| Équations équilibrées la veille |
3 C2Cl6 + 6 Fe + 4 KClO3 = 6 FeCl3 + 4 KCl + 6 CO2
Cu2 + H2O2 = CuO + H2O =>
Cu2 + 2 H2O2 = 2 CuO + 2 H2O
AgNO3 = Ag + NO2 + O2 = =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
Na(c) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(c) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Li2S + O2 = Li2O + SO3 =>
Li2S + 2 O2 = Li2O + SO3
Na[Sb(OH)6] + NH4OH + AgNO3 = Ag + H[Sb(OH)6] + NH4NO3 + NaNO3 =>
7 Na[Sb(OH)6] + 3 NH4OH + 8 AgNO3 = 8 Ag + 7 H[Sb(OH)6] + 2 NH4NO3 + 7 NaNO3
Zn + Na2CrO4 + NaOH = Na2ZnO2 + NaCrO2 + HOH =>
3 Zn + 2 Na2CrO4 + 4 NaOH = 3 Na2ZnO2 + 2 NaCrO2 + 2 HOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
K4Fe(CN)6(aq) + H2SO4(aq) + H2O(l) = K2SO4(aq) + FeSO4(aq) + (NH4)2SO4(aq) + CO(g) =>
K4Fe(CN)6(aq) + 6 H2SO4(aq) + 6 H2O(l) = 2 K2SO4(aq) + FeSO4(aq) + 3(NH4)2SO4(aq) + 6 CO(g)
Cu + CuO = Cu4O =>
3 Cu + CuO = Cu4O
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Tl(NO3)3 + KI = TlI + KNO3 + I2 =>
Tl(NO3)3 + 3 KI = TlI + 3 KNO3 + I2
Pb + HNO3 = PbO + N2O + H2O =>
4 Pb + 2 HNO3 = 4 PbO + N2O + H2O
H2O + CS2 = H2S + CO2 =>
2 H2O + CS2 = 2 H2S + CO2
Ca + NaCl = CaCl + Na =>
Ca + NaCl = CaCl + Na
Ba + H2Se = BaSe + H2 =>
Ba + H2Se = BaSe + H2
CH2NH2COOH + NaOH = CH2NH2COONa + H2O =>
CH2NH2COOH + NaOH = CH2NH2COONa + H2O
CaCl2(aq) + Na2SO4(aq) = NaCl(s) + CaSO4(ss) =>
CaCl2(aq) + Na2SO4(aq) = 2 NaCl(s) + CaSO4(ss)
CuCl + H2O = CuHO + HCl =>
CuCl + H2O = CuHO + HCl
MnO4{-} + H2SO3 + H = SO4{2-} + Mn{2+} + H2O =>
2 MnO4{-} + 3 H2SO3 + 4 H = 3 SO4{2-} + 2 Mn{2+} + 5 H2O
Zn + PbCl3 = ZnCl2 + Pb3 =>
9 Zn + 6 PbCl3 = 9 ZnCl2 + 2 Pb3
Na3P3O9 + H2O = H2Na3P3O10 =>
Na3P3O9 + H2O = H2Na3P3O10
NH3 + KNO3 + NH4Cl + Au = [Au(NH3)]4(NO3)3 + KCl + H2O =>
2 NH3 + 27 KNO3 + 27 NH4Cl + 32 Au = 8[Au(NH3)]4(NO3)3 + 27 KCl + 9 H2O
Na[Sb(OH)6] + NH4OH + AgNO3 = Ag + H[Sb(OH)6] + NH4NO3 + NaNO3 =>
7 Na[Sb(OH)6] + 3 NH4OH + 8 AgNO3 = 8 Ag + 7 H[Sb(OH)6] + 2 NH4NO3 + 7 NaNO3
LiNO3 + MgCl2 = LiCl + Mg(NO3)2 =>
2 LiNO3 + MgCl2 = 2 LiCl + Mg(NO3)2
LiNO3 + Cu = Cu(NO3)2 + Li =>
2 LiNO3 + Cu = Cu(NO3)2 + 2 Li
Pb(SO3)2 + H2SO4 = PbSO4 + HSO3 =>
Pb(SO3)2 + H2SO4 = PbSO4 + 2 HSO3
IO3{-} + I{-} + H{+} = I2 + OH{-} =>
IO3{-} + 5 I{-} + 3 H{+} = 3 I2 + 3 OH{-}
Pb(SO3)2 + H2SO4 = PbSO4 + HSO3 =>
Pb(SO3)2 + H2SO4 = PbSO4 + 2 HSO3
Al(OH)3 + NH4 = Al + NH4OH =>
Al(OH)3 + 3 NH4 = Al + 3 NH4OH
NH4{+} + OH{-} = NOH + H =>
NH4{+} + OH{-} = NOH + 4 H
Li2S + O2 = Li2O + SO3 =>
Li2S + 2 O2 = Li2O + SO3
Fe{3+} + H2O = Fe{2+} + H2O2 + H{+} =>
2 Fe{3+} + 2 H2O = 2 Fe{2+} + H2O2 + 2 H{+}
Cu2O + NO = CuO + N2 =>
2 Cu2O + 2 NO = 4 CuO + N2
K2S + ZnSO4 = ZnS + K2SO4 =>
K2S + ZnSO4 = ZnS + K2SO4
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
K2CO3(s) + Al(NO3)3(aq) = K2(NO3)3(aq) + AlCO3(s) =>
K2CO3(s) + Al(NO3)3(aq) = K2(NO3)3(aq) + AlCO3(s)
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
MgSO4 + KF = K2SO4 + MgF2 =>
MgSO4 + 2 KF = K2SO4 + MgF2
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
Al + Hg(CH3COO)2 = Al(CH3COO)3 + Hg =>
2 Al + 3 Hg(CH3COO)2 = 2 Al(CH3COO)3 + 3 Hg
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
KI + NH3 = H3I3 + K3N =>
3 KI + NH3 = H3I3 + K3N
NaNO3 + Mn(OH)2 = NaOH + Mn(NO3)2 =>
2 NaNO3 + Mn(OH)2 = 2 NaOH + Mn(NO3)2
Mg(s)HCl(AQ) = Mg(AQ)HCl(g) =>
Mg(s)HCl(AQ) = Mg(AQ)HCl(g)
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
C14H10O2 + CO(NH2)2 = C15H12N2O2 + H2O =>
C14H10O2 + CO(NH2)2 = C15H12N2O2 + H2O
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Mg2 + NaCl = MgCl2 + Na =>
Mg2 + 4 NaCl = 2 MgCl2 + 4 Na
CH4 + NH3 = C2N2 + H2 =>
2 CH4 + 2 NH3 = C2N2 + 7 H2
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