| Équations équilibrées la veille |
CH3CH2OH + CH3COOH = CH3COOC2H5 + H2O
SIH4 + F2 = SIF4 + HF =>
SIH4 + 4 F2 = SIF4 + 4 HF
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NaI + CaSO4 = CaI2 + Na2SO4 =>
2 NaI + CaSO4 = CaI2 + Na2SO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
(Al(OH)2)2SO4 + Al(HSO4)3 = Al2(SO4)3 + H2O =>
3(Al(OH)2)2SO4 + 4 Al(HSO4)3 = 5 Al2(SO4)3 + 12 H2O
C8H9NO2 + NaOH = C6H7NO + C2H3NaO2 =>
C8H9NO2 + NaOH = C6H7NO + C2H3NaO2
C5H5N + HNO3 = C5H6N + NO3 =>
C5H5N + HNO3 = C5H6N + NO3
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K + OH + CO3 = KOHCO3 =>
K + OH + CO3 = KOHCO3
Al2(SO4)3 + NaH(CO3) = Al(OH)3 + CO2 + Na2(SO4) =>
Al2(SO4)3 + 6 NaH(CO3) = 2 Al(OH)3 + 6 CO2 + 3 Na2(SO4)
SeO3 + H3PO4 = H2SeO4 + P4O10 =>
6 SeO3 + 4 H3PO4 = 6 H2SeO4 + P4O10
C2O2H + NaHCO3 = C2O2Na + H2O + CO2 =>
C2O2H + NaHCO3 = C2O2Na + H2O + CO2
Ni + H2O + O2 = Ni(OH)2 =>
2 Ni + 2 H2O + O2 = 2 Ni(OH)2
Al2O3 + Cl2 = Al2O3Cl =>
2 Al2O3 + Cl2 = 2 Al2O3Cl
K2CrO4 + NaC2H3O2 = KC2H3O2 + Na2CrO4 =>
K2CrO4 + 2 NaC2H3O2 = 2 KC2H3O2 + Na2CrO4
C5H11NO2S + O2 = H2O + CO2 + N2 + SO2 =>
4 C5H11NO2S + 31 O2 = 22 H2O + 20 CO2 + 2 N2 + 4 SO2
NH4Br + Pb(C2H3O2)2 = PbBr2 + NH4CH3CO2 =>
2 NH4Br + Pb(C2H3O2)2 = PbBr2 + 2 NH4CH3CO2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
K3PO4 + MgCl2 = Mg3PO4 + K + Cl =>
K3PO4 + 3 MgCl2 = Mg3PO4 + 3 K + 6 Cl
B2H6 + C2H2 = B + C2H4 =>
B2H6 + 3 C2H2 = 2 B + 3 C2H4
Zn + S2 = ZnS4 =>
Zn + 2 S2 = ZnS4
Mg3Bi2 + H2O = BiH3 + Mg(OH)2 =>
Mg3Bi2 + 6 H2O = 2 BiH3 + 3 Mg(OH)2
Ca(H2PO4)2 + HCl = H3PO4 + CaCl2 =>
Ca(H2PO4)2 + 2 HCl = 2 H3PO4 + CaCl2
SO3 + CD(OH)2 = CDSO4 + H2O =>
SO3 + CD(OH)2 = CDSO4 + H2O
KOH + J2 = KJ + KJO3 + H2O =>
6 KOH + 3 J2 = 5 KJ + KJO3 + 3 H2O
HClO7 + HCl = Cl2 + H2O =>
HClO7 + 13 HCl = 7 Cl2 + 7 H2O
Ca + C + O2 = CaCO3(s) =>
2 Ca + 2 C + 3 O2 = 2 CaCO3(s)
HNO2 + S = H2SO4 + NO + H2O =>
6 HNO2 + S = H2SO4 + 6 NO + 2 H2O
Os(s) + F2(g) = OsF6(s) =>
Os(s) + 3 F2(g) = OsF6(s)
PBSO4(s) + HNO3(aq) = PB(NO3)2(aq) + H2SO4(aq) =>
PBSO4(s) + 2 HNO3(aq) = PB(NO3)2(aq) + H2SO4(aq)
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
H2SO4(aq) + Sr(OH)2(aq) = H2O + SrSO4(aq) =>
H2SO4(aq) + Sr(OH)2(aq) = 2 H2O + SrSO4(aq)
MgCO3 + HCl = MgCl2(aq) + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2(aq) + H2O + CO2
CH3Cl + MnO4{-} + H{+} = CO2 + MnO2 + H2O + Cl{-} =>
CH3Cl + 2 MnO4{-} + H{+} = CO2 + 2 MnO2 + 2 H2O + Cl{-}
PH4 + O2 = P4O10 + H2O =>
4 PH4 + 9 O2 = P4O10 + 8 H2O
Cr2O3 + C = Cr5C2 + CO =>
5 Cr2O3 + 19 C = 2 Cr5C2 + 15 CO
H2O + As4O6 + I3{-} = As4O10 + I{-} + H{+} =>
4 H2O + As4O6 + 4 I3{-} = As4O10 + 12 I{-} + 8 H{+}
H2O + CO2 = C2H2 + O2 =>
2 H2O + 4 CO2 = 2 C2H2 + 5 O2
K2CO3(aq) + HBr(aq) = KBr + H2CO3 =>
K2CO3(aq) + 2 HBr(aq) = 2 KBr + H2CO3
C2H2 + NO2 = CO2 + H2O + N2 =>
4 C2H2 + 10 NO2 = 8 CO2 + 4 H2O + 5 N2
Mg3(PO4)2 + PbSO4 = Pb3(PO4)2 + MgSO4 =>
Mg3(PO4)2 + 3 PbSO4 = Pb3(PO4)2 + 3 MgSO4
PtBr4 + Al = AlBr3 + Pt =>
3 PtBr4 + 4 Al = 4 AlBr3 + 3 Pt
NO2 + NH2 = HNO3 + NO =>
5 NO2 + NH2 = 2 HNO3 + 4 NO
HCrO4{-} = Cr2O7{2-} + H2O =>
2 HCrO4{-} = Cr2O7{2-} + H2O
NaMnO4 + HCl + H2S = NaCl + MnCl2 + S + H2O =>
2 NaMnO4 + 6 HCl + 5 H2S = 2 NaCl + 2 MnCl2 + 5 S + 8 H2O
CrO2 + HNO3 = Cr(NO3)4 + H2O =>
CrO2 + 4 HNO3 = Cr(NO3)4 + 2 H2O
Cs(s) + S8(s) = Cs2S(s) =>
16 Cs(s) + S8(s) = 8 Cs2S(s)
KH2PO4 + Ba(OH)2 = K2HPO4 + BaHPO4 + H2O =>
2 KH2PO4 + Ba(OH)2 = K2HPO4 + BaHPO4 + 2 H2O
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