| Équations équilibrées la veille |
2 NOCl = 2 NO + Cl2
CaCO3(s) + Ba(NO3)2 = BaCO3 + Ca(NO3)2 =>
CaCO3(s) + Ba(NO3)2 = BaCO3 + Ca(NO3)2
H2 + SiO2 = Si + H2O =>
2 H2 + SiO2 = Si + 2 H2O
PbSO4 + Ba = Pb + Ba(SO4)2 =>
2 PbSO4 + Ba = 2 Pb + Ba(SO4)2
(H3O)2SiF6 + Na2SO4 = H + S + O + Na2SiF6 =>
(H3O)2SiF6 + Na2SO4 = 6 H + S + 6 O + Na2SiF6
Zn + KMnO4 + KOH = K2MnO4 + K2(Zn(OH)4) =>
Zn + 2 KMnO4 + 4 KOH = 2 K2MnO4 + K2(Zn(OH)4)
Ba(NO3)2 + Al2O3 = BaO + Al(NO3)3 =>
3 Ba(NO3)2 + Al2O3 = 3 BaO + 2 Al(NO3)3
H2SO4Mg(OH)2 = H2O + MgSO4 =>
H2SO4Mg(OH)2 = 2 H2O + MgSO4
NaCI + Li = LiCI + Na =>
NaCI + Li = LiCI + Na
CH4 + H2O(g) = H2 + CO =>
CH4 + H2O(g) = 3 H2 + CO
Ba(NO2)2 + Li2SO4 = BaSO4 + LiNO2 =>
Ba(NO2)2 + Li2SO4 = BaSO4 + 2 LiNO2
Ag(NO)3 + Na(NO3) = Ag(NO3)3 + NaNO =>
Ag(NO)3 + 3 Na(NO3) = Ag(NO3)3 + 3 NaNO
H2SnO3 + Ni(OH)2 = (NiOH)2SnO3 + H2O =>
H2SnO3 + 2 Ni(OH)2 = (NiOH)2SnO3 + 2 H2O
BeF2 + Mg = Mg2F3 + Be =>
3 BeF2 + 4 Mg = 2 Mg2F3 + 3 Be
Na2S2O3 + Cl2 + H2O = NaHSO5 + HCl =>
Na2S2O3 + 6 Cl2 + 7 H2O = 2 NaHSO5 + 12 HCl
S4O62{-} + Br2 + OH{-} = SO42{-} + Br{-} + H2O =>
2 S4O62{-} + 209 Br2 + 424 OH{-} = 8 SO42{-} + 418 Br{-} + 212 H2O
Ni + FeSO4 = Ni2(SO4)3 + Fe =>
2 Ni + 3 FeSO4 = Ni2(SO4)3 + 3 Fe
CH3CH2OH + Cr2O7{-} + H{+} = CH3COOH + Cr{3+} + H2O =>
7 CH3CH2OH + 4 Cr2O7{-} + 28 H{+} = 7 CH3COOH + 8 Cr{3+} + 21 H2O
Ag{+}(aq) + Cu(s) = Cu{+2}(aq) + Ag(s) =>
2 Ag{+}(aq) + Cu(s) = Cu{+2}(aq) + 2 Ag(s)
MoO3 + K2MoO4 + Li2MoO4 = KLiMo4O13 =>
6 MoO3 + K2MoO4 + Li2MoO4 = 2 KLiMo4O13
K2S2O8 + HCl = KCl + H2S2O8 =>
K2S2O8 + 2 HCl = 2 KCl + H2S2O8
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3 + NH4NO3 =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3 + 6 NH4NO3
SiO2 + NaOH = H2O + Na6Si2O7 =>
2 SiO2 + 6 NaOH = 3 H2O + Na6Si2O7
Mg(OH)2 + AuCl3 = Au(OH)3 + MgCl2 =>
3 Mg(OH)2 + 2 AuCl3 = 2 Au(OH)3 + 3 MgCl2
HC2H3O2 + NaOH = C2H3O2OH + HNa =>
HC2H3O2 + NaOH = C2H3O2OH + HNa
ZnBr + Cl = ZnCl2 + Br2 =>
2 ZnBr + 4 Cl = 2 ZnCl2 + Br2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C12H24 + O2 = CO2 + H2O =>
C12H24 + 18 O2 = 12 CO2 + 12 H2O
H2SO4 + HBr = Br2*SO2 + H2O =>
H2SO4 + 2 HBr = Br2*SO2 + 2 H2O
IBr + NH3(aq) = NI3 + NH4Br =>
3 IBr + 4 NH3(aq) = NI3 + 3 NH4Br
Na2 + K = KNa =>
Na2 + 2 K = 2 KNa
Re2S7 + HCl = ReCl4 + H2S + S =>
Re2S7 + 8 HCl = 2 ReCl4 + 4 H2S + 3 S
KBr(aq)AgNo3(aq) = KNo3(aq)AgBr(s) =>
KBr(aq)AgNo3(aq) = KNo3(aq)AgBr(s)
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Co2(SO4)3 + CaH2 = CoH3 + CaSO4 =>
Co2(SO4)3 + 3 CaH2 = 2 CoH3 + 3 CaSO4
Zn + HNO3(r) = ZnNO3 + H2 =>
2 Zn + 2 HNO3(r) = 2 ZnNO3 + H2
Zn(s) + HC2H3O2(aq) = ZnC2H3O2(aq) + H2(g) =>
2 Zn(s) + 2 HC2H3O2(aq) = 2 ZnC2H3O2(aq) + H2(g)
Ca(NO3)2 + K2SO4 = CaSO4 + KNO3 =>
Ca(NO3)2 + K2SO4 = CaSO4 + 2 KNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al(H2O) + H2O = Al(H2O)OH + H3O =>
Al(H2O) + 2 H2O = Al(H2O)OH + H3O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba(NO3)2 + HCl = BaCl2 + NO3 + H =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 NO3 + 2 H
C6H10O + HNO3 = C6H10O4 + H2O + N2O3 =>
2 C6H10O + 6 HNO3 = 2 C6H10O4 + 3 H2O + 3 N2O3
H3BO3 + CO(OH)3 = COBO3 + H2O =>
H3BO3 + CO(OH)3 = COBO3 + 3 H2O
Cl2 + HBiO3 + MnSO4 + K2SO4 + H2O = BiCl3 + KMnO4 + H2SO4 =>
3 Cl2 + 2 HBiO3 + 2 MnSO4 + K2SO4 + 2 H2O = 2 BiCl3 + 2 KMnO4 + 3 H2SO4
Fe(NO){3} + NaOH{3} = Fe(OH){3} + NaNO{3} =>
Fe(NO){3} + NaOH{3} = Fe(OH){3} + NaNO{3}
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