| Équations équilibrées la veille |
2 Pb(NO3)2 + K4Fe(CN)6 = Pb2(Fe(CN)6) + 4 KNO3
CuSO4 + NaNO3 = Cu(NO3)2 + Na2SO4 =>
CuSO4 + 2 NaNO3 = Cu(NO3)2 + Na2SO4
Hg2(NO3)2(aq) + NaCl(aq) = Hg2Cl2 + NaNO3 =>
Hg2(NO3)2(aq) + 2 NaCl(aq) = Hg2Cl2 + 2 NaNO3
Fe + NH4Cl = FeCl2 + NH4 =>
Fe + 2 NH4Cl = FeCl2 + 2 NH4
KO2(s) + CO2(g) = K2CO3(s) + O2(g) =>
4 KO2(s) + 2 CO2(g) = 2 K2CO3(s) + 3 O2(g)
Rb + N2 = Rb2N =>
4 Rb + N2 = 2 Rb2N
Fe + Cu2SO4 = FeSO4 + Cu2 =>
Fe + Cu2SO4 = FeSO4 + Cu2
Sn + Fe = SnFe =>
Sn + Fe = SnFe
Sr(NO3)2 = SrO + NO2 + O2 =>
2 Sr(NO3)2 = 2 SrO + 4 NO2 + O2
Fe + CO2 + H2O = FeCO3 + H =>
Fe + CO2 + H2O = FeCO3 + 2 H
C6H12O + O2 = CO2 + H2O =>
2 C6H12O + 17 O2 = 12 CO2 + 12 H2O
Ga + Br = GaBr =>
Ga + Br = GaBr
FeBr3 + Cl2 = FeCl3 + Br2 =>
2 FeBr3 + 3 Cl2 = 2 FeCl3 + 3 Br2
C2H4(g) + O2(g) = C(s) + H2O(g) =>
C2H4(g) + O2(g) = 2 C(s) + 2 H2O(g)
HBr + Cl = HCl + Br =>
HBr + Cl = HCl + Br
CH3COOH + MgCO3 = H2O + CO2 + Mg(CH3)2 =>
2 CH3COOH + MgCO3 = H2O + 3 CO2 + Mg(CH3)2
SnS2 + (NH4)2S2 = (NH4)2SnS4 =>
SnS2 + (NH4)2S2 = (NH4)2SnS4
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
KMnO4 + H2SO4 + FeSO2 = KSO4 + Fe2(SO4)3 + MnSO4 + H2O =>
5 KMnO4 + 12 H2SO4 + 4 FeSO2 = 5 KSO4 + 2 Fe2(SO4)3 + 5 MnSO4 + 12 H2O
HCOOH + H{+} + Cr2O7{-2} = CO2 + H2O + Cr{+3} =>
3 HCOOH + 8 H{+} + Cr2O7{-2} = 3 CO2 + 7 H2O + 2 Cr{+3}
CH3CH2OH(l) + O2(g) = CO2(g) + H2O(l) =>
CH3CH2OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Fe2(CO3)3 + HCl = FeCl3 + H2OCO2 =>
Fe2(CO3)3 + 6 HCl = 2 FeCl3 + 3 H2OCO2
Cu + PbSO4 = Cu2SO4 + Pb =>
2 Cu + PbSO4 = Cu2SO4 + Pb
CaCO3 + H2O2 = CaO28H2O + CO2 + H2O =>
CaCO3 + 27 H2O2 = CaO28H2O + CO2 + 26 H2O
C7H12 + Br2 = C7H12Br4 =>
C7H12 + 2 Br2 = C7H12Br4
AgCl(s) + NH3(aq) = [Ag(NH3)2] + Cl(aq) =>
AgCl(s) + 2 NH3(aq) = [Ag(NH3)2] + Cl(aq)
HCCH + O = CO + H2O =>
HCCH + 3 O = 2 CO + H2O
Br2 + Na2S2O3 + H2O = NaBr + HBr + H2SO4 =>
4 Br2 + Na2S2O3 + 5 H2O = 2 NaBr + 6 HBr + 2 H2SO4
CH3CH2CCH(g) + Br2(l) = CH3CH2CBr2CHBr2(l) =>
CH3CH2CCH(g) + 2 Br2(l) = CH3CH2CBr2CHBr2(l)
Ba(OH)2 + Na2HPO4 = Ba3(PO4)2 + Na3PO4 + H2O =>
3 Ba(OH)2 + 6 Na2HPO4 = Ba3(PO4)2 + 4 Na3PO4 + 6 H2O
Na2S(aq) + H2O(l) = NaOH(aq) + H2S(g) =>
Na2S(aq) + 2 H2O(l) = 2 NaOH(aq) + H2S(g)
Ca + HClO4 = CaClO4 + H =>
Ca + HClO4 = CaClO4 + H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C4H8 = C8H16 =>
2 C4H8 = C8H16
Cu(NO3)2(aq) + Na2CO3(aq) + H2O = CuCO3*Cu(OH)2(s) + NaNO3(aq) + CO2(g) =>
2 Cu(NO3)2(aq) + 2 Na2CO3(aq) + H2O = CuCO3*Cu(OH)2(s) + 4 NaNO3(aq) + CO2(g)
Li2CO3 + HI = LiI + CO2 + H2O =>
Li2CO3 + 2 HI = 2 LiI + CO2 + H2O
CuSO4 + H2CO3 = CuCO3 + H2SO4 =>
CuSO4 + H2CO3 = CuCO3 + H2SO4
Mg + HF = MgF2 + H2 =>
Mg + 2 HF = MgF2 + H2
C4H8 = C8H16 =>
2 C4H8 = C8H16
HBrO + NH3 = NH4BrO =>
HBrO + NH3 = NH4BrO
CH2 + H2O = CH3CH2OH =>
2 CH2 + H2O = CH3CH2OH
BaCO3 + H3PO4 = Ba3(PO4)2 + H2CO3 =>
3 BaCO3 + 2 H3PO4 = Ba3(PO4)2 + 3 H2CO3
I2 + CI2 = ICI5 =>
2 I2 + CI2 = ICI5
NH3 + SO2 = NO + S + H2O =>
4 NH3 + 5 SO2 = 4 NO + 5 S + 6 H2O
HF + SbF5 = H2SbF7 =>
2 HF + SbF5 = H2SbF7
Cu(NO3)2*3H2O + C6H8O7 = Cu + CO2 + H2O + N2 =>
3 Cu(NO3)2*3H2O + 2 C6H8O7 = 3 Cu + 12 CO2 + 17 H2O + 3 N2
FeCl3 + NH4SCN = FeSCN + NH4Cl3 =>
FeCl3 + NH4SCN = FeSCN + NH4Cl3
H2SO4 + H2 = H2S + H2O =>
H2SO4 + 4 H2 = H2S + 4 H2O
OH{-} + ClO4{-} + N2O = ClO3{-} + NO2{-} + H2O =>
2 OH{-} + 2 ClO4{-} + N2O = 2 ClO3{-} + 2 NO2{-} + H2O
CH3(CH2)4OH + CH3CH2CH2COOH = CH3COO(CH2)4CH3 + H2O =>
3 CH3(CH2)4OH + 5 CH3CH2CH2COOH = 5 CH3COO(CH2)4CH3 + 3 H2O
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