| Équations équilibrées la veille |
2 Cs(s) + 2 HBr(aq) = 2 BrCs + H2
Fe + Mg(NO3)2 = Fe(NO3)2 + Mg =>
Fe + Mg(NO3)2 = Fe(NO3)2 + Mg
CaCO3 + H2S + H2O = CaSO4 + CH4 =>
CaCO3 + H2S + H2O = CaSO4 + CH4
CoCl2 + K4[Fe(CN)6] = Co2Fe(CN)6 + KCl =>
2 CoCl2 + K4[Fe(CN)6] = Co2Fe(CN)6 + 4 KCl
C2H5N + HNO3 = CO2 + H2O + N2 =>
5 C2H5N + 13 HNO3 = 10 CO2 + 19 H2O + 9 N2
K3[Fe(NCS)6] + KF = K3[FeF6] + KSCN =>
K3[Fe(NCS)6] + 6 KF = K3[FeF6] + 6 KSCN
Sn(ClO3)4 = SnCl4 + O2 =>
Sn(ClO3)4 = SnCl4 + 6 O2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Na2SO3 + HClO3 = NaClO3 + H2O + SO2 =>
Na2SO3 + 2 HClO3 = 2 NaClO3 + H2O + SO2
C6H12(l) + O2 = CO2(g) + H2O(g) =>
C6H12(l) + 9 O2 = 6 CO2(g) + 6 H2O(g)
CH5N + O2 = CO + H2O + NO =>
4 CH5N + 9 O2 = 4 CO + 10 H2O + 4 NO
MgCO3*Mg(OH)2*3H2O + HNO3 = H2CO3 + Mg(NO3)2 + H2O =>
MgCO3*Mg(OH)2*3H2O + 4 HNO3 = H2CO3 + 2 Mg(NO3)2 + 5 H2O
Na2O + C = Na + CO =>
Na2O + C = 2 Na + CO
ZnO + HClO4 = Zn(ClO4)2 + H2O =>
ZnO + 2 HClO4 = Zn(ClO4)2 + H2O
H2O + K2Cr2O7 + Pb(NO3)2 = KNO3 + PbCrO4 + H2CrO4 =>
H2O + K2Cr2O7 + Pb(NO3)2 = 2 KNO3 + PbCrO4 + H2CrO4
Rb2O = Rb + O =>
Rb2O = 2 Rb + O
N2O3 = N2 + O2 =>
2 N2O3 = 2 N2 + 3 O2
Ru + O2 = RuO4 =>
Ru + 2 O2 = RuO4
K2CO3(aq) + HCl = KCl + CO2 + H2O =>
K2CO3(aq) + 2 HCl = 2 KCl + CO2 + H2O
P4 + H2O + KOH = PH3 + KH2PO4 =>
2 P4 + 9 H2O + 3 KOH = 5 PH3 + 3 KH2PO4
PbO2 + Pb = PbO =>
PbO2 + Pb = 2 PbO
FeTiO3 + O2 = Fe2TiO5 + TiO2 =>
4 FeTiO3 + O2 = 2 Fe2TiO5 + 2 TiO2
C6H5ONa + CO2 + H2O = C6H5OH + Na2CO3 =>
2 C6H5ONa + CO2 + H2O = 2 C6H5OH + Na2CO3
CuO + NaNO3 = Cu(NO3)2 + Na2O =>
CuO + 2 NaNO3 = Cu(NO3)2 + Na2O
Ca + O2 = Ca1O1 =>
2 Ca + O2 = 2 Ca1O1
Fe(NO3)3 + NH4OH = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3 + 3 NH4NO3
KOH + H2SO4 = KHSO4 + H2O =>
KOH + H2SO4 = KHSO4 + H2O
CaBr2 + Fe2(SO4)3 = CaSO4 + FeBr3 =>
3 CaBr2 + Fe2(SO4)3 = 3 CaSO4 + 2 FeBr3
Cs(s) + HBr(aq) = BrCs + H2 =>
2 Cs(s) + 2 HBr(aq) = 2 BrCs + H2
OH + I = IO4 + H2O =>
8 OH + I = IO4 + 4 H2O
FeCl3(aq) + K3PO4(aq) = FePO4(aq) + KCl(aq) =>
FeCl3(aq) + K3PO4(aq) = FePO4(aq) + 3 KCl(aq)
Fe(s) + CuSO4(l) = Cu(s) + FeSO4(aq) =>
Fe(s) + CuSO4(l) = Cu(s) + FeSO4(aq)
NaHCO3 + H2C6H6O7 = H2O + Na2C6H6O7 + CO2 =>
2 NaHCO3 + H2C6H6O7 = 2 H2O + Na2C6H6O7 + 2 CO2
C4H9OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C4H9OH + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 17 H2O
Fe + CO3 = Fe2(CO3)3 =>
2 Fe + 3 CO3 = Fe2(CO3)3
H2NSO3H + NaOH = H2NSO3Na + H2O =>
H2NSO3H + NaOH = H2NSO3Na + H2O
Pb + S2 = PbS =>
2 Pb + S2 = 2 PbS
CuS + NaOH = Cu(OH)2 + Na2S =>
CuS + 2 NaOH = Cu(OH)2 + Na2S
K2Cr2O7 + HCl + Hg = CrCl3 + KCl + H2O + HgO =>
K2Cr2O7 + 8 HCl + 3 Hg = 2 CrCl3 + 2 KCl + 4 H2O + 3 HgO
Sn + K2Cr2O7 + H2SO4 = Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Sn + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 2 K2SO4 + 2 Cr2(SO4)3 + 14 H2O
Na2S(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnS(s) =>
Na2S(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnS(s)
AlCl3 + F = FCl3 + Al =>
AlCl3 + F = FCl3 + Al
HNO3 + SNO = SNO2 + NO + H2O =>
2 HNO3 + 3 SNO = 3 SNO2 + 2 NO + H2O
CuI = Cu + I2 =>
2 CuI = 2 Cu + I2
Co + Cl = CoCl2 =>
Co + 2 Cl = CoCl2
N2H4 + H2SO4 = N2 + SO2 + H2O =>
N2H4 + 2 H2SO4 = N2 + 2 SO2 + 4 H2O
V + HCl = VCl4 + H2 =>
V + 4 HCl = VCl4 + 2 H2
Na2CO3 + C4H6O6 = CO2 + H2O + Na3C6H5O7 =>
15 Na2CO3 + 18 C4H6O6 = 27 CO2 + 29 H2O + 10 Na3C6H5O7
Na2SiO3 + K = NaK + SiO3 =>
Na2SiO3 + 2 K = 2 NaK + SiO3
N3 + H2 = NH3 =>
2 N3 + 9 H2 = 6 NH3
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