| Équations équilibrées la veille |
2 KMnO4 + 18 FeSO4 + 12 H2SO4 = 9 Fe2(SO4)3 + 12 H2O + K2SO4 + 2 MnSO2
CO2 + H2O = C2H5OH + O5 =>
10 CO2 + 15 H2O = 5 C2H5OH + 6 O5
CH3OH + COCl2 = HCl + C3O3H6 =>
2 CH3OH + COCl2 = 2 HCl + C3O3H6
Pb(CH3COO)2 + KOH = Pb(OH) + K(CH3COO)2 =>
Pb(CH3COO)2 + KOH = Pb(OH) + K(CH3COO)2
CrCl3(aq) + Na3Po4(aq) = CrPo4(s) + Na3Cl3(aq) =>
CrCl3(aq) + Na3Po4(aq) = CrPo4(s) + Na3Cl3(aq)
C6H12O6(s) + KClO3(s) = KCl(s) + H2O(g) + CO2(g) =>
C6H12O6(s) + 4 KClO3(s) = 4 KCl(s) + 6 H2O(g) + 6 CO2(g)
FeCl3(H12O6) + K2C2O4(H2O) = K3(Fe(C2O4)3(H2O)2) + KCl + H2O =>
FeCl3(H12O6) + 3 K2C2O4(H2O) = K3(Fe(C2O4)3(H2O)2) + 3 KCl + 7 H2O
CrCl3 + KOH = KCr(OH)4 + KCl =>
CrCl3 + 4 KOH = KCr(OH)4 + 3 KCl
Na2SO3 + SnCl2 + HCl = NaCl + SnCl4 + S + H2O =>
Na2SO3 + 2 SnCl2 + 6 HCl = 2 NaCl + 2 SnCl4 + S + 3 H2O
Sn2{+} + Cl{-} + As3{+} = As + SnCl2 =>
Sn2{+} + 4 Cl{-} + 3 As3{+} = 9 As + 2 SnCl2
Zn2(PO4)2 + Na3PO4 = (Zn2)3PO4 + NaPO4 =>
6 Zn2(PO4)2 + 5 Na3PO4 = 2(Zn2)3PO4 + 15 NaPO4
O3 + PbS = PbSO3 =>
O3 + PbS = PbSO3
Fe203 = Fe =>
Fe203 = 203 Fe
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Li3PO4 + Hg(NO3)2 = LiNO3 + Hg3(PO4)2 =>
2 Li3PO4 + 3 Hg(NO3)2 = 6 LiNO3 + Hg3(PO4)2
NH3(g) + H2SO4(s) = (NH4)2SO4(s) =>
2 NH3(g) + H2SO4(s) = (NH4)2SO4(s)
FeCr04 + NaCO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr04 + 32 NaCO3 + 19 O2 = 16 Na2CrO4 + 2 Fe2O3 + 32 CO2
CI3COH + NaOH = HCOONa + CHI3 =>
CI3COH + NaOH = HCOONa + CHI3
MgF{+} + F2 + e = MgF2 =>
2 MgF{+} + F2 + 2e = 2 MgF2
HgCl2 + LiI = HgI2 + LiCl =>
HgCl2 + 2 LiI = HgI2 + 2 LiCl
C6H5OCl + NO3{-} + H{+} = N2 + Cl{-} + CO2 + H2O =>
5 C6H5OCl + 26 NO3{-} + 21 H{+} = 13 N2 + 5 Cl{-} + 30 CO2 + 23 H2O
MgSO4 + Pb = PbSO4 + Mg =>
MgSO4 + Pb = PbSO4 + Mg
Si + SiO2 + LiCO3 = Li2Si2O5 + CO2 =>
Si + 3 SiO2 + 4 LiCO3 = 2 Li2Si2O5 + 4 CO2
Na2SO4 + Cl2Ba = BaSO4 + NaCl =>
Na2SO4 + Cl2Ba = BaSO4 + 2 NaCl
C + S(g) = CS2 =>
C + 2 S(g) = CS2
Li2SO4(aq) + Pb(NO3)2 = Li2(NO3)2 + PbSO4 =>
Li2SO4(aq) + Pb(NO3)2 = Li2(NO3)2 + PbSO4
NaHCO3 + C6H8O7 = NaCH3COO + H2O + CO2 =>
9 NaHCO3 + 4 C6H8O7 = 9 NaCH3COO + 7 H2O + 15 CO2
H6SeO6 + Ag = Ag6SeO6 + H2 =>
H6SeO6 + 6 Ag = Ag6SeO6 + 3 H2
Ca(OH)2 + HFO3 = Ca(FO3)2 + H2O =>
Ca(OH)2 + 2 HFO3 = Ca(FO3)2 + 2 H2O
CH3(CH2)6CH33 + O2 = CO2 + H2O =>
CH3(CH2)6CH33 + 20 O2 = 8 CO2 + 24 H2O
NaC1(ac) + AgNO3(ac) = NaNO3(ac) + AgC1(s) =>
NaC1(ac) + AgNO3(ac) = NaNO3(ac) + AgC1(s)
KMnO4 + H2SO4 + KBr = MnSO4 + K2SO4 + Br2 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KBr = 2 MnSO4 + 6 K2SO4 + 5 Br2 + 8 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
MgCl2*6H2O + Na2CO3 = Mg(OH)2*MgCO3 + NaCl + H2O + CO2 =>
2 MgCl2*6H2O + 2 Na2CO3 = Mg(OH)2*MgCO3 + 4 NaCl + 11 H2O + CO2
HClO4 + Na2O = NaClO4 + H2O =>
2 HClO4 + Na2O = 2 NaClO4 + H2O
(NH4)2SO4 + H2O = NH4 + H2SO4 + O2 =>
2(NH4)2SO4 + 2 H2O = 4 NH4 + 2 H2SO4 + O2
Ar + O = ArO2 =>
Ar + 2 O = ArO2
Na + B + H2 = NaBH4 =>
Na + B + 2 H2 = NaBH4
Na2S + K2CrO4 = Na2CrO4 + K2S =>
Na2S + K2CrO4 = Na2CrO4 + K2S
ZnBr2 + (NH4)2SO4 = ZnSO4 + NH4Br =>
ZnBr2 + (NH4)2SO4 = ZnSO4 + 2 NH4Br
H2S + Ag2O = Ag + S + H2O =>
H2S + Ag2O = 2 Ag + S + H2O
Ar + O = Ar2O3 =>
2 Ar + 3 O = Ar2O3
AgNO3(aq) + Sn(s) = Sn(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Sn(s) = Sn(NO3)2(aq) + 2 Ag(s)
Cl2 + Si = Cl4Si =>
2 Cl2 + Si = Cl4Si
Sn(C2H3O2)2 + (NH4)Cl = SnCl2 + (NH4)(C2H3O2) =>
Sn(C2H3O2)2 + 2(NH4)Cl = SnCl2 + 2(NH4)(C2H3O2)
CdS + HCl = CdCl2 + H2S =>
CdS + 2 HCl = CdCl2 + H2S
Na(HCO3)(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l) =>
Na(HCO3)(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l)
C2H5COOH + Mg = (C2H5COO)Mg + H2 =>
2 C2H5COOH + 2 Mg = 2(C2H5COO)Mg + H2
Rb2S + BeBr2 = RbBr + BeS =>
Rb2S + BeBr2 = 2 RbBr + BeS
KIO3 + KI + CH3CO2H = CH3CO2K + H2O + I2 =>
KIO3 + 5 KI + 6 CH3CO2H = 6 CH3CO2K + 3 H2O + 3 I2
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