| Équations équilibrées la veille |
4 Fe + 3 O2 = 2 Fe2O3
P4(g) + O2(g) = P2O5 =>
P4(g) + 5 O2(g) = 2 P2O5
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Cu16 + O2 = Cu2O =>
Cu16 + 4 O2 = 8 Cu2O
Fe18 + B10 + Br16 + O8 = Fe2B2Br2O =>
40 Fe18 + 72 B10 + 45 Br16 + 45 O8 = 360 Fe2B2Br2O
NaOH + AgNO3 = NaNO3 + AgOH(s) =>
NaOH + AgNO3 = NaNO3 + AgOH(s)
C6H12O6 + CH4N2O + C2H5OH = C10H9N5O + H2O =>
13 C6H12O6 + 30 CH4N2O + 6 C2H5OH = 12 C10H9N5O + 102 H2O
N + B = NB =>
N + B = NB
S + OH{-} = S{2-} + (S2O3){2-} + H2O =>
4 S + 6 OH{-} = 2 S{2-} + (S2O3){2-} + 3 H2O
AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + 2 KNO3
H3PO4(aq) + HCl(aq) = PCl5(aq) + H2O =>
H3PO4(aq) + 5 HCl(aq) = PCl5(aq) + 4 H2O
P4(g) + O2(g) = P2O3(g) =>
P4(g) + 3 O2(g) = 2 P2O3(g)
Bi(NO3)2 + NH4OH = Bi(OH)3 + HNO3 + NH2 =>
5 Bi(NO3)2 + 9 NH4OH = 5 Bi(OH)3 + 8 HNO3 + 11 NH2
Fe(s) + HC2H3O2(aq) = Fe(C2H3O2)3(aq) + H2(g) =>
2 Fe(s) + 6 HC2H3O2(aq) = 2 Fe(C2H3O2)3(aq) + 3 H2(g)
GaF + Cs = CsF + Ga =>
GaF + Cs = CsF + Ga
Sn + Hg2(NO3)2 = Sn(NO3)2 + Hg =>
Sn + Hg2(NO3)2 = Sn(NO3)2 + 2 Hg
S + OH{-} = SO3{2-} + S{2-} + H2O =>
3 S + 6 OH{-} = SO3{2-} + 2 S{2-} + 3 H2O
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
C6H12O6 + C2H5OH + CH4N2O = C22H26N2O3 + H2O =>
4 C6H12O6 + 9 C2H5OH + 2 CH4N2O = 2 C22H26N2O3 + 29 H2O
N + B = N2B =>
2 N + B = N2B
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
AlCl(subscript)3 + NH(subscript)4OH = NH(subscript)4Cl + Al(OH)(subscript)3 =>
AlCl(subscript)3 + 3 NH(subscript)4OH = 3 NH(subscript)4Cl + Al(OH)(subscript)3
P4(g) + O2(g) = P4O10 =>
P4(g) + 5 O2(g) = P4O10
K2S + Zn(OH)2 = K2Zn + S(OH)2 =>
K2S + Zn(OH)2 = K2Zn + S(OH)2
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
S + OH{-} = SO3{2-} + HS{-} + H2O =>
3 S + 4 OH{-} = SO3{2-} + 2 HS{-} + H2O
HF + Hg(OH)2 = H2O + HgF2 =>
2 HF + Hg(OH)2 = 2 H2O + HgF2
PH2Br = P + H2 + Br =>
PH2Br = P + H2 + Br
Mg(s) + H2SO4(aq) = H2(g) + MgSO4(aq) =>
Mg(s) + H2SO4(aq) = H2(g) + MgSO4(aq)
Pt + HBr = PtBr2 + H2 =>
Pt + 2 HBr = PtBr2 + H2
C3H6 + HNO3 = C3H5NO2 + H2O =>
C3H6 + HNO3 = C3H5NO2 + H2O
NO2 + H = N2O + H2O =>
2 NO2 + 6 H = N2O + 3 H2O
H2CO3 + Co(OH)2 = Co(CO3) + H2O =>
H2CO3 + Co(OH)2 = Co(CO3) + 2 H2O
P4(g) + O2(g) = P4O10(g) =>
P4(g) + 5 O2(g) = P4O10(g)
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
NH4NO3 + KOH = NH3KNO3 + H2O =>
NH4NO3 + KOH = NH3KNO3 + H2O
Fe(s) + HC2H3O2(aq) = Fe(C2H3O2)2(aq) + H2(g) =>
Fe(s) + 2 HC2H3O2(aq) = Fe(C2H3O2)2(aq) + H2(g)
S + OH{-} = S{-2} + S2O3{-2} + H2O =>
4 S + 6 OH{-} = 2 S{-2} + S2O3{-2} + 3 H2O
Pt + HBr = HPt + Br =>
Pt + HBr = HPt + Br
MgCO3 + C6H8O6 = MgC12H14O12 + H2O + CO2 =>
MgCO3 + 2 C6H8O6 = MgC12H14O12 + H2O + CO2
HIO3 + Na = NaIO3 + H =>
HIO3 + Na = NaIO3 + H
NO2 + H = NO + H2O =>
NO2 + 2 H = NO + H2O
Za + H2SO4 = H2 + ZaSO4 =>
Za + H2SO4 = H2 + ZaSO4
H2CO3 + Co(OH)2 = CoCO3 + H2O =>
H2CO3 + Co(OH)2 = CoCO3 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
FeI2 = Fe2 + I =>
2 FeI2 = Fe2 + 4 I
Pb(No3)2 + KOH = PbOH + K(No3)2 =>
Pb(No3)2 + KOH = PbOH + K(No3)2
S + OH{-} = S2{-} + S2O32{-} + H2O =>
128 S + 64 OH{-} = 63 S2{-} + S2O32{-} + 32 H2O
Z + H2O = ZO2 + H =>
Z + 2 H2O = ZO2 + 4 H
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Équations équilibrées sur11/13/24
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