + NH4CI = Cu + H2O + N2 + HCI =>
3 CuO + 2 NH4CI = 3 Cu + 3 H2O + N2 + 2 HCI
H2O + FeCl3 + Na2CO3 = CO2 + Fe(OH)3 + NaCl =>
3 H2O + 2 FeCl3 + 3 Na2CO3 = 3 CO2 + 2 Fe(OH)3 + 6 NaCl
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
SiO2 + H2O = Si(OH)4 =>
SiO2 + 2 H2O = Si(OH)4
KOH + BaF2 = KF + Ba(OH)2 =>
2 KOH + BaF2 = 2 KF + Ba(OH)2
MgI2 + Br2 = MgBr2 + I2 =>
MgI2 + Br2 = MgBr2 + I2
NH4(NO3)(s) = N2O(g) + H2O(l) =>
NH4(NO3)(s) = N2O(g) + 2 H2O(l)
Mg(s) + KNO3(aq) = K(s) + Mg3(NO3)2 =>
3 Mg(s) + 2 KNO3(aq) = 2 K(s) + Mg3(NO3)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
LiCl + Al2O3 = Li2O + AlCl3 =>
6 LiCl + Al2O3 = 3 Li2O + 2 AlCl3
Al2(CO3)3 + CH3COOH = CH3COOAl + H2O + CO2 =>
2 Al2(CO3)3 + 5 CH3COOH = 4 CH3COOAl + 4 H2O + 8 CO2
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
Y(NO3)3 + Al(NO3)3 + C6H8O7 = Y3Al5O12 + CO2 + H2O + N2 =>
9 Y(NO3)3 + 15 Al(NO3)3 + 20 C6H8O7 = 3 Y3Al5O12 + 120 CO2 + 80 H2O + 36 N2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
SCl2 + H3N = S4N4 + NH4Cl + S =>
6 SCl2 + 16 H3N = S4N4 + 12 NH4Cl + 2 S
NaCl = Na + Cl =>
NaCl = Na + Cl
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Bi(NO3)3 + SnCl2 + NaOH = Bi + Na2SnO3 + H2O + NaCl + NaNO3 =>
2 Bi(NO3)3 + 3 SnCl2 + 18 NaOH = 2 Bi + 3 Na2SnO3 + 9 H2O + 6 NaCl + 6 NaNO3
NaNO3 + K2CrO7 = Na2CrO7 + KNO3 =>
2 NaNO3 + K2CrO7 = Na2CrO7 + 2 KNO3
CuCl2 + CO2 = CuO + CCl4 =>
2 CuCl2 + CO2 = 2 CuO + CCl4
KClO3 + KI = KCl + KIO3 =>
KClO3 + KI = KCl + KIO3
HNO3 + Fe(OH)3 = H2O + Fe(NO3)3 =>
3 HNO3 + Fe(OH)3 = 3 H2O + Fe(NO3)3
H3BO3 + CH4O = C3H9BO3 + H2O =>
H3BO3 + 3 CH4O = C3H9BO3 + 3 H2O
MgCl2(aq) + Na2CO3(aq) = MgCO3(aq) + NaCl =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(aq) + 2 NaCl
FeCr2O4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 Na2CO3 + 7 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2
Ba(OH)2 + CoCl3 = BaCl3 + Co(OH)2 =>
Ba(OH)2 + CoCl3 = BaCl3 + Co(OH)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(NO3)2 + KOH = Fe(OH)3 + K + NO3 =>
Fe(NO3)2 + 3 KOH = Fe(OH)3 + 3 K + 2 NO3
NaCl + H{2}SO{6} = HCl + Na{2}SO{4} =>
NaCl + H{2}SO{6} = HCl + Na{2}SO{4}
Al + Cr2O8 = Al2O3 + Cr =>
16 Al + 3 Cr2O8 = 8 Al2O3 + 6 Cr
FeCl3 + Na2CO3 + H2O = Fe(OH)3 + NaCl + H2CO3 =>
2 FeCl3 + 3 Na2CO3 + 6 H2O = 2 Fe(OH)3 + 6 NaCl + 3 H2CO3
H{+} + CH3CH2OH + CrO4{2-} = Cr{3+} + CH3COOH + H2O =>
20 H{+} + 3 CH3CH2OH + 4 CrO4{2-} = 4 Cr{3+} + 3 CH3COOH + 13 H2O
KI + HCl + O2 = I2 + KCl + H2O =>
4 KI + 4 HCl + O2 = 2 I2 + 4 KCl + 2 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CaBr + HCl = CaCl + HBr =>
CaBr + HCl = CaCl + HBr
MgCl2(aq) + Na2CO3(aq) = NaCl(aq) + MgCO3(s) =>
MgCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + MgCO3(s)
CaCO3(aq) + NaCl(aq) + HCl(aq) = NaHCO3(aq) + CaCl2(aq) =>
CaCO3(aq) + NaCl(aq) + HCl(aq) = NaHCO3(aq) + CaCl2(aq)
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
H{+} + CH3CH2OH + CrO4{2-} = Cr{3+} + CH3COOH + H2O =>
20 H{+} + 3 CH3CH2OH + 4 CrO4{2-} = 4 Cr{3+} + 3 CH3COOH + 13 H2O
WC = W + C =>
WC = W + C
FeCl3 + K3PO4 = FePO4 + KCl =>
FeCl3 + K3PO4 = FePO4 + 3 KCl
HgSO4 + SnCl2 = HgCl2 + SnSO4 =>
HgSO4 + SnCl2 = HgCl2 + SnSO4
NH4Cl + NaOCl = H2O + NaCl + NH2Cl =>
NH4Cl + NaOCl = H2O + NaCl + NH2Cl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ag(NO3) + KSCN = AgSCN + K(NO3) =>
Ag(NO3) + KSCN = AgSCN + K(NO3)
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