| Équations équilibrées la veille |
CdSe + HCl = CdCl + HSe
MgHO + H2SO4 = Mg2SO4 + H2O =>
2 MgHO + H2SO4 = Mg2SO4 + 2 H2O
FeCl3 + KCNS = Fe(CNS)3 + KCl =>
FeCl3 + 3 KCNS = Fe(CNS)3 + 3 KCl
CH3COOH + Ag = CH3CHO + Ag2O =>
CH3COOH + 2 Ag = CH3CHO + Ag2O
H3O = H2 + OH =>
H3O = H2 + OH
C3H7OH + Na = C3H7ONa + H2 =>
2 C3H7OH + 2 Na = 2 C3H7ONa + H2
H + N2O3 = H2O + N3 =>
18 H + 3 N2O3 = 9 H2O + 2 N3
[Co(H2O)6]Cl2 + En + H2O2 + HCl = [Co(En)2Cl2]Cl + H2O =>
2[Co(H2O)6]Cl2 + 4 En + H2O2 + 2 HCl = 2[Co(En)2Cl2]Cl + 14 H2O
Ni(NO3)2 + NH3 = Ni(NH3)2 + NO3 =>
Ni(NO3)2 + 2 NH3 = Ni(NH3)2 + 2 NO3
HSO4 + Ba(OH) = BaSO4 + H2O =>
HSO4 + Ba(OH) = BaSO4 + H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
Al + NaNO3 + NaOH + H2O = Na[Al(OH)4] + NH3 =>
8 Al + 3 NaNO3 + 5 NaOH + 18 H2O = 8 Na[Al(OH)4] + 3 NH3
Fe2(SO4)3 + NH4CNS = (NH4)3[Fe(CNS)6] + (NH4)2SO4 =>
Fe2(SO4)3 + 12 NH4CNS = 2(NH4)3[Fe(CNS)6] + 3(NH4)2SO4
C6H12O2 + H2O = C4H8O2 + C2H6O =>
C6H12O2 + H2O = C4H8O2 + C2H6O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H4O =>
26 K4Fe(CN)6 + 242 KMnO4 + 627 H2SO4 = 346 KHSO4 + 13 Fe2(SO4)3 + 242 MnSO4 + 156 HNO3 + 156 CO2 + 188 H4O
Ca(HCO3)2 + KCl = CaCl2 + KHCO3 =>
Ca(HCO3)2 + 2 KCl = CaCl2 + 2 KHCO3
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Ca + CuCl2 = CaCl2 + Cu =>
Ca + CuCl2 = CaCl2 + Cu
AgH2S = H2AgS =>
AgH2S = H2AgS
Ca(NO3)2 + (NH4)2HPO4 = Ca3(PO4)2 + NH3 + HNO3 =>
3 Ca(NO3)2 + 2(NH4)2HPO4 = Ca3(PO4)2 + 4 NH3 + 6 HNO3
C6H14 = C + H2 =>
C6H14 = 6 C + 7 H2
KCl(s) + O2(g) = KClO3(s) =>
2 KCl(s) + 3 O2(g) = 2 KClO3(s)
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3 + KNO3 =>
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3 + 2 KNO3
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
KH2PO4 + NaOH = K3PO4 + Na3PO4 + H2O =>
3 KH2PO4 + 6 NaOH = K3PO4 + 2 Na3PO4 + 6 H2O
NO(g) = N2O2(g) =>
2 NO(g) = N2O2(g)
KOH(aq) + HClO(aq) = H2O(aq) + KClO(aq) =>
KOH(aq) + HClO(aq) = H2O(aq) + KClO(aq)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
P4O6 = P4 + P2O4 =>
4 P4O6 = P4 + 6 P2O4
(CH3)2NH + H2O = (CH3)2NH2 + OH =>
(CH3)2NH + H2O = (CH3)2NH2 + OH
Al(OH)3(t) = Al2O3 + H2O =>
2 Al(OH)3(t) = Al2O3 + 3 H2O
LiBr + Co(SO3)2 = CoBr + Li(SO3)2 =>
LiBr + Co(SO3)2 = CoBr + Li(SO3)2
H2SO4 + LiNO3 = LiSO4 + H2NO3 =>
H2SO4 + LiNO3 = LiSO4 + H2NO3
KMnO4 + NaOH = Na2MnO4 + K2MnO4 + H2O + O2 =>
4 KMnO4 + 4 NaOH = 2 Na2MnO4 + 2 K2MnO4 + 2 H2O + O2
CuCl2 + HNO3 = HCl2 + CuNO3 =>
CuCl2 + HNO3 = HCl2 + CuNO3
KNO2 + NaOH + Zn + H2O = NH3 + Na2Zn(OH)6 + K2Zn(OH)6 =>
2 KNO2 + 4 NaOH + 3 Zn + 10 H2O = 2 NH3 + 2 Na2Zn(OH)6 + K2Zn(OH)6
C3H7OH + CuO = C3H6O + H2O + Cu =>
C3H7OH + CuO = C3H6O + H2O + Cu
LiBr + Co(SO3)2 = CoBr + Li(SO3)2 =>
LiBr + Co(SO3)2 = CoBr + Li(SO3)2
Mn(OH)2 + HBr = Mn(Br)2 + H2O =>
Mn(OH)2 + 2 HBr = Mn(Br)2 + 2 H2O
Cl2 + SO2 = SO + ClO =>
Cl2 + 2 SO2 = 2 SO + 2 ClO
CH3OH + CH3COO = CH3COOCH3 + H2O =>
7 CH3OH + 4 CH3COO = 5 CH3COOCH3 + 5 H2O
CuSO4 + N2 = N2SO4 + Cu =>
CuSO4 + N2 = N2SO4 + Cu
CaCO3 + HCl = CO3 + H2 + CaCl =>
2 CaCO3 + 2 HCl = 2 CO3 + H2 + 2 CaCl
Pb3O4 + Mn2{+} + H3O{+} = MnO4{-} + Pb{2+} + H2O =>
13 Pb3O4 + 2 Mn2{+} + 72 H3O{+} = 4 MnO4{-} + 39 Pb{2+} + 108 H2O
AgNO3 + K2CO3 = NO3K2 + Ag(CO3) =>
AgNO3 + K2CO3 = NO3K2 + Ag(CO3)
K3P + SrBr2 = K3Br2 + SrP =>
K3P + SrBr2 = K3Br2 + SrP
Na2O + NiBr2 = NaBr + Ni2O2 =>
2 Na2O + 2 NiBr2 = 4 NaBr + Ni2O2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
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