| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
H{+} + CrO4{2-} + NO{2-} = Cr{3+} + H2O + NO3{-} =>
28 H{+} + 5 CrO4{2-} + 3 NO{2-} = 5 Cr{3+} + 14 H2O + 3 NO3{-}
K + PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
Pb2S + Ca3P = Pb3P + Ca2S =>
3 Pb2S + 2 Ca3P = 2 Pb3P + 3 Ca2S
K2S + MoF6 = KF + MoS3 =>
3 K2S + MoF6 = 6 KF + MoS3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Al(NO3)3 + Sr(OH)2 = Sr(NO3)2 + Al(OH)3 =>
2 Al(NO3)3 + 3 Sr(OH)2 = 3 Sr(NO3)2 + 2 Al(OH)3
K + PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
Cd(NO3)2 + Cr = Cr(NO3)2 + Cd =>
Cd(NO3)2 + Cr = Cr(NO3)2 + Cd
S2O3{-}2 + H2O + Cl2 = SO4{-}2 + Cl{-} + H{+} =>
2 S2O3{-}2 + 10 H2O + 9 Cl2 = 4 SO4{-}2 + 18 Cl{-} + 20 H{+}
K + PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
PbO2(s) = Pb(s) + O2(g) =>
PbO2(s) = Pb(s) + O2(g)
K + PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
Al(NO3)3 + Sr(OH)2 = Sr(NO3)2 + Al(OH)3 =>
2 Al(NO3)3 + 3 Sr(OH)2 = 3 Sr(NO3)2 + 2 Al(OH)3
Fe(OH)3 + HCl = Fe(OH)2Cl + H2O =>
Fe(OH)3 + HCl = Fe(OH)2Cl + H2O
Mg(CO3) + H2(SO4) = Mg(SO4) + H2(CO3) =>
Mg(CO3) + H2(SO4) = Mg(SO4) + H2(CO3)
H3PO4 + HBr = PBr5 + H2O =>
H3PO4 + 5 HBr = PBr5 + 4 H2O
Al(NO3)3 + Sr(OH)2 = Sr(NO3)2 + Al(OH)3 =>
2 Al(NO3)3 + 3 Sr(OH)2 = 3 Sr(NO3)2 + 2 Al(OH)3
Na2CO3 + Pb(NO3)2 = NaNO3 + PbCO3 =>
Na2CO3 + Pb(NO3)2 = 2 NaNO3 + PbCO3
Ce(SO4)2 + Zn + H3SO4 = Ce2(SO4)3 + ZnSO3 + H2O =>
2 Ce(SO4)2 + 3 Zn + 2 H3SO4 = Ce2(SO4)3 + 3 ZnSO3 + 3 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Bi + HNO3 = BiNO3 + H2 =>
2 Bi + 2 HNO3 = 2 BiNO3 + H2
Al + Sn3(PO4)4 = Sn + AlPO4 =>
4 Al + Sn3(PO4)4 = 3 Sn + 4 AlPO4
K + PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
2 K + PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
Mg + NaOH(aq) = Na + Mg(OH)2 =>
Mg + 2 NaOH(aq) = 2 Na + Mg(OH)2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NbCl5 + N2O5 = NbO(NO3)3 + NO2Cl =>
NbCl5 + 4 N2O5 = NbO(NO3)3 + 5 NO2Cl
H2Br2 = Br2 + H2 =>
H2Br2 = Br2 + H2
C6H5CO2H + CH3CH2CO2H = C6H5C(O)CH2CH3 + CO2 + H2O =>
C6H5CO2H + CH3CH2CO2H = C6H5C(O)CH2CH3 + CO2 + H2O
AsO2{-} + Zn + H{+} = AsH3 + Zn{+2} + H2O =>
AsO2{-} + 3 Zn + 7 H{+} = AsH3 + 3 Zn{+2} + 2 H2O
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Cu(OH)2 + (NH4)2S = CuS + NH4OH =>
Cu(OH)2 + (NH4)2S = CuS + 2 NH4OH
Te + F2 = TeF6 =>
Te + 3 F2 = TeF6
C6H4(OH)COOH + (CH3CO)2O = C9H8O4 =>
11 C6H4(OH)COOH + (CH3CO)2O = 9 C9H8O4
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Cd + Br = CdBr2 =>
Cd + 2 Br = CdBr2
K4(Fe(CN)6) + KMnO4 + H2SO4 = K3(Fe(CN)6) + MnSO4 + K2SO4 + H2O =>
5 K4(Fe(CN)6) + KMnO4 + 4 H2SO4 = 5 K3(Fe(CN)6) + MnSO4 + 3 K2SO4 + 4 H2O
Pb(NO3)2*2H2O + NaCl = PbCl2 + NaNO3 + H2O =>
Pb(NO3)2*2H2O + 2 NaCl = PbCl2 + 2 NaNO3 + 2 H2O
Mn(C2H3O2)2 + K2S = MnS + KC2H3O2 =>
Mn(C2H3O2)2 + K2S = MnS + 2 KC2H3O2
HCl + (CH2)6N4 + H2O = NH4OH + CH2Cl2 =>
12 HCl + (CH2)6N4 + 4 H2O = 4 NH4OH + 6 CH2Cl2
N2O5(g)H2O(l) = HNO3(aq) =>
N2O5(g)H2O(l) = 2 HNO3(aq)
NH3 + O2 = H2O + NO =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
Zn + H2CO = H2 + ZnCO =>
Zn + H2CO = H2 + ZnCO
Ca + C = CaC2 =>
Ca + 2 C = CaC2
Cr(OH)3 + H3PO4 = [Cr(OH)]3[PO4]2 + H2O =>
3 Cr(OH)3 + 2 H3PO4 = [Cr(OH)]3[PO4]2 + 6 H2O
NiCl2(cr) = Ni(cr) + Cl2(g) =>
NiCl2(cr) = Ni(cr) + Cl2(g)
Mg(NO3)2 + NH3 + H2O = Mg + NH4NO3 =>
4 Mg(NO3)2 + 10 NH3 + 3 H2O = 4 Mg + 9 NH4NO3
PdCl2 + CH3COOH = PdCl2CH3COOH =>
PdCl2 + CH3COOH = PdCl2CH3COOH
C13H12O + K2Cr2O7 + H2SO4 = C13H10O + Cr2(SO4)3 + K2SO4 + H2O =>
3 C13H12O + K2Cr2O7 + 4 H2SO4 = 3 C13H10O + Cr2(SO4)3 + K2SO4 + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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Équations équilibrées sur12/24/23
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