| Équations équilibrées la veille |
2 Au + 3 H2S = Au2S3 + 3 H2
U3O8 + H3PO4 = UO2(H2PO4) + U(HPO4)4 + H2O =>
3 U3O8 + 12 H3PO4 = 8 UO2(H2PO4) + U(HPO4)4 + 8 H2O
Pb(NO3) + NH4Cl = PbCl + NH4(NO3) =>
Pb(NO3) + NH4Cl = PbCl + NH4(NO3)
HClO2 + I2{+} = Cl2 + Cl{-} + IO3{+} + H2O =>
8 HClO2 + 2 I2{+} = 3 Cl2 + 2 Cl{-} + 4 IO3{+} + 4 H2O
CeNO3 + H2O = Ce(OH)4 + NO =>
CeNO3 + 2 H2O = Ce(OH)4 + NO
C10H14N2 = C10H14 + N2 =>
C10H14N2 = C10H14 + N2
Al + CNO = AlO2 + CN =>
Al + 2 CNO = AlO2 + 2 CN
Cr2O7{-2} + H3O{+} + HSO3{-} = HSO4{-} + Cr{+3} + H2O =>
Cr2O7{-2} + 8 H3O{+} + 3 HSO3{-} = 3 HSO4{-} + 2 Cr{+3} + 12 H2O
CH3CH2OH + KMnO4 + H2SO4 = CH3C(O)H + MnSO4 + K2SO4 + H2O =>
5 CH3CH2OH + 2 KMnO4 + 3 H2SO4 = 5 CH3C(O)H + 2 MnSO4 + K2SO4 + 8 H2O
Ga + HBr + P(C6H5)3 = [P(C6H5)3H]2[Ga2Br6] + H2 =>
2 Ga + 6 HBr + 2 P(C6H5)3 = [P(C6H5)3H]2[Ga2Br6] + 2 H2
(CH3)3N + HCl = (CH3)Cl + NH3 =>
(CH3)3N + 3 HCl = 3(CH3)Cl + NH3
Mn(C2H3O2)4 + CU = Mn + CU(C2H3O2)2 =>
Mn(C2H3O2)4 + 2 CU = Mn + 2 CU(C2H3O2)2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na2SO4 + KCl = Na2K + SO4Cl =>
Na2SO4 + KCl = Na2K + SO4Cl
Cu + KOH = K + Cu(OH)2 =>
Cu + 2 KOH = 2 K + Cu(OH)2
(CH3)3COH(aq) + HCl(aq) = (CH3)3CCl(l) + H2O(l) =>
(CH3)3COH(aq) + HCl(aq) = (CH3)3CCl(l) + H2O(l)
C4H4O2 + O2 = CO2 + H2O =>
C4H4O2 + 4 O2 = 4 CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Fe{3+} + SCN{-}{+} = FeSCN{2+} =>
Fe{3+} + SCN{-}{+} = FeSCN{2+}
K2PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
K2PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
AgNo3 + NaOH = Ag2O + NaNo3 + H2O =>
2 AgNo3 + 2 NaOH = Ag2O + 2 NaNo3 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)2S + Zn(NO3)2 = (NH4)(NO3) + ZnS =>
(NH4)2S + Zn(NO3)2 = 2(NH4)(NO3) + ZnS
C6H12O6HCl = C6H13O6Cl =>
C6H12O6HCl = C6H13O6Cl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HNO3 + Mg(NO3)2 = HMg + NO3 =>
HNO3 + Mg(NO3)2 = HMg + 3 NO3
Li(s) + HBr(aq) = H2(g) + LiBr(aq) =>
2 Li(s) + 2 HBr(aq) = H2(g) + 2 LiBr(aq)
C2O2H4 + BeCO3 = BeC2O2H3 + H2O + CO2 =>
9 C2O2H4 + 8 BeCO3 = 8 BeC2O2H3 + 6 H2O + 10 CO2
SnO2 + OH = SnO43 + H2O =>
SnO2 + 82 OH = SnO43 + 41 H2O
Bi + Ti + Zn + Cu = Bi2Ti2ZnCu2 =>
2 Bi + 2 Ti + Zn + 2 Cu = Bi2Ti2ZnCu2
NaClO + Na2S2O3 = Cl + Na + Na2SO4 =>
5 NaClO + Na2S2O3 = 5 Cl + 3 Na + 2 Na2SO4
NH4{+} + NaOH = NH3 + H2O + Na{+} =>
NH4{+} + NaOH = NH3 + H2O + Na{+}
RbNO3 = RbNO2 + O2 =>
2 RbNO3 = 2 RbNO2 + O2
NH{+} + Cl{-} = NHCl =>
NH{+} + Cl{-} = NHCl
C4H6O4Hg + Na2SO4 = HgSO4 + NaC2H3O2 =>
C4H6O4Hg + Na2SO4 = HgSO4 + 2 NaC2H3O2
Na3PO4 + Ag = Ag3PO4 + Na =>
Na3PO4 + 3 Ag = Ag3PO4 + 3 Na
CuCl2 + NaAc = CuAc + Cl2Na =>
CuCl2 + NaAc = CuAc + Cl2Na
NH4(aq) + OH(aq) = N(g) + H2O(l) =>
NH4(aq) + 4 OH(aq) = N(g) + 4 H2O(l)
KCrCl2 + KOH + Cl2 = K2CrO4 + KCl + H2O =>
2 KCrCl2 + 16 KOH + 5 Cl2 = 2 K2CrO4 + 14 KCl + 8 H2O
CuCl + NaHO3 = CuHO3 + NaCl =>
CuCl + NaHO3 = CuHO3 + NaCl
H2SO4 + FeCO3 = Fe(SO4)3 + SO2 + CO2 + H2O =>
5 H2SO4 + FeCO3 = Fe(SO4)3 + 2 SO2 + CO2 + 5 H2O
CNPb + SOFe = CNSO + PbFe =>
CNPb + SOFe = CNSO + PbFe
Ca + Co(NO3)3 = Ca(NO3)2 + Co =>
3 Ca + 2 Co(NO3)3 = 3 Ca(NO3)2 + 2 Co
AlH3 + S2 = AlS + H =>
2 AlH3 + S2 = 2 AlS + 6 H
NaNO2 + FeSO4 + H2SO4 = NO + Fe2(SO4)3 + NaHSO4 + H2O =>
2 NaNO2 + 2 FeSO4 + 3 H2SO4 = 2 NO + Fe2(SO4)3 + 2 NaHSO4 + 2 H2O
Sn + KOH + H2O = K[Sn(OH)4] + H2 =>
2 Sn + 2 KOH + 6 H2O = 2 K[Sn(OH)4] + 3 H2
Hg2Cl2 + NH3 = Hg2NH2Cl + NH4Cl =>
Hg2Cl2 + 2 NH3 = Hg2NH2Cl + NH4Cl
NaHCO3 + HCl = NaCl + H2OCO2 =>
NaHCO3 + HCl = NaCl + H2OCO2
K2Cr2O7 + H2O + S = SO4 + K(OH) + Cr2O3 =>
4 K2Cr2O7 + 4 H2O + 3 S = 3 SO4 + 8 K(OH) + 4 Cr2O3
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