| Équations équilibrées la veille |
2 MnO4{-} + 5 C2O4{-2} + 16 H{+} = 10 CO2 + 2 Mn{2} + 8 H2O
Cl2 + KBr = KCl + Br210 =>
105 Cl2 + 210 KBr = 210 KCl + Br210
Na2SiO3 + H2O = NaOH + H2SiO3 =>
Na2SiO3 + 2 H2O = 2 NaOH + H2SiO3
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
C8O3H8 + CH3CO2H = C7O3H6 + CH3OH =>
8 C8O3H8 + 7 CH3CO2H = 10 C7O3H6 + 8 CH3OH
CH2 + Cl2 = ClCH2CH2Cl =>
2 CH2 + Cl2 = ClCH2CH2Cl
HClO4 + H2O = H3O + ClO4 =>
HClO4 + H2O = H3O + ClO4
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
LiBr + Cl2 = LiCl + Br2 =>
2 LiBr + Cl2 = 2 LiCl + Br2
Cu(NO3)2 + Na2O = CuO + NaNO3 =>
Cu(NO3)2 + Na2O = CuO + 2 NaNO3
AgCl + Ni(NO3)2 = AgNO3 + NiCl2 =>
2 AgCl + Ni(NO3)2 = 2 AgNO3 + NiCl2
S + O2 = SO =>
2 S + O2 = 2 SO
Si + B2O3 = B4Si3 + SiO2 =>
6 Si + 2 B2O3 = B4Si3 + 3 SiO2
Na2O + SiO2 = Na4Si + O2 =>
2 Na2O + SiO2 = Na4Si + 2 O2
KHSO4 = K + HSO4 =>
KHSO4 = K + HSO4
CdCl2 + (NH4)2S = CdS + (NH4)Cl =>
CdCl2 + (NH4)2S = CdS + 2(NH4)Cl
C2H2 + O2 = CO20 + H2O =>
2 C2H2 + 41 O2 = 4 CO20 + 2 H2O
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
MgO + NaOH = MgO2 + NaH =>
MgO + NaOH = MgO2 + NaH
CrO2 + H{+} = Cr{3+} + Cr2O7{2-} + H2O =>
6 CrO2 + 10 H{+} = 4 Cr{3+} + Cr2O7{2-} + 5 H2O
Na + H2S = NaHS + H =>
Na + H2S = NaHS + H
Al + TiCl2 = Ti + AlCl3 =>
2 Al + 3 TiCl2 = 3 Ti + 2 AlCl3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
CuO(s) + H2SO4 = CuSO4 + H2O =>
CuO(s) + H2SO4 = CuSO4 + H2O
C6H5NO2 + Zn + HCl = C6H5NH3Cl + ZnCl + H2O =>
C6H5NO2 + 6 Zn + 7 HCl = C6H5NH3Cl + 6 ZnCl + 2 H2O
LiSO4 + Pb(NO3)2 = Pb(SO4)2 + LiNO3 =>
2 LiSO4 + Pb(NO3)2 = Pb(SO4)2 + 2 LiNO3
LiCO3 + H2SO4 = Li2SO4 + HCO3 =>
2 LiCO3 + H2SO4 = Li2SO4 + 2 HCO3
C5H12 + Cl2 = C5Cl + HCl =>
2 C5H12 + 13 Cl2 = 2 C5Cl + 24 HCl
RbI + AgNo3 = RbNo3 + AgI =>
RbI + AgNo3 = RbNo3 + AgI
Cu(s) + H2SO4 = CuSO4 + SO2(g) + H2O =>
Cu(s) + 2 H2SO4 = CuSO4 + SO2(g) + 2 H2O
BaCl2 + Na2CrO4 = BaCrO4 + Na2Cl2 =>
BaCl2 + Na2CrO4 = BaCrO4 + Na2Cl2
Li + KOH = K2Li + K2LiO3 + H2O =>
3 Li + 6 KOH = 2 K2Li + K2LiO3 + 3 H2O
K(IO4) + MnCl2 + H2O + KCl = K(MnO4) + K(IO3) + HCl =>
5 K(IO4) + 2 MnCl2 + 3 H2O + 2 KCl = 2 K(MnO4) + 5 K(IO3) + 6 HCl
Na2B4O7 + SiO2 + Na2CO3 = B2O3*SiO2*Na2O + CO2 =>
Na2B4O7 + 2 SiO2 + Na2CO3 = 2 B2O3*SiO2*Na2O + CO2
Si + B2O3 = B4Si3 + SiO2 =>
6 Si + 2 B2O3 = B4Si3 + 3 SiO2
CoCl2 + Br2 + NaOH = CoO(OH) + NaCl + NaBr + H2O =>
2 CoCl2 + Br2 + 6 NaOH = 2 CoO(OH) + 4 NaCl + 2 NaBr + 2 H2O
Ph2PbCl2 + MeLi = Ph2PbMe2 + LiCl =>
Ph2PbCl2 + 2 MeLi = Ph2PbMe2 + 2 LiCl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Na2O + SiO2 = Na4Si + O2 =>
2 Na2O + SiO2 = Na4Si + 2 O2
Ca(H2PO4)2 + H2CO3 = H3PO4 + CaO + C + O =>
Ca(H2PO4)2 + H2CO3 = 2 H3PO4 + CaO + C + 2 O
Si + Na(OH) = Na(SiO3) + H2 + Na2O =>
2 Si + 10 Na(OH) = 2 Na(SiO3) + 5 H2 + 4 Na2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Al + CuO = Al20O3 + Cu =>
20 Al + 3 CuO = Al20O3 + 3 Cu
CO + H2 = (CH3)(OH) =>
CO + 2 H2 = (CH3)(OH)
CO + H2O + F2 = C2H3F + O2 =>
8 CO + 6 H2O + 2 F2 = 4 C2H3F + 7 O2
KMnO4 + C2H2 + H2O = C2O4H2 + MnO2 + KOH =>
8 KMnO4 + 3 C2H2 + 4 H2O = 3 C2O4H2 + 8 MnO2 + 8 KOH
Cu + H(NO3)2 = Cu(NO3)2 + NO2 + H2O =>
3 Cu + 4 H(NO3)2 = 3 Cu(NO3)2 + 2 NO2 + 2 H2O
HNO3 + CdS = Cd(NO3)2 + NO + H2O + S =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 4 H2O + 3 S
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2 =>
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2
H2(g) + O2(g) = H2O(l) =>
2 H2(g) + O2(g) = 2 H2O(l)
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