| Équations équilibrées la veille |
Br2 + 2 KI = 2 KBr + I2
S3O6{2-} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
S3O6{2-} + 4 Cl2 + 6 H2O = 3 SO4{2-} + 8 Cl{-} + 12 H{+}
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg + Na2O = MgO + Na =>
Mg + Na2O = MgO + 2 Na
Mg2SO4(aq) + Zn(s) = Zn(SO4)2(aq) + Mg(s) =>
2 Mg2SO4(aq) + Zn(s) = Zn(SO4)2(aq) + 4 Mg(s)
CoCl2 + C2N2H8 + HCl + H2O2 = [Co(C2N2H8)2Cl2]Cl + H2O =>
2 CoCl2 + 4 C2N2H8 + 2 HCl + H2O2 = 2[Co(C2N2H8)2Cl2]Cl + 2 H2O
C4H10O2 + O2 = CO2 + H2O =>
2 C4H10O2 + 11 O2 = 8 CO2 + 10 H2O
HS + KOH = KS + H2O =>
HS + KOH = KS + H2O
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
NaOH + PbO + H2O = Na2Pb(OH)4 =>
2 NaOH + PbO + H2O = Na2Pb(OH)4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HS + KOH = KS + H2O =>
HS + KOH = KS + H2O
Na2CO3 + Cr2O3 + O2 = Na2CrO4 + CO2 =>
4 Na2CO3 + 2 Cr2O3 + 3 O2 = 4 Na2CrO4 + 4 CO2
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
NaCl + H2SO4 = Na2 + SO4 + ClH2 =>
2 NaCl + 2 H2SO4 = Na2 + 2 SO4 + 2 ClH2
Zn + AgNo3(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn + 2 AgNo3(aq) = 2 Ag(s) + Zn(No3)2(aq)
Na + Cl + Mg = NaClMg =>
Na + Cl + Mg = NaClMg
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Li(NO3) = Li + (NO3) =>
Li(NO3) = Li + (NO3)
HS + KOH = KS + H2O =>
HS + KOH = KS + H2O
OKI = OIK =>
OKI = OIK
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CsOHHBr = CsBrH2O =>
CsOHHBr = CsBrH2O
NaCl + Br2 = NaBr + Cl2 =>
2 NaCl + Br2 = 2 NaBr + Cl2
[Fe(H2O)6]{3+} + SCN{-} = [Fe(H2O)5SCN]{2+} + H2O =>
[Fe(H2O)6]{3+} + SCN{-} = [Fe(H2O)5SCN]{2+} + H2O
MnO4 + HCl = Cl2 + MnCl2 + H2O =>
MnO4 + 8 HCl = 3 Cl2 + MnCl2 + 4 H2O
SiCO2 + C = Si + CO =>
SiCO2 + C = Si + 2 CO
MgCO3 + H2O = Mg(OH)2 + CO2 =>
MgCO3 + H2O = Mg(OH)2 + CO2
HS + KOH = KS + H2O =>
HS + KOH = KS + H2O
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
Cu(OH)2 + NH3 + H2O = Cu(OH)4 + NH4 =>
Cu(OH)2 + 2 NH3 + 2 H2O = Cu(OH)4 + 2 NH4
TiO + Cl2 = TiCl3 + O2 =>
2 TiO + 3 Cl2 = 2 TiCl3 + O2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
K3[Cr(OH)6] + HNO3 = Cr(OH)3 + H2O + KNO3 =>
K3[Cr(OH)6] + 3 HNO3 = Cr(OH)3 + 3 H2O + 3 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
H2SO4 + Au = Au2(SO4)3 + H2 =>
3 H2SO4 + 2 Au = Au2(SO4)3 + 3 H2
FeCr2 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCr2 + 8 K2CO3 + 15 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2
As2S3 + H{+} + NO3{-} + H2O = H3AsO4 + NO + S8 =>
24 As2S3 + 80 H{+} + 80 NO3{-} + 32 H2O = 48 H3AsO4 + 80 NO + 9 S8
ZnS + HC2H3O2 = Zn(C2H3O2)2 + H2S =>
ZnS + 2 HC2H3O2 = Zn(C2H3O2)2 + H2S
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Mg(s) + Zn(NO3)2 = Mg(NO3)2 + Zn(s) =>
Mg(s) + Zn(NO3)2 = Mg(NO3)2 + Zn(s)
CaH2(CO3)2 = Ca(CO3) + CO2 + H2O =>
CaH2(CO3)2 = Ca(CO3) + CO2 + H2O
N2 + H2O + O2 = NHO3 =>
2 N2 + 2 H2O + 5 O2 = 4 NHO3
Cl2 + S + H2SO4 = SOCl2 + HCl =>
5 Cl2 + 3 S + H2SO4 = 4 SOCl2 + 2 HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CuS + HNO3 = Cu{2} + NO3{-} + NO + S + H2O =>
3 CuS + 8 HNO3 = 3 Cu{2} + 6 NO3{-} + 2 NO + 3 S + 4 H2O
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