| Équations équilibrées la veille |
3 Be(OH)2 + 2 H3PO4 = Be3(PO4)2 + 6 H2O
K2FeO4 + H{+} + e = Fe(OH)3 + H2O + K{+} =>
K2FeO4 + 5 H{+} + 3e = Fe(OH)3 + H2O + 2 K{+}
Al + Cu(NO3)3 = Al(NO3) + Cu =>
3 Al + Cu(NO3)3 = 3 Al(NO3) + Cu
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Cr2(SO4)3 + H2O + Fe2(SO4)3 =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = K2SO4 + Cr2(SO4)3 + 7 H2O + 3 Fe2(SO4)3
CuCO3 + H2SO4 = Cu2(SO4) + HCO3 =>
2 CuCO3 + H2SO4 = Cu2(SO4) + 2 HCO3
HCl + CaSO4 = HClO4 + Ca + SO3 =>
HCl + 4 CaSO4 = HClO4 + 4 Ca + 4 SO3
NaHCO3(s) + CH3CO2H(aq) = CO2 + H2O + NaCH3CO2 =>
NaHCO3(s) + CH3CO2H(aq) = CO2 + H2O + NaCH3CO2
PbCl2(aq) + Na2SO4(aq) = NaCl(s) + PbSO4(s) =>
PbCl2(aq) + Na2SO4(aq) = 2 NaCl(s) + PbSO4(s)
NH3 + CuO = H2O + NO2 + Cu =>
2 NH3 + 7 CuO = 3 H2O + 2 NO2 + 7 Cu
P2O5 = P + O2 =>
2 P2O5 = 4 P + 5 O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
MnSO4 + Ca(BrO3)2 + KOH = Ca(MnO4)2 + K2SO4 + H2O + Br2 =>
2 MnSO4 + Ca(BrO3)2 + 4 KOH = Ca(MnO4)2 + 2 K2SO4 + 2 H2O + Br2
NaVO3 + HCl + Zn = VCl2 + NaCl + ZnCl2 + H2O =>
2 NaVO3 + 12 HCl + 3 Zn = 2 VCl2 + 2 NaCl + 3 ZnCl2 + 6 H2O
Ca(OH)2 + C = CaC2 + CO + H2 =>
Ca(OH)2 + 4 C = CaC2 + 2 CO + H2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
NaO2 = Na2O + O2 =>
4 NaO2 = 2 Na2O + 3 O2
(CH3)3N + H2SO4 = (CH3)3NH2SO4 =>
(CH3)3N + H2SO4 = (CH3)3NH2SO4
Ba + HNO3 = Ba(NO3)2 + H2O + NO2 =>
Ba + 4 HNO3 = Ba(NO3)2 + 2 H2O + 2 NO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Zn(C2H3O2)2 + K3PO4 = Zn3(PO4)2 + KC2H3O2 =>
3 Zn(C2H3O2)2 + 2 K3PO4 = Zn3(PO4)2 + 6 KC2H3O2
Li2CrO4 + GaCl4 = Ga(CrO4)2 + LiCl =>
2 Li2CrO4 + GaCl4 = Ga(CrO4)2 + 4 LiCl
K2CrO4(ac) + BaCl2(ac) = BaCrO4(s) + KCl(ac) =>
K2CrO4(ac) + BaCl2(ac) = BaCrO4(s) + 2 KCl(ac)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NiSO4 + HNO3 = Ni(NO3)2 + H2SO4 =>
NiSO4 + 2 HNO3 = Ni(NO3)2 + H2SO4
KOH(aq) + ZnCl2(aq) = Zn(OH)2(s) + KCl(aq) =>
2 KOH(aq) + ZnCl2(aq) = Zn(OH)2(s) + 2 KCl(aq)
Cs + O2 = Cs2O2 =>
2 Cs + O2 = Cs2O2
NaOH + H2SO4 = NaOHH2SO4 =>
NaOH + H2SO4 = NaOHH2SO4
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(s) + H2O(aq) + CO2(g) =>
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(s) + H2O(aq) + CO2(g)
CH3COOCH3 + NaHCO3 = NaCOCH3 + CO2 + H2O =>
5 CH3COOCH3 + 7 NaHCO3 = 7 NaCOCH3 + 8 CO2 + 8 H2O
C13H20 + O = CO2 + H2O =>
C13H20 + 36 O = 13 CO2 + 10 H2O
NaBr(s) = Na(aq) + Br(aq) =>
NaBr(s) = Na(aq) + Br(aq)
HClO4(aq) + Mg(OH)2(s) = Mg(ClO4)2 + H2O(l) =>
2 HClO4(aq) + Mg(OH)2(s) = Mg(ClO4)2 + 2 H2O(l)
LiOH + HBr = LiBr + H2O =>
LiOH + HBr = LiBr + H2O
BaCl2 + Na3P = Ba3P2 + NaCl =>
3 BaCl2 + 2 Na3P = Ba3P2 + 6 NaCl
[Cu(OH)]2CO3 + CH3COOH = (CH3COO)2Cu + CO2 + H2O =>
[Cu(OH)]2CO3 + 4 CH3COOH = 2(CH3COO)2Cu + CO2 + 3 H2O
C2H5Cl + NH3 = C2H5NH3Cl =>
C2H5Cl + NH3 = C2H5NH3Cl
NaCl + NH4NO3 = NaNO3 + NH4Cl =>
NaCl + NH4NO3 = NaNO3 + NH4Cl
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
H2SO4 + KBr + KBrO3 = K2SO4 + Br2 + H2O =>
3 H2SO4 + 5 KBr + KBrO3 = 3 K2SO4 + 3 Br2 + 3 H2O
Ag(OH)2 + NH3 = [Ag(NH3)4](OH)2 =>
Ag(OH)2 + 4 NH3 = [Ag(NH3)4](OH)2
Ca3(PO4)2(s) + C(s) = CaO(s) + CO(g) + P(s) =>
Ca3(PO4)2(s) + 5 C(s) = 3 CaO(s) + 5 CO(g) + 2 P(s)
RbNO3 = Rb2O + NO2 + O =>
2 RbNO3 = Rb2O + 2 NO2 + O
SeF4 + Cl2 = SeCl4 + F2 =>
SeF4 + 2 Cl2 = SeCl4 + 2 F2
AlCl3 + CuNO3 = CuCl + Al(NO3)3 =>
AlCl3 + 3 CuNO3 = 3 CuCl + Al(NO3)3
AgCl + CuCl2 = Ag2CuCl4 =>
2 AgCl + CuCl2 = Ag2CuCl4
LiOH + HCl = LiCl + H2O =>
LiOH + HCl = LiCl + H2O
(NH4)6Mo7O244H2O + NH4VO3 + (NH4)2HPO4 + HNO3 = Mo1V99P100O500 + N2 + H2O =>
2(NH4)6Mo7O244H2O + 1386 NH4VO3 + 1400(NH4)2HPO4 + 2340 HNO3 = 14 Mo1V99P100O500 + 3269 N2 + 10268 H2O
K2Cr2O7 + C6H2O6 = Cr2 + K + CO2 + H2O =>
K2Cr2O7 + C6H2O6 = Cr2 + 2 K + 6 CO2 + H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NaHSO4 + NaCl + MnO2 = H2O + Na2SO4 + Mn2SO4 + Cl2 =>
8 NaHSO4 + 6 NaCl + 2 MnO2 = 4 H2O + 7 Na2SO4 + Mn2SO4 + 3 Cl2
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