| Équations équilibrées la veille | Équations équilibrées le lendemain |
Se + Zn = ZnSe
(CH2)5CHOH + H2Cr2O7 + H2SO4 = (CH2)CO + Cr2(SO4)3 + H2O =>
3(CH2)5CHOH + 5 H2Cr2O7 + 15 H2SO4 = 9(CH2)CO + 5 Cr2(SO4)3 + 29 H2O
Sn(NO3)2 + Ag(NO3)2 = Sn(NO3)4 + Ag =>
Sn(NO3)2 + Ag(NO3)2 = Sn(NO3)4 + Ag
Cr2O7{2-} + H{+} + {-} = Cr{3+} + H2O =>
Cr2O7{2-} + 14 H{+} + 6e = 2 Cr{3+} + 7 H2O
SnCl4 + F2 = SnF2 + Cl2 =>
SnCl4 + F2 = SnF2 + 2 Cl2
NH3 + F2 = NF3 + H2 =>
2 NH3 + 3 F2 = 2 NF3 + 3 H2
Na2B4O7*10H2O(borax) + NaF = BF3 + NaOH + H2O =>
Na2B4O7*10H2O(borax) + 12 NaF = 4 BF3 + 14 NaOH + 3 H2O
NH3 + F2 = NF3 + H2 =>
2 NH3 + 3 F2 = 2 NF3 + 3 H2
S + KOH = K2S + K2SO3(K2S2O3) + H2O =>
7 S + 12 KOH = 4 K2S + K2SO3(K2S2O3) + 6 H2O
K2CrO4 + NaNO2 + H2SO4 = K2SO4 + NaNO3 + Cr2(SO4)3 + H2O =>
2 K2CrO4 + 3 NaNO2 + 5 H2SO4 = 2 K2SO4 + 3 NaNO3 + Cr2(SO4)3 + 5 H2O
Ni(NO3)2*6H2O + Cd(NO3)2*4H2O + Fe(NO3)3*9H2O + NH2CONH2 = NiCdFe2O4 + N2 + CO2 + H2O =>
3 Ni(NO3)2*6H2O + 3 Cd(NO3)2*4H2O + 6 Fe(NO3)3*9H2O + 26 NH2CONH2 = 3 NiCdFe2O4 + 41 N2 + 26 CO2 + 136 H2O
Cr3Si + O2 = Cr2O3 + SiO2 =>
4 Cr3Si + 13 O2 = 6 Cr2O3 + 4 SiO2
H2O2 + KMnO4 = K2O2 + HMnO4 =>
H2O2 + 2 KMnO4 = K2O2 + 2 HMnO4
CaSO4 + H2O = Ca + SO5H2 =>
CaSO4 + H2O = Ca + SO5H2
NH3 + F2 = NF3 + H2 =>
2 NH3 + 3 F2 = 2 NF3 + 3 H2
NaVO3 + H2SO4 + KI = I2 + VSO4 + Na2SO4 + K2SO4 + H2O =>
2 NaVO3 + 6 H2SO4 + 6 KI = 3 I2 + 2 VSO4 + Na2SO4 + 3 K2SO4 + 6 H2O
Cu2 + CaF2 = CaCu2 + F2 =>
Cu2 + CaF2 = CaCu2 + F2
K3PO4 + Ag(NO3) = Ag3PO4 + KNO3 =>
K3PO4 + 3 Ag(NO3) = Ag3PO4 + 3 KNO3
CaCO3 + CH3COOH = CO2 + (CH3COO)Ca + H2O =>
8 CaCO3 + 9 CH3COOH = 10 CO2 + 8(CH3COO)Ca + 6 H2O
Al + ClCl = AlClClClAlClClCl =>
2 Al + 3 ClCl = AlClClClAlClClCl
BaSiO3 + H2O = H2SiO3 + BaO =>
BaSiO3 + H2O = H2SiO3 + BaO
MnS + KMnO4 = MnO2 + K2SO4 + K2MnO4 =>
MnS + 4 KMnO4 = 4 MnO2 + K2SO4 + K2MnO4
FeCl3*6H2O + K2C2O4*H2O = K3Fe(C2O4)3*3H2O + H2O + KCl =>
FeCl3*6H2O + 3 K2C2O4*H2O = K3Fe(C2O4)3*3H2O + 6 H2O + 3 KCl
C4H5ON3 + O2 = CO2 + H2O + NO3 =>
4 C4H5ON3 + 37 O2 = 16 CO2 + 10 H2O + 12 NO3
NaNO3 + H2SO = Na2SO + HNO3 =>
2 NaNO3 + H2SO = Na2SO + 2 HNO3
NH + HCl = NCl + H2 =>
NH + HCl = NCl + H2
AgNO3 + Ba(Cl2)2 = AgCl2 + Ba(NO3)2 =>
2 AgNO3 + Ba(Cl2)2 = 2 AgCl2 + Ba(NO3)2
KL2 = K + L2 =>
KL2 = K + L2
Na2CO3 + C6H8O7 = NaC6H7O7 + CO2 + H2O =>
Na2CO3 + 2 C6H8O7 = 2 NaC6H7O7 + CO2 + H2O
Br2 + FeCl3 = FeBr2 + Cl2 =>
2 Br2 + 2 FeCl3 = 2 FeBr2 + 3 Cl2
C6H11NH2 + HCl = C6H11NH3Cl =>
C6H11NH2 + HCl = C6H11NH3Cl
CO2 + NaBH4 + H2O = C6H10O + NaB(OH)4 =>
6 CO2 + 4 NaBH4 + 5 H2O = C6H10O + 4 NaB(OH)4
C18H17NO4 + O2 = CO2 + H2O + NH3 =>
2 C18H17NO4 + 39 O2 = 36 CO2 + 14 H2O + 2 NH3
(NH4)3PO4 + Ba(OH)2 = NH5O + Ba3(PO4)2 =>
2(NH4)3PO4 + 3 Ba(OH)2 = 6 NH5O + Ba3(PO4)2
CuO(g) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(g) + H2SO4(aq) = CuSO4(aq) + H2O(l)
NaOH + Bi(OH)3 + Na2S2O8 = NaBiO3 + Na2SO4 + H2O =>
3 NaOH + Bi(OH)3 + Na2S2O8 = NaBiO3 + 2 Na2SO4 + 3 H2O
Al2(SO4)3*H2O + NaOH = Al(OH)3 + Na2SO4 + H2O =>
Al2(SO4)3*H2O + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
B + S = B2S3 =>
2 B + 3 S = B2S3
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O =>
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O
ZnS + I2 = ZnI2 + S2 =>
2 ZnS + 2 I2 = 2 ZnI2 + S2
H + NO = H2O + N =>
2 H + NO = H2O + N
Rb2 + S = RbS =>
Rb2 + 2 S = 2 RbS
C8H8O3 + NaOH = C7H5NaO3 + CH3OH =>
C8H8O3 + NaOH = C7H5NaO3 + CH3OH
Al(g) + HCl(g) = AlCl3 + H2(g) =>
2 Al(g) + 6 HCl(g) = 2 AlCl3 + 3 H2(g)
V + HCl + HNO3 = NO + H2O + VO2Cl =>
3 V + 3 HCl + 5 HNO3 = 5 NO + 4 H2O + 3 VO2Cl
NH4Cl + P3N5 + SrN6 = SrP3N5NH + SrCl2 + N2 =>
2 NH4Cl + 8 P3N5 + 9 SrN6 = 8 SrP3N5NH + SrCl2 + 24 N2
FeBr3 + Br2 + KOH = Fe(BrO3)2 + KBr + H2O =>
2 FeBr3 + 11 Br2 + 24 KOH = 2 Fe(BrO3)2 + 24 KBr + 12 H2O
Na3V3O9 + H2SO4 = Na2SO4 + Na6V10O28 + H2O =>
10 Na3V3O9 + 6 H2SO4 = 6 Na2SO4 + 3 Na6V10O28 + 6 H2O
Na + CoCl = Co + NaCl =>
Na + CoCl = Co + NaCl
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