| Équations équilibrées la veille |
14 HNO3 + 3 Br2 = 6 HBrO4 + 14 NO + 4 H2O
Ca(N03)2 + H3P04 = Ca3(P04)2 + HN03 =>
3 Ca(N03)2 + 2 H3P04 = Ca3(P04)2 + 6 HN03
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Ba(OH2) + NH4NO3 = Ba(NO3)2 + NH3 + H2O =>
4 Ba(OH2) + 9 NH4NO3 = 4 Ba(NO3)2 + 10 NH3 + 7 H2O
K3MnO4 + Cl2 = KMnO4 + KCl =>
K3MnO4 + Cl2 = KMnO4 + 2 KCl
OH{-} + S2O4{2-} = SO3{2-} + H2O + e =>
4 OH{-} + S2O4{2-} = 2 SO3{2-} + 2 H2O + 2e
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + KNO2 + H2SO4 = MnSO4 + K2SO4 + H2O + KNO3 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 3 H2O + 5 KNO3
Li2SiO3 + Ca(OH)2 = CaSiO3 + LiOH =>
Li2SiO3 + Ca(OH)2 = CaSiO3 + 2 LiOH
Pb(S2) + O2 = Pb(O2)4 + SO2 =>
Pb(S2) + 6 O2 = Pb(O2)4 + 2 SO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaClO3 + H2 = H2O + NaCl =>
NaClO3 + 3 H2 = 3 H2O + NaCl
HCNO + H2O = H3O{+} + CNO{-} =>
HCNO + H2O = H3O{+} + CNO{-}
Zn2 + Pb(C2H3O2)2 = Pb2 + Zn(C2H3O2) =>
2 Zn2 + 2 Pb(C2H3O2)2 = Pb2 + 4 Zn(C2H3O2)
Cr(NH3)6Cl3O9 + ClO4 = (NH4)2Cr2O7 + N2 + HClO + H2O =>
14 Cr(NH3)6Cl3O9 + 12 ClO4 = 7(NH4)2Cr2O7 + 35 N2 + 54 HClO + 71 H2O
NaHCO3 + HCOOH = H2CO3 + NaCOOH =>
NaHCO3 + HCOOH = H2CO3 + NaCOOH
KNO3 + CaCl2 = Ca(NO3)2 + KCl =>
2 KNO3 + CaCl2 = Ca(NO3)2 + 2 KCl
MnSO4 + H2O2 + KOH = KSO4 + MnO2 + H2O =>
2 MnSO4 + 3 H2O2 + 2 KOH = 2 KSO4 + 2 MnO2 + 4 H2O
NaNO2 + NaI + HCI = NO + I2 + NaCI + H2O =>
2 NaNO2 + 2 NaI + 4 HCI = 2 NO + I2 + 4 NaCI + 2 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
K2S + HNO3 = KNO3 + H2S =>
K2S + 2 HNO3 = 2 KNO3 + H2S
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
K + NO = KN3 + O2 =>
2 K + 6 NO = 2 KN3 + 3 O2
KI(s) = K(s) + I2(g) =>
2 KI(s) = 2 K(s) + I2(g)
Cu(NO3)2(aq) + NH4OH(aq) = Cu(OH)2(aq) + NH4NO3(s) =>
Cu(NO3)2(aq) + 2 NH4OH(aq) = Cu(OH)2(aq) + 2 NH4NO3(s)
Co2 + Al = CoAl =>
Co2 + 2 Al = 2 CoAl
H + CN = HCN =>
H + CN = HCN
Mn + Pb{2+} = Mn{2+} + Pb =>
Mn + Pb{2+} = Mn{2+} + Pb
AlN3NaS2 = AlS2NaN3 =>
AlN3NaS2 = AlS2NaN3
B2Br6 + HN03 = B(N03)3 + HBr =>
B2Br6 + 6 HN03 = 2 B(N03)3 + 6 HBr
Ag + HCIO3 = AgCI + AgCIO3 + H2O =>
6 Ag + 6 HCIO3 = AgCI + 5 AgCIO3 + 3 H2O
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
Cu + [Fe(CN)6] = Cu3[Fe(CN)6]2 =>
3 Cu + 2[Fe(CN)6] = Cu3[Fe(CN)6]2
FeO + Cu = Cu2O + Fe =>
FeO + 2 Cu = Cu2O + Fe
C2H3CHO + Cu(OH)2 = Cu2O + CH3COOH + H2O =>
2 C2H3CHO + 4 Cu(OH)2 = 2 Cu2O + 3 CH3COOH + 2 H2O
Fe3(PO4)2 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + K3PO4 =>
Fe3(PO4)2 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 2 K3PO4
MnCO3 + CO2 + H2O = Mn(HCO3)2 =>
MnCO3 + CO2 + H2O = Mn(HCO3)2
C6H5COOH + Na2O = C6H5COONa + H2O =>
2 C6H5COOH + Na2O = 2 C6H5COONa + H2O
MgCl2 + Na2HPO4 + NH3 + H2O = MgNH4PO4*6H2O + NaCl =>
MgCl2 + Na2HPO4 + NH3 + 6 H2O = MgNH4PO4*6H2O + 2 NaCl
MgCl2 + HNO3 = HCl + Mg(NO3)2 =>
MgCl2 + 2 HNO3 = 2 HCl + Mg(NO3)2
PbSO4 + K2Cr2O7 + H2O = PbCrO4 + H2SO4 + K2SO4 =>
2 PbSO4 + K2Cr2O7 + H2O = 2 PbCrO4 + H2SO4 + K2SO4
F2 + NaCl = Cl2 + NaF =>
F2 + 2 NaCl = Cl2 + 2 NaF
HNO3 + C3H7OH = C3H7NO2 + CO2 + H2O =>
9 HNO3 + 10 C3H7OH = 9 C3H7NO2 + 3 CO2 + 13 H2O
SO2 + NaOH = NaO + SO + H2O =>
SO2 + 2 NaOH = 2 NaO + SO + H2O
ZnMnO4 + HBr = ZnBr2 + Br2 + MnBr2 + H2O =>
ZnMnO4 + 8 HBr = ZnBr2 + 2 Br2 + MnBr2 + 4 H2O
N2 + K2 = KN5 =>
5 N2 + K2 = 2 KN5
KMnO4 + KI + H2SO4 = H2O + I2 + MnSO4 + K2SO4 =>
2 KMnO4 + 10 KI + 8 H2SO4 = 8 H2O + 5 I2 + 2 MnSO4 + 6 K2SO4
K3PO4 + (NH4)2SO4 = K2SO4 + (NH4)3PO4 =>
2 K3PO4 + 3(NH4)2SO4 = 3 K2SO4 + 2(NH4)3PO4
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