| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Zn + 5 H2SeO4 = 4 ZnSeO4 + 4 H2O + H2Se
(NH4)3PO4 + Ba(NO3)2 = (NH4)(NO3) + Ba3(PO4)2 =>
2(NH4)3PO4 + 3 Ba(NO3)2 = 6(NH4)(NO3) + Ba3(PO4)2
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
KI + HNO3 = KIO + H2O + NO2 =>
KI + 2 HNO3 = KIO + H2O + 2 NO2
Na2S2O8 + Al = Na2S + SO2 + Al2O3 =>
Na2S2O8 + 4 Al = Na2S + SO2 + 2 Al2O3
H2SO4 + KCl = HCl + K2SO4 =>
H2SO4 + 2 KCl = 2 HCl + K2SO4
U3O8 + HNO3 + H2O = UO2(NO3)2(H2O)6 + N2O =>
4 U3O8 + 26 HNO3 + 59 H2O = 12 UO2(NO3)2(H2O)6 + N2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na2S2O8 + Al = Na2S + SO2 + Al2O3 =>
Na2S2O8 + 4 Al = Na2S + SO2 + 2 Al2O3
KI + HNO3 = KIO + H2O + NO2 =>
KI + 2 HNO3 = KIO + H2O + 2 NO2
Fe + H2O(g) = Fe2O4 + H2 =>
2 Fe + 4 H2O(g) = Fe2O4 + 4 H2
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
KI + HNO3 = KIO + H2O + NO2 =>
KI + 2 HNO3 = KIO + H2O + 2 NO2
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
Na2S2O8 + Al = Na2S + SO2 + Al2O3 =>
Na2S2O8 + 4 Al = Na2S + SO2 + 2 Al2O3
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(q) =>
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(q)
NaHSe + CoCl2 + FeCl3 = Fe2CoSe4 + NaCl + HCl =>
4 NaHSe + CoCl2 + 2 FeCl3 = Fe2CoSe4 + 4 NaCl + 4 HCl
Fe + H2O(g) = Fe2O4 + H2 =>
2 Fe + 4 H2O(g) = Fe2O4 + 4 H2
Ca(NO3)2 + Al2(SO4)3 = CaSO4 + Al(NO3)3 =>
3 Ca(NO3)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(NO3)3
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
MnCl2 + KClO3 + NaOH = Na2MnO4 + KCl + NaCl + H2O =>
3 MnCl2 + 2 KClO3 + 12 NaOH = 3 Na2MnO4 + 2 KCl + 6 NaCl + 6 H2O
Na2S2O8 + Al = Na2S + SO2 + Al2O3 =>
Na2S2O8 + 4 Al = Na2S + SO2 + 2 Al2O3
Cs + H2SO4 = Cs2SO4 + H2S + H2O =>
8 Cs + 5 H2SO4 = 4 Cs2SO4 + H2S + 4 H2O
KI + HNO3 = KIO + H2O + NO2 =>
KI + 2 HNO3 = KIO + H2O + 2 NO2
C10H7OH(s) + HCl(aq) = C10H7Cl(s) + H2O =>
C10H7OH(s) + HCl(aq) = C10H7Cl(s) + H2O
Fe + H2O(g) = Fe2O4 + H2 =>
2 Fe + 4 H2O(g) = Fe2O4 + 4 H2
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3 =>
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(q) =>
NaI(s) + H2SO4(l) = NaHSO4(s) + HI(q)
Fe + H2O(g) = Fe2O4 + H2 =>
2 Fe + 4 H2O(g) = Fe2O4 + 4 H2
HC2H3O2(aq) + Ca(OH)2(aq) = H2O(aq) + Ca(C2H3O2)2 =>
2 HC2H3O2(aq) + Ca(OH)2(aq) = 2 H2O(aq) + Ca(C2H3O2)2
KI + H2SO4 = H2S + K2SO4 + I2 + H2O =>
8 KI + 5 H2SO4 = H2S + 4 K2SO4 + 4 I2 + 4 H2O
CH + O = HO + CO38222 =>
CH + 38223 O = HO + CO38222
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
H2SO4 + [Al(OH)4]{-} = Al(OH)3 + SO4{2-} + H2O =>
H2SO4 + 2[Al(OH)4]{-} = 2 Al(OH)3 + SO4{2-} + 2 H2O
CH3COOH + Cu(CO3)2 = Cu(CH3COO)2 + H2O + CO2 =>
9 CH3COOH + 4 Cu(CO3)2 = 4 Cu(CH3COO)2 + 6 H2O + 10 CO2
HAtO3 + NH4OH = NH4AtO3 + H2O =>
HAtO3 + NH4OH = NH4AtO3 + H2O
ZnCl2KOH = ZnOHCl2K =>
ZnCl2KOH = ZnOHCl2K
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3 =>
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3
Cr + H2SO43 = Cr2SO43 + H2 =>
2 Cr + H2SO43 = Cr2SO43 + H2
HC2H3O2 + BaOH = H2O + BaC2H3O2 =>
HC2H3O2 + BaOH = H2O + BaC2H3O2
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3 =>
[Ag(NH3)2]NO3 + NaOH = [Ag(NH3)2]OH + NaNO3
NH4{+} + MnO2 + H{+} = NO2{-} + Mn{+2} + H2O =>
NH4{+} + 3 MnO2 + 4 H{+} = NO2{-} + 3 Mn{+2} + 4 H2O
NH4Br + CuNO3 = NH4 + NO3 + Cu2Br =>
NH4Br + 2 CuNO3 = NH4 + 2 NO3 + Cu2Br
CH + O = CO2 + H2O =>
2 CH + 5 O = 2 CO2 + H2O
CH + O = CO + H2O =>
2 CH + 3 O = 2 CO + H2O
PbBa + HCl = PbCl + BaH =>
PbBa + HCl = PbCl + BaH
Cu(NO3)2H6O3 + Na3PO4H24O12 = NaNO3 + Cu3(PO4)2 + H2O =>
3 Cu(NO3)2H6O3 + 2 Na3PO4H24O12 = 6 NaNO3 + Cu3(PO4)2 + 33 H2O
K3Fe(CN)6 + Cr2O3 + KOH = K4Fe(CN)6 + K2CrO4 + H2O =>
6 K3Fe(CN)6 + Cr2O3 + 10 KOH = 6 K4Fe(CN)6 + 2 K2CrO4 + 5 H2O
Zn{2+} + SCN{-} = Zn(SCN)3{-} =>
Zn{2+} + 3 SCN{-} = Zn(SCN)3{-}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/20/23
Équations équilibrées sur12/20/22
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