| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cd(OH)2 + 4 NH4OH = (Cd(NH3)4)(OH)2 + 4 H2O
ZnSO4 + H3PO4 = Zn3(PO4)2 + H2SO4 =>
3 ZnSO4 + 2 H3PO4 = Zn3(PO4)2 + 3 H2SO4
P2O3 + KOH = K2O + P(OH)3 =>
P2O3 + 6 KOH = 3 K2O + 2 P(OH)3
Zn(s) + AgCl(s) = ZnCl2(s) + Ag(s) =>
Zn(s) + 2 AgCl(s) = ZnCl2(s) + 2 Ag(s)
Fe2 + S2 = FeS =>
Fe2 + S2 = 2 FeS
SnCl2 + H2SO4 + KMnO4 = SnCl4 + SnSO4 + K2SO4 + MnSO4 + H2O =>
10 SnCl2 + 8 H2SO4 + 2 KMnO4 = 5 SnCl4 + 5 SnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
Cr2(SO4)3 + FeCl3 = CrCl3 + Fe2(SO4)3 =>
Cr2(SO4)3 + 2 FeCl3 = 2 CrCl3 + Fe2(SO4)3
Pb(CH3COO)2 + CuSO4 = PbSO4 + Cu(CH3COO)2 =>
Pb(CH3COO)2 + CuSO4 = PbSO4 + Cu(CH3COO)2
KOH + Cu(NO3)2 = K(NO3)2 + CuOH =>
KOH + Cu(NO3)2 = K(NO3)2 + CuOH
UO2(SO4)3 + NH4OH + H = (NH4)2U2O7 + (NH4)2SO4 + H2O =>
2 UO2(SO4)3 + 14 NH4OH + 8 H = (NH4)2U2O7 + 6(NH4)2SO4 + 11 H2O
Cu + FeCl3 = CuCl4 + Fe =>
3 Cu + 4 FeCl3 = 3 CuCl4 + 4 Fe
MnO2 + SO2H2O = Mn + SO4 + H =>
MnO2 + 2 SO2H2O = Mn + 2 SO4 + 4 H
K4Fe(CN6)3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + CO2 + HNO2 + H2O =>
10 K4Fe(CN6)3 + 146 KMnO4 + 254 H2SO4 = 93 K2SO4 + 146 MnSO4 + 5 Fe2(SO4)3 + 30 CO2 + 180 HNO2 + 164 H2O
Si4O2 + HF = H2O + Si4F4 =>
Si4O2 + 4 HF = 2 H2O + Si4F4
C6H10N2O3 + O2 = H2O + CO2 + N2H4CO =>
2 C6H10N2O3 + 11 O2 = 6 H2O + 10 CO2 + 2 N2H4CO
FeS + HCI = Fe2(CI)3 + S2(H)3 =>
2 FeS + 3 HCI = Fe2(CI)3 + S2(H)3
K2O + H2O + As2S3 + KClO3 = KH2AsO4 + H2SO4 + KCl =>
3 K2O + 15 H2O + 3 As2S3 + 14 KClO3 = 6 KH2AsO4 + 9 H2SO4 + 14 KCl
H2O + CO2 = C6H12O6 + O3 =>
6 H2O + 6 CO2 = C6H12O6 + 4 O3
Cu(CO2CH3)2 + NaOH = CH3COONa + Cu(OH)2 =>
Cu(CO2CH3)2 + 2 NaOH = 2 CH3COONa + Cu(OH)2
Fe2SO4 + KMnO4 + H2SO4 = MnSO4 + Fe(SO4)3 + K2SO4 + H2O =>
Fe2SO4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 2 Fe(SO4)3 + K2SO4 + 8 H2O
Na2S + NaClO3 = Na2SO4 + NaCl =>
3 Na2S + 4 NaClO3 = 3 Na2SO4 + 4 NaCl
BCl + KSO4 = BSO4 + KCl =>
BCl + KSO4 = BSO4 + KCl
FeTiO3 + NH4HF2 = (NH4)2TiF6 + FeF2 + H2O + NH3 =>
FeTiO3 + 4 NH4HF2 = (NH4)2TiF6 + FeF2 + 3 H2O + 2 NH3
Na3PO3 + AlBr3 = AlPO3 + NaBr =>
Na3PO3 + AlBr3 = AlPO3 + 3 NaBr
Fe2O4 + SO4 = FeS + O2 =>
Fe2O4 + 2 SO4 = 2 FeS + 6 O2
C6H10O5 + H2O = C6H12O6 =>
C6H10O5 + H2O = C6H12O6
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
C2H4(g) + O2 = CO2(g) + H2O(g) =>
C2H4(g) + 3 O2 = 2 CO2(g) + 2 H2O(g)
FeI2 + H2SO4 = Fe2(SO4)3 + I2 + H2S + H2O =>
8 FeI2 + 15 H2SO4 = 4 Fe2(SO4)3 + 8 I2 + 3 H2S + 12 H2O
C7H8 + H2SO4 = C7H7SO3H + H2O =>
C7H8 + H2SO4 = C7H7SO3H + H2O
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
Ba(OH)2 + AgClO3 = BaClO3 + Ag(OH)2 =>
Ba(OH)2 + AgClO3 = BaClO3 + Ag(OH)2
B2S3(s) + H2O(l) = H3BO3 + H2S =>
B2S3(s) + 6 H2O(l) = 2 H3BO3 + 3 H2S
AlBr3 + K2S + H2O = Al(OH)3 + KHS + KBr =>
AlBr3 + 3 K2S + 3 H2O = Al(OH)3 + 3 KHS + 3 KBr
AgCl + NaNO3 + NH3 = Ag(NH3)2 + NaNO3Cl =>
AgCl + NaNO3 + 2 NH3 = Ag(NH3)2 + NaNO3Cl
AgO = Ag + O =>
AgO = Ag + O
Ba(OH)2 + H3BO3 = Ba3(BO3)2 + HOH =>
3 Ba(OH)2 + 2 H3BO3 = Ba3(BO3)2 + 6 HOH
Al2(SO4)3 + Na2S = Al2S3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2S = Al2S3 + 3 Na2SO4
NaCO3 + CoCl2 = CoCO3 + NaCl2 =>
NaCO3 + CoCl2 = CoCO3 + NaCl2
K2Cr2O7 + H2SO3 = H2O + H2SO4 + K2SO4 + CrSO4 =>
K2Cr2O7 + 4 H2SO3 = 3 H2O + H2SO4 + K2SO4 + 2 CrSO4
KH2PO4 = K + H + P + O =>
KH2PO4 = K + 2 H + P + 4 O
Li3PO4 + H2 = Li + H3PO4 =>
2 Li3PO4 + 3 H2 = 6 Li + 2 H3PO4
SO3 + NH3 = (NH3)2SO3 =>
SO3 + 2 NH3 = (NH3)2SO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
SH2 + V(OH)2 = VH2S2 + H2O =>
2 SH2 + V(OH)2 = VH2S2 + 2 H2O
KMnO4 + HCOOK = K2CO3 + KHCO3 + MnO2 + H2O =>
2 KMnO4 + 3 HCOOK = 2 K2CO3 + KHCO3 + 2 MnO2 + H2O
Hg(MnO4)2 + Al2(Cr2O7)3 = HgCr2O7 + Al(MnO4)3 =>
3 Hg(MnO4)2 + Al2(Cr2O7)3 = 3 HgCr2O7 + 2 Al(MnO4)3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe2 + O2 = (FeO)2 =>
Fe2 + O2 = (FeO)2
CuSO4 + MnSO4 + NaOH = Na2SO4 + CuMnO2 + H2O =>
CuSO4 + MnSO4 + 4 NaOH = 2 Na2SO4 + CuMnO2 + 2 H2O
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