| Équations équilibrées la veille |
Al2(CO3)3 + 3 CaI2 = 2 AlI3 + 3 CaCO3
POCl3 + NaOH = Na{+} + Cl{-} + Na2HPO4 + H2O =>
POCl3 + 5 NaOH = 3 Na{+} + 3 Cl{-} + Na2HPO4 + 2 H2O
Fe2(C2O4)3 + KSCN = Fe(Fe(SCN)6) + K2(C2O4) =>
Fe2(C2O4)3 + 6 KSCN = Fe(Fe(SCN)6) + 3 K2(C2O4)
As2S3 + NO3{-} + H{+} = AsO4{3-} + SO4{2-} + NO2 + H3O{+} =>
As2S3 + 28 NO3{-} + 24 H{+} = 2 AsO4{3-} + 3 SO4{2-} + 28 NO2 + 8 H3O{+}
Cr(OH)6 + CO2 = Cr(OH)3 + HCO3 =>
Cr(OH)6 + 3 CO2 = Cr(OH)3 + 3 HCO3
Mg(ClO4)2 + Na = NaClO4 + Mg =>
Mg(ClO4)2 + 2 Na = 2 NaClO4 + Mg
H2SO4 + KCr(OH4) = S + Cr2(SO4)3 + H2O + K2SO4 =>
6 H2SO4 + 2 KCr(OH4) = 2 S + Cr2(SO4)3 + 10 H2O + K2SO4
KOH + H3PO3 = KPO3 + H3OH =>
KOH + H3PO3 = KPO3 + H3OH
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Mg() + P4(s) = Mg3P2(g) =>
6 Mg() + P4(s) = 2 Mg3P2(g)
C9H10O + [O] = C6H5COOH + CH3COOH =>
C9H10O + 3[O] = C6H5COOH + CH3COOH
CH4(g) + Cl2(g) = CCl4(g) + HCl =>
CH4(g) + 4 Cl2(g) = CCl4(g) + 4 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C7H8 + O2 = CO2 + H2 =>
C7H8 + 7 O2 = 7 CO2 + 4 H2
Fe + NaBr = NaFe + Br2 =>
2 Fe + 2 NaBr = 2 NaFe + Br2
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
I2O5(g) + CO(g) = CO2(g) + I2 =>
I2O5(g) + 5 CO(g) = 5 CO2(g) + I2
Ba(OH)2 + SnCl4 = Sn(OH)4 + BaCl2 =>
2 Ba(OH)2 + SnCl4 = Sn(OH)4 + 2 BaCl2
Al(H2O)6H2O = Al(H2O)5(OH)H3O =>
Al(H2O)6H2O = Al(H2O)5(OH)H3O
Ca(s) + H2O(l) = Ca(OH)2(s) + H2(l) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(s) + H2(l)
Zn + CH3COO = Zn2CH3COO =>
2 Zn + CH3COO = Zn2CH3COO
Fe(NO)2 + K2CrO4 + HCl = FeCl3 + CrCl3 + HNO3 + KCl + H2O =>
Fe(NO)2 + 3 K2CrO4 + 18 HCl = FeCl3 + 3 CrCl3 + 2 HNO3 + 6 KCl + 8 H2O
Pb(ClO3)2 + K2CO3 = PbCO3 + K2(ClO3)2 =>
Pb(ClO3)2 + K2CO3 = PbCO3 + K2(ClO3)2
MgSO4 + CaCrO4 = CaSO4 + MgCrO4 =>
MgSO4 + CaCrO4 = CaSO4 + MgCrO4
(FeCl2)4(H2O) + (FeCl3)6(H2O) + NH4OH = Fe3O4 + NH4Cl + H2O =>
3(FeCl2)4(H2O) + 4(FeCl3)6(H2O) + 95.999999999999NH4OH = 12 Fe3O4 + 95.999999999999NH4Cl + 55 H2O
CU(SO4)3 + Fe = Fe(SO4)3 + CU =>
CU(SO4)3 + Fe = Fe(SO4)3 + CU
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
Al + HCl = Al{3} + Cl{-} + H2 =>
2 Al + 6 HCl = 2 Al{3} + 6 Cl{-} + 3 H2
Al2(SO4)3 + H2O = Al2(OH)6 + H2SO4 =>
Al2(SO4)3 + 6 H2O = Al2(OH)6 + 3 H2SO4
MnBr2 + AgNO2 = AgBr + Mn(NO2)2 =>
MnBr2 + 2 AgNO2 = 2 AgBr + Mn(NO2)2
Ta3N2O2 = TaN + TaO2 =>
Ta3N2O2 = 2 TaN + TaO2
(Cr(O2)4)3{-} + H{+} = Cr3{+} + O2 + H2O =>
2(Cr(O2)4)3{-} + 4 H{+} = 2 Cr3{+} + 23 O2 + 2 H2O
HCl + Na + HCO3 = NaCl + CO2 + H2O =>
HCl + Na + HCO3 = NaCl + CO2 + H2O
Fe2 + O3 + H = Fe(OH)3 =>
Fe2 + 2 O3 + 6 H = 2 Fe(OH)3
C12H14 + O2 = H2O2 + CO2 =>
C12H14 + 19 O2 = 7 H2O2 + 12 CO2
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
KOH + Co3(PO4)2 = K3PO4 + Co(OH0)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH0)2
Na2CO3 + HC2H3O2 = Na2C2O2 + H2CO3 + H2O =>
4 Na2CO3 + 3 HC2H3O2 = 4 Na2C2O2 + 2 H2CO3 + 4 H2O
B + KOH = K3BO3HH2 =>
B + 3 KOH = K3BO3HH2
Pb + AlCl3 = PbCl2 + Al2 =>
3 Pb + 2 AlCl3 = 3 PbCl2 + Al2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
CH3CH(OH)CH2CH3 + HCl = H2O + CH3CHClCH2CH3 =>
CH3CH(OH)CH2CH3 + HCl = H2O + CH3CHClCH2CH3
H2 = (H) =>
H2 = 2(H)
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
H(g) + Se(s) = HSe(g) =>
H(g) + Se(s) = HSe(g)
Fe + Cu(ClO2) = CuO2 + FeCl2 =>
Fe + 2 Cu(ClO2) = 2 CuO2 + FeCl2
K4Fe(CN)6 + KOH + Ce(NO3)4 = Fe(OH)3 + Ce(OH)3 + K2CO3 + KNO3 + H2O =>
K4Fe(CN)6 + 258 KOH + 61 Ce(NO3)4 = Fe(OH)3 + 61 Ce(OH)3 + 6 K2CO3 + 250 KNO3 + 36 H2O
S + O30 = SO30 =>
S + O30 = SO30
KClO3 + HI = KI + H2O + Cl2 + I2 =>
2 KClO3 + 12 HI = 2 KI + 6 H2O + Cl2 + 5 I2
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