| Équations équilibrées la veille |
PbI3 = Pb + I3
Na2S + FeBr3 = Fe2S3 + NaBr =>
3 Na2S + 2 FeBr3 = Fe2S3 + 6 NaBr
Ca(HCO3)2 + Ag2Cr = Ca2Cr2 + Ag(HCO3) =>
2 Ca(HCO3)2 + 2 Ag2Cr = Ca2Cr2 + 4 Ag(HCO3)
Br2 + Cl2 = Br2Cl2 =>
Br2 + Cl2 = Br2Cl2
O + Ba = BaO2 =>
2 O + Ba = BaO2
KClO3 + KI + H2O = KCl + K(OH) + I2 =>
KClO3 + 6 KI + 3 H2O = KCl + 6 K(OH) + 3 I2
Na2CO3 + [Co(NH3)6]Cl3 = NaCoO2 + NH3 + NaCl + CO2 =>
2 Na2CO3 + [Co(NH3)6]Cl3 = NaCoO2 + 6 NH3 + 3 NaCl + 2 CO2
H2O2(l) = H2O(l) + O2(g)* =>
2 H2O2(l) = 2 H2O(l) + O2(g)*
NaHCO3 + BaCl2 = NaBa + Cl2HCO3 =>
NaHCO3 + BaCl2 = NaBa + Cl2HCO3
Mg2O5 + Br2 = O2 + MgBr5 =>
2 Mg2O5 + 10 Br2 = 5 O2 + 4 MgBr5
HClO4 + Zn(OH)2 = Zn(ClO4)2 + H2O =>
2 HClO4 + Zn(OH)2 = Zn(ClO4)2 + 2 H2O
C7H5ClO + O2 = CO2 + H2O + Cl =>
4 C7H5ClO + 31 O2 = 28 CO2 + 10 H2O + 4 Cl
K + H3PO4(aq) = H2(g) + K3PO4 =>
6 K + 2 H3PO4(aq) = 3 H2(g) + 2 K3PO4
HClO + Al(OH)3 = Al(ClO)3 + H2O =>
3 HClO + Al(OH)3 = Al(ClO)3 + 3 H2O
C5H11OH(g) + O2(g) = CO2(g) + H2O(g) =>
2 C5H11OH(g) + 15 O2(g) = 10 CO2(g) + 12 H2O(g)
K2CrO4 + Na2S + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
8 K2CrO4 + 3 Na2S + 20 H2SO4 = 4 Cr2(SO4)3 + 3 Na2SO4 + 8 K2SO4 + 20 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
FeCl3 + Hg = HgCl2 + FeCl2 =>
2 FeCl3 + Hg = HgCl2 + 2 FeCl2
(NH4)2SO4 + HCOH = (CH2)6N4 + H2SO4 + H2O =>
2(NH4)2SO4 + 6 HCOH = (CH2)6N4 + 2 H2SO4 + 6 H2O
N2H5Cl + Na2S + H2O = S + NH3 + NaCl + NaOH =>
N2H5Cl + Na2S + H2O = S + 2 NH3 + NaCl + NaOH
MnO4({-}) + Cl({-}) + H{+} = Mn{2+} + Cl2 + H2O =>
2 MnO4({-}) + 10 Cl({-}) + 16 H{+} = 2 Mn{2+} + 5 Cl2 + 8 H2O
CH4 + HCl = C4H5Cl + H2 =>
4 CH4 + HCl = C4H5Cl + 6 H2
P + Fe2O3 = P4O6 + Fe =>
4 P + 2 Fe2O3 = P4O6 + 4 Fe
CaO + H2 = Ca + OH2 =>
CaO + H2 = Ca + OH2
Li2CO3 + Pb(NO3)2 = LiNO3 + PbCO3 =>
Li2CO3 + Pb(NO3)2 = 2 LiNO3 + PbCO3
NH4Cl + H2O = (NH4)2O + HCl =>
2 NH4Cl + H2O = (NH4)2O + 2 HCl
K + BaO = O2 + K2Ba =>
4 K + 2 BaO = O2 + 2 K2Ba
H8SO4N2 + CNO = H2S + N2H4CO + HNO3 + O2 =>
3 H8SO4N2 + 4 CNO = 3 H2S + 4 N2H4CO + 2 HNO3 + 3 O2
H2PdCl4 + NH4OH = Pd(NH3)2Cl2 + H2O + HCl =>
H2PdCl4 + 2 NH4OH = Pd(NH3)2Cl2 + 2 H2O + 2 HCl
K2PtCl4 + NH3 = PtN2H6Cl2 + KCl =>
K2PtCl4 + 2 NH3 = PtN2H6Cl2 + 2 KCl
Fe + Co2 = FeCo4 =>
Fe + 2 Co2 = FeCo4
NH4Br + Li2CO3 = (NH4)2CO3 + LiBr =>
2 NH4Br + Li2CO3 = (NH4)2CO3 + 2 LiBr
BaCl2 + (CH3COO)2Hg = Ba(CH3COO)2 + HgCl2 =>
BaCl2 + (CH3COO)2Hg = Ba(CH3COO)2 + HgCl2
COCl2 + NH3 = CO(NH2)2 + [NH4]Cl =>
COCl2 + 4 NH3 = CO(NH2)2 + 2[NH4]Cl
Br2 + KJ = BrJ + BrK =>
Br2 + KJ = BrJ + BrK
CaCO3 + CO2 + H2O = HCO3{-} + Ca{2+} =>
CaCO3 + CO2 + H2O = 2 HCO3{-} + Ca{2+}
(NH4)3PO4 + C4H6BaO4 = C2H7NO2 + Ba3O8P2 =>
2(NH4)3PO4 + 3 C4H6BaO4 = 6 C2H7NO2 + Ba3O8P2
Na2CO3 + HCI = NaCI + H2CO3 =>
Na2CO3 + 2 HCI = 2 NaCI + H2CO3
N2O + ClO3{-} + OH{-} = NO2{-} + Cl{-} + H2O =>
3 N2O + 2 ClO3{-} + 6 OH{-} = 6 NO2{-} + 2 Cl{-} + 3 H2O
Al + Na + O2 + S + Si = Al6Na8O24S3Si6 =>
6 Al + 8 Na + 12 O2 + 3 S + 6 Si = Al6Na8O24S3Si6
K4Fe(CN)6 + KMnO9 + HCl = KCl + FeCl3 + MnCl2 + CO2 + NO + H2O =>
15 K4Fe(CN)6 + 43 KMnO9 + 234 HCl = 103 KCl + 15 FeCl3 + 43 MnCl2 + 90 CO2 + 90 NO + 117 H2O
Mg(s) + Fe(NO3)4(aq) = Mg(NO3)4(aq) + Fe(s) =>
Mg(s) + Fe(NO3)4(aq) = Mg(NO3)4(aq) + Fe(s)
Na2CO3 + CO2 + H2O = NaHCO3 =>
Na2CO3 + CO2 + H2O = 2 NaHCO3
HBr(aq) + Co(OH)2(aq) = CoBr2(aq) + H2O(l) =>
2 HBr(aq) + Co(OH)2(aq) = CoBr2(aq) + 2 H2O(l)
AgNO3 + (NH4)2CO3 = Ag2(CO3) + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2(CO3) + 2 NH4NO3
AgCH3COO + NH4OH = Ag2O + H2O + NH4CH3COO =>
2 AgCH3COO + 2 NH4OH = Ag2O + H2O + 2 NH4CH3COO
CuSO4Ba(NO3)2 = Cu(NO3)2BaSO4 =>
CuSO4Ba(NO3)2 = Cu(NO3)2BaSO4
H2SO4 + Ca3(PO4)2 = CaSO4 + H3PO4 =>
3 H2SO4 + Ca3(PO4)2 = 3 CaSO4 + 2 H3PO4
N2H4(g) + N2O4(g) = *5N2(g) + H2O(g) =>
10 N2H4(g) + 5 N2O4(g) = 3*5N2(g) + 20 H2O(g)
C7H14 + CoF3 = C6F14 + HF + CoF2 =>
6 C7H14 + 182 CoF3 = 7 C6F14 + 84 HF + 182 CoF2
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