| Équations équilibrées la veille |
2 NO + O2 = 2 NO2
NaHCO3 + CH3CO2H = NaCH3CO2 + H2O + CO2 =>
NaHCO3 + CH3CO2H = NaCH3CO2 + H2O + CO2
NH4 + NO3 = N2 + H2O =>
6 NH4 + 4 NO3 = 5 N2 + 12 H2O
O + Sb2S3 = Sb2O4 + SO2 =>
10 O + Sb2S3 = Sb2O4 + 3 SO2
Hg(NO3)2 = HgO + NO2 + O2 =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2 + O2 + H2 = HNO3 =>
N2 + 3 O2 + H2 = 2 HNO3
C2H4 + O2 = CO + H2O =>
C2H4 + 2 O2 = 2 CO + 2 H2O
CH4 + CH2 = C2H6 =>
CH4 + CH2 = C2H6
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al + Pb(ClO3)2 = Al(ClO3)2 + Pb =>
Al + Pb(ClO3)2 = Al(ClO3)2 + Pb
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2 =>
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CrS + O2 = CrO + SO2 =>
2 CrS + 3 O2 = 2 CrO + 2 SO2
Zn + Na1O1H1 = H2 + Na2ZnO2 =>
Zn + 2 Na1O1H1 = H2 + Na2ZnO2
SiH4 + H2O = H2SiO3 + H2 =>
SiH4 + 3 H2O = H2SiO3 + 4 H2
Li + HOH = LiOH + H2 =>
2 Li + 2 HOH = 2 LiOH + H2
Fe2O3 + Cl2 = FeCl3 + O2 =>
2 Fe2O3 + 6 Cl2 = 4 FeCl3 + 3 O2
Hg(NO3)2 = HgO + NO2 + O2 =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
(a)CO2(g) + H2O(l) = C6H12O6(s) + O2(g) =>
6(a)CO2(g) + 6 H2O(l) = C6H12O6(s) + 6 O2(g)
NaClO2(aq) + H2SO4(aq) = Na2SO4(aq) + HClO2(aq) =>
2 NaClO2(aq) + H2SO4(aq) = Na2SO4(aq) + 2 HClO2(aq)
Cr(NO3)3 + KOH = Cr(OH)3 + KNO3 =>
Cr(NO3)3 + 3 KOH = Cr(OH)3 + 3 KNO3
Au + NaBr = AuNa + Br =>
Au + NaBr = AuNa + Br
Ce(OH)3NaOH = Na[Ce(OH)4] =>
Ce(OH)3NaOH = Na[Ce(OH)4]
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
SnO + C = Sn + CO2 =>
2 SnO + C = 2 Sn + CO2
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb =>
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb
CuSO4(aq) + K2CO3(aq) = CuCO3(s) + K2SO4 =>
CuSO4(aq) + K2CO3(aq) = CuCO3(s) + K2SO4
SO3 + NaOH = SO4Na2 + H2O =>
SO3 + 2 NaOH = SO4Na2 + H2O
K + HBr = KBr2 + H2 =>
K + 2 HBr = KBr2 + H2
SiP + Cl2 = SiCl4 + P =>
SiP + 2 Cl2 = SiCl4 + P
NaClO3 + NaCl = NaClO =>
NaClO3 + 2 NaCl = 3 NaClO
CH3NH2 + H2O = OH + CH4NH3 =>
CH3NH2 + 2 H2O = 2 OH + CH4NH3
CuS + HNO3 = Cu*(NO3)2 + NO2 + S8 + H2O =>
8 CuS + 32 HNO3 = 8 Cu*(NO3)2 + 16 NO2 + S8 + 16 H2O
Cr2O3 + CO2 = CrO4 + CO =>
Cr2O3 + 5 CO2 = 2 CrO4 + 5 CO
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
Al2S3O12 + CaCl2 = AlCl3 + CaSO4 =>
Al2S3O12 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
Mn(OH)2 + HF = HOH + MnF2 =>
Mn(OH)2 + 2 HF = 2 HOH + MnF2
NH4CN + Fe(NO3)3 = NH4NO3 + Fe(CN)3 =>
3 NH4CN + Fe(NO3)3 = 3 NH4NO3 + Fe(CN)3
C2H5OH(g) + O2(g) = CO2(g) + H2O =>
C2H5OH(g) + 3 O2(g) = 2 CO2(g) + 3 H2O
BaCl2 + PbO2 + H2SO4 = Cl2 + Pb2SO4 + BaSO4 + H2O =>
3 BaCl2 + 2 PbO2 + 4 H2SO4 = 3 Cl2 + Pb2SO4 + 3 BaSO4 + 4 H2O
La(OH)2 + HClO3 = La(ClO3)2 + H2O =>
La(OH)2 + 2 HClO3 = La(ClO3)2 + 2 H2O
N2S + HNO3 = H2SO4 + NO2 + H2O =>
N2S + 14 HNO3 = H2SO4 + 16 NO2 + 6 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
CuBr3 + NaOH = Cu(OH)3 + NaBr =>
CuBr3 + 3 NaOH = Cu(OH)3 + 3 NaBr
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Équations équilibrées sur12/16/24
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