| Équations équilibrées la veille |
3 Zn + 2 Au3N = Zn3N2 + 6 Au
CuSO4 + NaHS = CuS + Na2SO4 + H2SO4 =>
2 CuSO4 + 2 NaHS = 2 CuS + Na2SO4 + H2SO4
KNH2 + H2O = KOH + NH3 =>
KNH2 + H2O = KOH + NH3
HNO3 + NaOCl = HOCl + NaNO3 =>
HNO3 + NaOCl = HOCl + NaNO3
CH3CH2CH2CH2CH2OH + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2OH + 15 O2 = 10 CO2 + 12 H2O
KCr2O7 + H2O + S = KOH + Cr2O3 + SO2 =>
4 KCr2O7 + 2 H2O + 7 S = 4 KOH + 4 Cr2O3 + 7 SO2
HCl + Na3PO4 = H + PO4 + NaCl =>
3 HCl + Na3PO4 = 3 H + PO4 + 3 NaCl
C + KClO = KCl + CO2 =>
C + 2 KClO = 2 KCl + CO2
H2CO2MgO = MgCO2H2O =>
H2CO2MgO = MgCO2H2O
C2H3Br + O2 = CO + Br2 + H2O =>
4 C2H3Br + 7 O2 = 8 CO + 2 Br2 + 6 H2O
NH4Fe(SO4)2 + BaCl2 = BaSO4 + FeCl3 + NH4Cl =>
NH4Fe(SO4)2 + 2 BaCl2 = 2 BaSO4 + FeCl3 + NH4Cl
CaC2H2 = C2H2Ca =>
CaC2H2 = C2H2Ca
Pb(OH)2(S) + HCl(aq) = H2O(l) + PbCl2(S) =>
Pb(OH)2(S) + 2 HCl(aq) = 2 H2O(l) + PbCl2(S)
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
(NH4)3H4[P(Mo2O7)6] + NH3 + H2O = H3PO4 + (NH4)2Mo2O7 =>
(NH4)3H4[P(Mo2O7)6] + 9 NH3 + 4 H2O = H3PO4 + 6(NH4)2Mo2O7
Fe2SiO3 + SiO3 = Fe2(SiO3)3 =>
Fe2SiO3 + 2 SiO3 = Fe2(SiO3)3
Li2Br4H4S2O8 = LiSO4H2Br2 =>
Li2Br4H4S2O8 = 2 LiSO4H2Br2
Ca3N2 + Na2CO3 = CaCO3 + Na3N =>
Ca3N2 + 3 Na2CO3 = 3 CaCO3 + 2 Na3N
CuCl2 + (NH4)2SO4 = Cu2(SO4)2 + NH4Cl =>
2 CuCl2 + 2(NH4)2SO4 = Cu2(SO4)2 + 4 NH4Cl
CH3COOH(ac)KOH(ac) = KCH3COO(ac)H2O(ac) =>
CH3COOH(ac)KOH(ac) = KCH3COO(ac)H2O(ac)
Na2WO4 + H2SO4 = Na2SO4 + WO2SO4 + H2O =>
Na2WO4 + 2 H2SO4 = Na2SO4 + WO2SO4 + 2 H2O
NaBr + Mn02 + H2SO4 = Na2SO4 + MnSO2 + Br3 + H2O =>
12 NaBr + 3 Mn02 + 12 H2SO4 = 6 Na2SO4 + 6 MnSO2 + 4 Br3 + 12 H2O
NaHSO3 = SO2 + Na2SO3 + H2O =>
2 NaHSO3 = SO2 + Na2SO3 + H2O
KBr + Hg3N2 = HgBr2 + K3N =>
6 KBr + Hg3N2 = 3 HgBr2 + 2 K3N
Sn(OH)2 + OH{-} = [Sn(OH)4]{-2} =>
Sn(OH)2 + 2 OH{-} = [Sn(OH)4]{-2}
AgNO3 + NO2CO3 = AgCO3 + NO3(NO2) =>
AgNO3 + NO2CO3 = AgCO3 + NO3(NO2)
LiHSiO3HCl = LiClH2SiO3 =>
LiHSiO3HCl = LiClH2SiO3
H3PO4 + CaF2 = HF + Ca3(PO4)2 =>
2 H3PO4 + 3 CaF2 = 6 HF + Ca3(PO4)2
Al(OH)3 + H2 + CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2 + 3 CO3 = Al2(CO3)3 + 6 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
FeCuOH = CuFeOH =>
FeCuOH = CuFeOH
Br2 + CrSO4 + KOH = K2CrO4 + KBr + H2O + K2SO4 =>
2 Br2 + CrSO4 + 8 KOH = K2CrO4 + 4 KBr + 4 H2O + K2SO4
S8 + H2SO4 = SO2 + H2S2O3 =>
3 S8 + 16 H2SO4 = 8 SO2 + 16 H2S2O3
NaNO2 + KI + CH3COOH = I2 + NO + CH3COONa + CH3COOK + H2O =>
2 NaNO2 + 2 KI + 4 CH3COOH = I2 + 2 NO + 2 CH3COONa + 2 CH3COOK + 2 H2O
HNO3 = H2O + NO3 + NO =>
4 HNO3 = 2 H2O + 3 NO3 + NO
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3COOH + H2O =>
2 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 2 CH3CH3COOH + 5 H2O
Na2Cr2O7 + LiOH = Na2CrO4 + Li2CrO4 + H2O =>
Na2Cr2O7 + 2 LiOH = Na2CrO4 + Li2CrO4 + H2O
Na2S + Cd(No3)2 = CdS + NaNo3 =>
Na2S + Cd(No3)2 = CdS + 2 NaNo3
NH4F + H2O = NH3F + H3O =>
NH4F + H2O = NH3F + H3O
Na + ZnSO4 = NaZnSO4 =>
Na + ZnSO4 = NaZnSO4
Fe(s) + F2(g) = Fe2F3(s) =>
4 Fe(s) + 3 F2(g) = 2 Fe2F3(s)
(NH4)2Cr2O7 + O2 = CrO3 + N2 + H2O =>
2(NH4)2Cr2O7 + 3 O2 = 4 CrO3 + 2 N2 + 8 H2O
Na + H{-} = Na{-} + H2 =>
2 Na + 2 H{-} = 2 Na{-} + H2
Al(OH)3 + NaOH(aq) = NaAlO2(aq) + H2O(l) =>
Al(OH)3 + NaOH(aq) = NaAlO2(aq) + 2 H2O(l)
Cu + Br2 = BrCu2 =>
4 Cu + Br2 = 2 BrCu2
Pb(NO3)2 + BaCrO4 = PbCrO4 + Ba(NO3)2 =>
Pb(NO3)2 + BaCrO4 = PbCrO4 + Ba(NO3)2
CH3COCH3 + I2 + NaOH = HCOONa + NaI + H2O =>
CH3COCH3 + 5 I2 + 13 NaOH = 3 HCOONa + 10 NaI + 8 H2O
Ca(s) + Ag2O(s) = CaO(s) + Ag(s) =>
Ca(s) + Ag2O(s) = CaO(s) + 2 Ag(s)
Ni(SO4) + NaOH = Ni(OH)2 + Na2(SO4) =>
Ni(SO4) + 2 NaOH = Ni(OH)2 + Na2(SO4)
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