| Équations équilibrées la veille |
4 C4H7ClO2 + 19 O2 = 16 CO2 + 14 H2O + 2 Cl2
C6H60 + CO2 + NaOH = C8H3O5Na3 + H2O =>
C6H60 + 18 CO2 + 9 NaOH = 3 C8H3O5Na3 + 30 H2O
CaO + H2SeO4 = CaSeO4 + H2O =>
CaO + H2SeO4 = CaSeO4 + H2O
NaNO2 + Cl2 = NO2 + NaCl =>
2 NaNO2 + Cl2 = 2 NO2 + 2 NaCl
Na3AsO4 + AgClO3 = Na3ClO3 + AgAsO4 =>
Na3AsO4 + AgClO3 = Na3ClO3 + AgAsO4
NaOH(aq) + C9H8O4(s) = C9H7O4Na(aq) + H2O(l) =>
NaOH(aq) + C9H8O4(s) = C9H7O4Na(aq) + H2O(l)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH4Cl + Na2S = NaCl + NH3 + H2S =>
2 NH4Cl + Na2S = 2 NaCl + 2 NH3 + H2S
PCl3(g) + Cl2(g) = PCl5(g) =>
PCl3(g) + Cl2(g) = PCl5(g)
Ag4S + Co1F = SF + Ag4Co =>
Ag4S + Co1F = SF + Ag4Co
C4H10 + O2(g) = CO2 + H2O =>
2 C4H10 + 13 O2(g) = 8 CO2 + 10 H2O
MgCl2 + Na2SO3 = Mg(SO3) + NaCl =>
MgCl2 + Na2SO3 = Mg(SO3) + 2 NaCl
ZnBr2 + H3PO4 = Zn3(PO4)2 + HBr =>
3 ZnBr2 + 2 H3PO4 = Zn3(PO4)2 + 6 HBr
MnS + HBr = H2S + MnBr2 =>
MnS + 2 HBr = H2S + MnBr2
KNO2 + I2 + H2O = KNO3 + HI =>
KNO2 + I2 + H2O = KNO3 + 2 HI
FeO + Ni2O3 + NaOH + H2O = Fe(OH)3 + Na2[Ni(OH)4] =>
2 FeO + Ni2O3 + 4 NaOH + 5 H2O = 2 Fe(OH)3 + 2 Na2[Ni(OH)4]
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Ga2(CrO4)3 + Ca = CaCrO4 + Ga =>
Ga2(CrO4)3 + 3 Ca = 3 CaCrO4 + 2 Ga
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO6 =>
255 H2SO4 + 2 K4Fe(CN)6 + 122 KMnO4 = 12 CO2 + Fe2(SO4)3 + 184 H2O + 12 HNO3 + 130 KHSO4 + 122 MnSO6
Ba(OH)2 + H2SO4 = H2O + BaSO4 =>
Ba(OH)2 + H2SO4 = 2 H2O + BaSO4
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
KF + HNO3 = HF + KNO3 =>
KF + HNO3 = HF + KNO3
Na2O2 + SO2 = Na2SO4 =>
Na2O2 + SO2 = Na2SO4
Fe2(SO4)3 + KBr = K2SO4 + FeBr3 =>
Fe2(SO4)3 + 6 KBr = 3 K2SO4 + 2 FeBr3
HNO3 + NS = NO + S + H2O =>
2 HNO3 + 3 NS = 5 NO + 3 S + H2O
Pb + H2C2O4 = H2PbO4 + C2 =>
Pb + H2C2O4 = H2PbO4 + C2
FeHPO3 + H{+} + Cr2O7{2-} = Cr{3+} + H2O + H3PO4 + Fe{3+} =>
2 FeHPO3 + 14 H{+} + Cr2O7{2-} = 2 Cr{3+} + 5 H2O + 2 H3PO4 + 2 Fe{3+}
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
Ag(NO3) + HI = AgI + H(NO3) =>
Ag(NO3) + HI = AgI + H(NO3)
ZnBr2 + Na2O = ZnO + NaBr =>
ZnBr2 + Na2O = ZnO + 2 NaBr
Cu + (H2)PO4 = Cu3(PO4) + H2 =>
3 Cu + (H2)PO4 = Cu3(PO4) + H2
SrSi2 + H2O = Sr(OH)2 + Si + H2 =>
SrSi2 + 2 H2O = Sr(OH)2 + 2 Si + H2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CoI3 + AgCl = CoCl3 + AgI =>
CoI3 + 3 AgCl = CoCl3 + 3 AgI
NH3 = N4 + H2 =>
4 NH3 = N4 + 6 H2
CoCl2 + HCl = H[CoCl4] + H2 =>
2 CoCl2 + 4 HCl = 2 H[CoCl4] + H2
Cr(NO3)3 + Na2CO3 = CrCO3 + Na2(NO3)3 =>
Cr(NO3)3 + Na2CO3 = CrCO3 + Na2(NO3)3
Ba(NO3)2 + NH2SO3H + H2O(l) = BaSO4 + NH4NO3 + HNO3 =>
Ba(NO3)2 + NH2SO3H + H2O(l) = BaSO4 + NH4NO3 + HNO3
Fe + C + N = Fe(CN)2 =>
Fe + 2 C + 2 N = Fe(CN)2
SnCl2 + HNO5 + HCl = SnCl4 + N2O + H2O =>
8 SnCl2 + 2 HNO5 + 16 HCl = 8 SnCl4 + N2O + 9 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Na2CO3 + Sn(NO3)4 = Sn2(CO3)4 + NaNO3 =>
4 Na2CO3 + 2 Sn(NO3)4 = Sn2(CO3)4 + 8 NaNO3
(NH4)2S + HgBr2 = NH4Br + HgS =>
(NH4)2S + HgBr2 = 2 NH4Br + HgS
K + H2PO4 = K3PO4 + H2 =>
3 K + H2PO4 = K3PO4 + H2
CH3COOH + Ca(OH)2 = H2O + Ca + CH3COO =>
2 CH3COOH + Ca(OH)2 = 2 H2O + Ca + 2 CH3COO
H2CO3 + Mg = H2 + CO3Mg =>
H2CO3 + Mg = H2 + CO3Mg
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H1 + P4 = H4P =>
16 H1 + P4 = 4 H4P
HClO4 + Mg(OH)2 = Mg(ClO4)2 + H2O =>
2 HClO4 + Mg(OH)2 = Mg(ClO4)2 + 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
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