| Équations équilibrées la veille |
2 PB(CH3COO)2 + 10 KNO3 + 7 H2O = B2O3 + 4 CH3COOH + 10 KOH + 10 NO2 + 2 PO2
C30H62 + O2 = CO2 + H2O =>
2 C30H62 + 91 O2 = 60 CO2 + 62 H2O
Pb(NO3)2(aq) + Na3(PO4)(aq) = Pb3(PO4)2(s) + Na(NO3)(aq) =>
3 Pb(NO3)2(aq) + 2 Na3(PO4)(aq) = Pb3(PO4)2(s) + 6 Na(NO3)(aq)
CuCl + K2Cr2O7 + HCl = CuCl2 + CrCl3 + H2O + KCl =>
6 CuCl + K2Cr2O7 + 14 HCl = 6 CuCl2 + 2 CrCl3 + 7 H2O + 2 KCl
Sb2O3 + O2 = Sb2O4 =>
2 Sb2O3 + O2 = 2 Sb2O4
SO6 + H2O = H2SO4 + O2 =>
2 SO6 + 2 H2O = 2 H2SO4 + 3 O2
Pb + H = PbH =>
Pb + H = PbH
C2H5Cl + Al = (C2H5)3Al2Cl3 =>
3 C2H5Cl + 2 Al = (C2H5)3Al2Cl3
Si + Br2 = SiBr4 =>
Si + 2 Br2 = SiBr4
Cr2O7{2-} + CH3OH + H{+} = HCO2H + Cr{3+} + H2O(l) =>
2 Cr2O7{2-} + 3 CH3OH + 16 H{+} = 3 HCO2H + 4 Cr{3+} + 11 H2O(l)
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
KI + ClH2O = ClI + KH2O =>
KI + ClH2O = ClI + KH2O
H2SO4 + BaBr2 = H2Br2 + BaSO4 =>
H2SO4 + BaBr2 = H2Br2 + BaSO4
Cu + CH3COO = Cu(CH3COO)2 =>
Cu + 2 CH3COO = Cu(CH3COO)2
WO2 + H2SO4 = W2SO4 + H2O + O2 =>
4 WO2 + 2 H2SO4 = 2 W2SO4 + 2 H2O + 3 O2
SiC + O2 = SiO2 + CO2 =>
SiC + 2 O2 = SiO2 + CO2
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
FeI3 + H2SO4 = Fe2(SO4)3 + SO2 + I2 + H2O =>
2 FeI3 + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 3 I2 + 6 H2O
I3{-} + OH{-} = IO3{-} + I{-} + H2O =>
3 I3{-} + 6 OH{-} = IO3{-} + 8 I{-} + 3 H2O
NaF + KHSO4 = NaHSO4 + KF =>
NaF + KHSO4 = NaHSO4 + KF
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CH3COOH + CH3CH(OH)CH3 = CH3COOCH2CH3 + H2O =>
3 CH3COOH + 2 CH3CH(OH)CH3 = 3 CH3COOCH2CH3 + 2 H2O
PO4 + AgNO3 = Ag3PO4 + NO3 =>
PO4 + 3 AgNO3 = Ag3PO4 + 3 NO3
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
K2Cr2O7 + H2SO4 + C2H5OH = CH3COOH + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 3 CH3COOH + 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4
Ca(OH)2000 + HCl = CaCl2000 + H2O =>
Ca(OH)2000 + 2000 HCl = CaCl2000 + 2000 H2O
P4 + H{+} + NO3{-} = H3PO4 + NO2 + H2O =>
P4 + 20 H{+} + 20 NO3{-} = 4 H3PO4 + 20 NO2 + 4 H2O
C8H18(l) + O2(g) = CO2(g) + HOH(g) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 HOH(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Be2 + O4 = Be2O3 =>
4 Be2 + 3 O4 = 4 Be2O3
CS2 + NO = CO + S + N2 =>
2 CS2 + 2 NO = 2 CO + 4 S + N2
Bi2S3 = Bi{3+} + S{2-} =>
Bi2S3 = 2 Bi{3+} + 3 S{2-}
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
FeSO4 + HgNO3 = Hg2SO4 + Fe(NO3)2 =>
FeSO4 + 2 HgNO3 = Hg2SO4 + Fe(NO3)2
Fe{+3} + SCN{-} = Fe(SCN){+2} =>
Fe{+3} + SCN{-} = Fe(SCN){+2}
Li + D2O = LiOD + D2 =>
2 Li + 2 D2O = 2 LiOD + D2
KCl + AgNo2 = KNo2 + AgCl =>
KCl + AgNo2 = KNo2 + AgCl
C6H12O6 = C(s) + H2O =>
C6H12O6 = 6 C(s) + 6 H2O
NaOH + HCI = H2O + NaCI =>
NaOH + HCI = H2O + NaCI
Na2S4O6 + K2Cr2O7 + HNO3 = Na2SO4 + H2SO4 + KNO3 + Cr(NO3)3 + H2O =>
3 Na2S4O6 + 7 K2Cr2O7 + 56 HNO3 = 3 Na2SO4 + 9 H2SO4 + 14 KNO3 + 14 Cr(NO3)3 + 19 H2O
S + HNO3 = H2O + H2SO4 + NO2 =>
S + 6 HNO3 = 2 H2O + H2SO4 + 6 NO2
K2S2O8 + AgNO3 = KNO3 + Ag2S2O8 =>
K2S2O8 + 2 AgNO3 = 2 KNO3 + Ag2S2O8
C2H5OH + NaHCO3 = C2H3NaO2 + CO2 + H2O =>
2 C2H5OH + 3 NaHCO3 = 3 C2H3NaO2 + CO2 + 3 H2O
SrSO4(s) = Sr + SO4 =>
SrSO4(s) = Sr + SO4
NaOH + HCI = H2O + NaCI =>
NaOH + HCI = H2O + NaCI
Fe2O3 + HI = FeI2 + I2 + H2O =>
Fe2O3 + 6 HI = 2 FeI2 + I2 + 3 H2O
HCl + Al(OH)3 + H2O = (Al(H2O)6)Cl3 =>
3 HCl + Al(OH)3 + 3 H2O = (Al(H2O)6)Cl3
MnO4 = MnO + O2 =>
2 MnO4 = 2 MnO + 3 O2
BaBr2 + H2O = Br2 + H2 + Ba(OH)2 =>
BaBr2 + 2 H2O = Br2 + H2 + Ba(OH)2
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
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