| Équations équilibrées la veille |
2 Li + H2S = Li2S + 2 H
AgBr + (NH4)2CO3 = Ag2CO3 + NH4Br =>
2 AgBr + (NH4)2CO3 = Ag2CO3 + 2 NH4Br
H2O + Mg + O2 = Mg(OH)2 =>
2 H2O + 2 Mg + O2 = 2 Mg(OH)2
MgCO3(s) + HBr(aq) = MgBr2(aq) + CO2(g) + H2O(l) =>
MgCO3(s) + 2 HBr(aq) = MgBr2(aq) + CO2(g) + H2O(l)
Cd(Cl)2 + Na2S = CdS + NaCl =>
Cd(Cl)2 + Na2S = CdS + 2 NaCl
Al2S3 + KF = AlF3 + K2S =>
Al2S3 + 6 KF = 2 AlF3 + 3 K2S
Fe + NaCO2 = Na + FeCO2 =>
Fe + NaCO2 = Na + FeCO2
FeS + O2 = FeO + SO =>
FeS + O2 = FeO + SO
BaSO4 + CaCl2 = BaCl2 + CaSO4 =>
BaSO4 + CaCl2 = BaCl2 + CaSO4
Cu(NH3)4(NO3)2 + H2S + H2O = CuS + NH4{+} + NO3{-} + OH{-} =>
Cu(NH3)4(NO3)2 + H2S + 2 H2O = CuS + 4 NH4{+} + 2 NO3{-} + 2 OH{-}
NaOH + CuCl2 = NaCl2 + CuH + O =>
NaOH + CuCl2 = NaCl2 + CuH + O
J2 + Na2S2O3 = NaJ + Na2S4O6 =>
J2 + 2 Na2S2O3 = 2 NaJ + Na2S4O6
(NH4)2SO4(s) + NaOH(aq) = Na2SO4(aq) + NH4OH(s) =>
(NH4)2SO4(s) + 2 NaOH(aq) = Na2SO4(aq) + 2 NH4OH(s)
KMnO4 + NaNO2 + H2SO4 = NaNO3 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = 5 NaNO3 + K2SO4 + 2 MnSO4 + 3 H2O
MgI2 + Mn(SO3)2 = MgSO3 + MnI4 =>
2 MgI2 + Mn(SO3)2 = 2 MgSO3 + MnI4
NiI3 = Ni + I =>
NiI3 = Ni + 3 I
HCl + Ba(OH)2H2O = BaCl2 + H2O =>
2 HCl + Ba(OH)2H2O = BaCl2 + 3 H2O
KPO3 + H2O = KH2PO4 =>
KPO3 + H2O = KH2PO4
(NF4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NF4NO3 =>
4(NF4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NF4NO3
NH4 + OH = NH4OH =>
NH4 + OH = NH4OH
AgCl + PbCl2 = AgPbCl3 =>
AgCl + PbCl2 = AgPbCl3
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
KClO3 + SnSO4 + H2SO4 = HCl + H2O + K2SO4 + Sn(SO4)2 =>
2 KClO3 + 6 SnSO4 + 7 H2SO4 = 2 HCl + 6 H2O + K2SO4 + 6 Sn(SO4)2
(NaClO3)8(C7H5NaO2)2 = (NaClO3) + (C7H5NaO2) =>
(NaClO3)8(C7H5NaO2)2 = 8(NaClO3) + 2(C7H5NaO2)
Cl2 + F2 = ClF =>
Cl2 + F2 = 2 ClF
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
NH2CH2COOH + HNO3 = HOCH2COOH + N2 + H2O =>
5 NH2CH2COOH + 3 HNO3 = 5 HOCH2COOH + 4 N2 + 4 H2O
(NH4)2S + H2SO4 = (NH4)2SO4 + H2S =>
(NH4)2S + H2SO4 = (NH4)2SO4 + H2S
CH3COOH + CuOH = CH3COOCu + H2O =>
CH3COOH + CuOH = CH3COOCu + H2O
AgNo3 + Na2SnO2 + NaOH = Ag + Na2SnO3 + NaNo3 + H2O =>
2 AgNo3 + Na2SnO2 + 2 NaOH = 2 Ag + Na2SnO3 + 2 NaNo3 + H2O
NiO(s) + HCl(ag) = NiCl2(aq) + H2O(l) =>
NiO(s) + 2 HCl(ag) = NiCl2(aq) + H2O(l)
IrF4 + Cr2(SO4)3 = Ir(SO4)2 + CrF3 =>
3 IrF4 + 2 Cr2(SO4)3 = 3 Ir(SO4)2 + 4 CrF3
SnO2 + C = CO + SnO =>
SnO2 + C = CO + SnO
KOH + (NH4)2HPO4 = K2HPO4 + H2O + NH3 =>
2 KOH + (NH4)2HPO4 = K2HPO4 + 2 H2O + 2 NH3
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
C4H10 + O2 = H2O + CO2H2O =>
2 C4H10 + 13 O2 = 2 H2O + 8 CO2H2O
Zn + NaOH + HCl = Zn(OH)2 + NaCl + H =>
Zn + 2 NaOH + 2 HCl = Zn(OH)2 + 2 NaCl + 2 H
H(g)O(s) = H + O2(g) =>
2 H(g)O(s) = 2 H + O2(g)
Fe(OH)3 + (NH4)2SO4 = Fe2(SO4)3 + H2O + NH3 =>
2 Fe(OH)3 + 3(NH4)2SO4 = Fe2(SO4)3 + 6 H2O + 6 NH3
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
CH3COONaI2 = CH3IICOONa =>
CH3COONaI2 = CH3IICOONa
Na2SO3 = Na2O + SO2 =>
Na2SO3 = Na2O + SO2
H2CO3 = CO2 + H2O =>
H2CO3 = CO2 + H2O
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
MgI2 + K2CrO4 + H2SO4 = I2 + MgSO4 + K2SO4 + H2O + Cr2(SO4)3 =>
3 MgI2 + 2 K2CrO4 + 8 H2SO4 = 3 I2 + 3 MgSO4 + 2 K2SO4 + 8 H2O + Cr2(SO4)3
H3 + NaOH = H2O + Na2 =>
2 H3 + 6 NaOH = 6 H2O + 3 Na2
K2SO4 + Cu(OH)2 = CuSO4 + KOH =>
K2SO4 + Cu(OH)2 = CuSO4 + 2 KOH
NaHCO3 + HC2H3O2 = H2O + CO2 + NaC2H3O2 =>
NaHCO3 + HC2H3O2 = H2O + CO2 + NaC2H3O2
HClO2 + P4O2 = H3PO2 + Cl2O3 =>
12 HClO2 + P4O2 = 4 H3PO2 + 6 Cl2O3
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