| Équations équilibrées la veille |
2 CaCl2 + 2 Al = Ca2 + 2 AlCl2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
AgCl + Al2O3 = Ag2O + AlCl3 =>
6 AgCl + Al2O3 = 3 Ag2O + 2 AlCl3
HCl + NH5O = NH4Cl + HOH =>
HCl + NH5O = NH4Cl + HOH
HF + HOC6H5 = OC6H5 + H2F =>
HF + HOC6H5 = OC6H5 + H2F
HClO4 + K2Cr2O7 + HI = KClO3 + Cr(ClO4) + I2 + H2O =>
4 HClO4 + K2Cr2O7 + 14 HI = 2 KClO3 + 2 Cr(ClO4) + 7 I2 + 9 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaCl + CuSO4*5H2O = CuCl4 + Na + SO4 + H2O =>
4 NaCl + CuSO4*5H2O = CuCl4 + 4 Na + SO4 + 5 H2O
CH169N25O55 + O200 = CO200 + H200O + N200 =>
40000 CH169N25O55 + 29169 O200 = 40000 CO200 + 33800 H200O + 5000 N200
NaOH + S + Na2S2O5 = Na2S2O3 + H2O =>
2 NaOH + 2 S + Na2S2O5 = 2 Na2S2O3 + H2O
Mg + C + O2 = MgCO3 =>
2 Mg + 2 C + 3 O2 = 2 MgCO3
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
CH4 + CO + H = C2H6O =>
CH4 + CO + 2 H = C2H6O
PH3 + HMnO3 = MnO2 + H2O + H3PO4 =>
PH3 + 8 HMnO3 = 8 MnO2 + 4 H2O + H3PO4
NaOCl + H2O2 = NaClO3 + H2O =>
NaOCl + 2 H2O2 = NaClO3 + 2 H2O
CO + Fe2O = COFe2O =>
CO + Fe2O = COFe2O
AlCl3 + NaNO3 = NaCl3 + AlNO3 =>
AlCl3 + NaNO3 = NaCl3 + AlNO3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K + HNO3 = K(NO3)2 + N2O + H2O =>
4 K + 10 HNO3 = 4 K(NO3)2 + N2O + 5 H2O
Cu(s) + Ag(aq) = CuAg2(aq) =>
Cu(s) + 2 Ag(aq) = CuAg2(aq)
Ca(NO3)2 + Na2SO4 = Ca(SO4) + Na(NO3) =>
Ca(NO3)2 + Na2SO4 = Ca(SO4) + 2 Na(NO3)
NHO3 + NH3 = NH4 + NO3 =>
NHO3 + NH3 = NH4 + NO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca(OH)2 + C4H6O5 = H2O + CaC4H4 + O5 =>
Ca(OH)2 + C4H6O5 = 2 H2O + CaC4H4 + O5
CuSO4 + Mg(OH)2 = Cu(OH)2 + MgSO4 =>
CuSO4 + Mg(OH)2 = Cu(OH)2 + MgSO4
NH4Cl(aq) + CoSO4(aq) = (NH4)2SO4(s) + CoCl2(aq) =>
2 NH4Cl(aq) + CoSO4(aq) = (NH4)2SO4(s) + CoCl2(aq)
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
Li20 + F23 = LiF =>
23 Li20 + 20 F23 = 460 LiF
Cu + Fe2O3 = CuO3 + Fe =>
Cu + Fe2O3 = CuO3 + 2 Fe
C6H13NO2 + HClO4 = C6H14O2 + NClO4 =>
C6H13NO2 + HClO4 = C6H14O2 + NClO4
Pb(C2H3O2)2 + MnI2 = PbI2 + Mn(CH3CO2)2 =>
Pb(C2H3O2)2 + MnI2 = PbI2 + Mn(CH3CO2)2
CH10H22 + O2 = C + H2O =>
CH10H22 + 8 O2 = C + 16 H2O
Be2S + Ca = Be + CaS =>
Be2S + Ca = 2 Be + CaS
C6H8O6 + MgCO3 = C6H7MgO6 + CO2 + H2O =>
21 C6H8O6 + 20 MgCO3 = 20 C6H7MgO6 + 26 CO2 + 14 H2O
P2O5 + BaO = Ba3O8P2 =>
P2O5 + 3 BaO = Ba3O8P2
Zn2(s) + HCl(aq) = ZnCl2(aq) + H(g) =>
Zn2(s) + 4 HCl(aq) = 2 ZnCl2(aq) + 4 H(g)
Na2B4O7 + Mg = B + MgO + Na2O =>
Na2B4O7 + 6 Mg = 4 B + 6 MgO + Na2O
KBr(aq) + Pb(NO3)(aq) = K(NO3)(aq) + PbBr(s) =>
KBr(aq) + Pb(NO3)(aq) = K(NO3)(aq) + PbBr(s)
Mo + Os7 + O23 + Og = Mo2Os9O3Og =>
322 Mo + 207 Os7 + 21 O23 + 161 Og = 161 Mo2Os9O3Og
Ni(OH)2 + MgCl2 = NiCl2 + Mg(OH)2 =>
Ni(OH)2 + MgCl2 = NiCl2 + Mg(OH)2
Au + Fe2 = AuFe2 =>
Au + Fe2 = AuFe2
Fe2O3 + NH3 = Fe + NO + H2O =>
5 Fe2O3 + 6 NH3 = 10 Fe + 6 NO + 9 H2O
I{-} + H{+} + SO4{-2} = I2 + SO2 + H2O =>
2 I{-} + 4 H{+} + SO4{-2} = I2 + SO2 + 2 H2O
FeCr2O4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O4 + 8 Na2CO3 + 7 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Ti(s) + O2(g) = Ti2O3 =>
4 Ti(s) + 3 O2(g) = 2 Ti2O3
HC2H3O2(aq) + LiHSO3(aq) = H2O(l) + SO2(g) + LiC2H3O2(s) =>
HC2H3O2(aq) + LiHSO3(aq) = H2O(l) + SO2(g) + LiC2H3O2(s)
K2S2O8 = K{+} + S2O8{2-} =>
K2S2O8 = 2 K{+} + S2O8{2-}
Sb2S3 + HNO3 + H2O = H3SbO4 + NH2OH + H2SO4 =>
3 Sb2S3 + 14 HNO3 + 32 H2O = 6 H3SbO4 + 14 NH2OH + 9 H2SO4
Hg + H3PO4 = Hg3PO4 + H2 =>
6 Hg + 2 H3PO4 = 2 Hg3PO4 + 3 H2
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