| Équations équilibrées la veille |
C2H5Br + Br2 = C2H4Br2 + HBr
Pb + Na2(OH)3 = Na2PbO3 + H2 =>
2 Pb + 2 Na2(OH)3 = 2 Na2PbO3 + 3 H2
Hg1 + H3PO4 = Hg1PO4 + H2 =>
2 Hg1 + 2 H3PO4 = 2 Hg1PO4 + 3 H2
Ca(NO3)2 + KI = CaI2 + KNO3 =>
Ca(NO3)2 + 2 KI = CaI2 + 2 KNO3
FeO + CaO + P4 = Ca3(PO4)2 + Fe =>
10 FeO + 6 CaO + P4 = 2 Ca3(PO4)2 + 10 Fe
NH4NO3 + NaOH = NaNO3 + NH5 + H2O =>
5 NH4NO3 + 6 NaOH = 6 NaNO3 + 4 NH5 + 3 H2O
N2 + S = NS2 =>
N2 + 4 S = 2 NS2
Al2O3(s) + NaOH(aq) + H2O(l) = NaAl(OH)4 =>
Al2O3(s) + 2 NaOH(aq) + 3 H2O(l) = 2 NaAl(OH)4
HCl + FeBr2 = FeCl2 + HBr =>
2 HCl + FeBr2 = FeCl2 + 2 HBr
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C5H8O4 + H2O = CH4 + CO2 =>
2 C5H8O4 + 2 H2O = 5 CH4 + 5 CO2
Zn + K4[Fe(CN)6] = K4[Zn(CN)6] + Fe =>
Zn + K4[Fe(CN)6] = K4[Zn(CN)6] + Fe
H2(g) + C(grafite) = C2H2(g) =>
H2(g) + 2 C(grafite) = C2H2(g)
K2S + K2MnO4 + H2O = MnO(OH)2 + KOH + S =>
K2S + K2MnO4 + 3 H2O = MnO(OH)2 + 4 KOH + S
Ag(NH3) + HCl = AgCl + NH4 =>
Ag(NH3) + HCl = AgCl + NH4
CH3CH2CN + O2 = CO2 + H2O + NH3 =>
2 CH3CH2CN + 7 O2 = 6 CO2 + 2 H2O + 2 NH3
CeO2 + Gd2O3 + B = CeGdB12 + B2O2 =>
4 CeO2 + 2 Gd2O3 + 62 B = 4 CeGdB12 + 7 B2O2
KOHHNO2 = KNO2H2O =>
KOHHNO2 = KNO2H2O
I2(l) + NaOH(aq) = NaI(aq) + NaIO(aq) + H2O(l) =>
I2(l) + 2 NaOH(aq) = NaI(aq) + NaIO(aq) + H2O(l)
KClO3 + I2 + H2O = KCl + HIO3 =>
5 KClO3 + 3 I2 + 3 H2O = 5 KCl + 6 HIO3
Ca(ClO3)2(s) = CaCl2(s) + O2(g) =>
Ca(ClO3)2(s) = CaCl2(s) + 3 O2(g)
NH4MnO4 + V(NO3)5 = NH4NO3 + V(MnO4)5 =>
5 NH4MnO4 + V(NO3)5 = 5 NH4NO3 + V(MnO4)5
PbO(s) + CO(g) = Pb(s) + CO2(g) =>
PbO(s) + CO(g) = Pb(s) + CO2(g)
KMnO4 + Cu2O + HCl = KCl + CuCl2 + MnCl2 + H2O =>
2 KMnO4 + 5 Cu2O + 26 HCl = 2 KCl + 10 CuCl2 + 2 MnCl2 + 13 H2O
CH2NH3Cl + NaOH = CH3NH2OH + NaCl =>
CH2NH3Cl + NaOH = CH3NH2OH + NaCl
I{-} + S4O6{2-} = I3{-} + S2O3{2-} =>
3 I{-} + S4O6{2-} = I3{-} + 2 S2O3{2-}
AgNo3 + K2CrO4 = AgO4 + K2CrNo3 =>
AgNo3 + K2CrO4 = AgO4 + K2CrNo3
Al(s) + Cl = AlCl3 =>
Al(s) + 3 Cl = AlCl3
NH4 + SO4 = NSO4 + H2 =>
NH4 + SO4 = NSO4 + 2 H2
Sn(s) + HNO3(ac) = SnO2(s) + NO2(g) + H2O(g) =>
Sn(s) + 4 HNO3(ac) = SnO2(s) + 4 NO2(g) + 2 H2O(g)
NaOH(aq) + H2SO4 = Na2SO4 + H2O(l) =>
2 NaOH(aq) + H2SO4 = Na2SO4 + 2 H2O(l)
SnCl2 + Na2SO3 + H2O = Sn(OH)2 + H2SO3 + NaCl =>
SnCl2 + Na2SO3 + 2 H2O = Sn(OH)2 + H2SO3 + 2 NaCl
KBr + F{2} = KF + Br{2} =>
KBr + F{2} = KF + Br{2}
Ti + H2O = H2 + TiO2 =>
Ti + 2 H2O = 2 H2 + TiO2
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
HBr + KHCO3 = HBrKHCO3 =>
HBr + KHCO3 = HBrKHCO3
Fe{2+} + Cr2O7{2-} + H{+} = Fe{3+} + Cr{3+} + H2O =>
6 Fe{2+} + Cr2O7{2-} + 14 H{+} = 6 Fe{3+} + 2 Cr{3+} + 7 H2O
LaBr3 + Na2CO3 = NaBr + La2(CO3)3 =>
2 LaBr3 + 3 Na2CO3 = 6 NaBr + La2(CO3)3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Al2(SO4)3 + NH3 + H2O = AlOHSO4 + (NH4)2SO4 =>
Al2(SO4)3 + 2 NH3 + 2 H2O = 2 AlOHSO4 + (NH4)2SO4
Pb(OH)2 + NaOH = H2O + Na2PbO2 =>
Pb(OH)2 + 2 NaOH = 2 H2O + Na2PbO2
Na2SO4 + CaCO3 + C = NaCO3 + CaS + CO2 =>
2 Na2SO4 + 2 CaCO3 + 3 C = 4 NaCO3 + 2 CaS + CO2
Ag(NO3)3 + HCl = Ag(Cl)3 + H(NO3) =>
Ag(NO3)3 + 3 HCl = Ag(Cl)3 + 3 H(NO3)
I2 + AgNO3 + H2O = AgIO3 + AgI + HNO3 =>
3 I2 + 6 AgNO3 + 3 H2O = AgIO3 + 5 AgI + 6 HNO3
Ba(OH)2 + C2H7NO2 = Ba(C2H3O2)2 + NH4OH =>
Ba(OH)2 + 2 C2H7NO2 = Ba(C2H3O2)2 + 2 NH4OH
CuSO4 + NaOH = Cu(OH) + SO4Na =>
CuSO4 + NaOH = Cu(OH) + SO4Na
Cl2 + S + NaOH = NaCl + Na2SO3 + H2O =>
2 Cl2 + S + 6 NaOH = 4 NaCl + Na2SO3 + 3 H2O
CuNO3 + KCO3 = KNO3 + CuCO3 =>
CuNO3 + KCO3 = KNO3 + CuCO3
S + NHO3 = H2SO4 + NO2 + H2O =>
S + 6 NHO3 = H2SO4 + 6 NO2 + 2 H2O
F2(g) + CaCl2(aq) = Cl2 + CaF2 =>
F2(g) + CaCl2(aq) = Cl2 + CaF2
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