| Équations équilibrées la veille |
2 K2(SO4) + 2 BaCl2 = 4 KCl + Ba2(SO4)2
Fe + CuCl2(aq) = FeCl3 + Cu =>
2 Fe + 3 CuCl2(aq) = 2 FeCl3 + 3 Cu
C5H9NO2 = C4H9N + CO2 =>
C5H9NO2 = C4H9N + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2Cr2O7 + NiSO4 = K2SO4 + NiCr2O7 =>
K2Cr2O7 + NiSO4 = K2SO4 + NiCr2O7
Na2B4O7*10H2O + H2O2 + NaOH + H2O = Na2B2(O2)2(OH)4*6H2O =>
Na2B4O7*10H2O + 4 H2O2 + 2 NaOH + H2O = 2 Na2B2(O2)2(OH)4*6H2O
Na3Fe(CN)6 + Pb(C2O4)2 = Na2C2O4 + Pb3(Fe(CN)6)4 =>
4 Na3Fe(CN)6 + 3 Pb(C2O4)2 = 6 Na2C2O4 + Pb3(Fe(CN)6)4
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3 =>
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
AgNO3(aq) + Na2C2O4(aq) = Ag2C2O4 + NaNO3 =>
2 AgNO3(aq) + Na2C2O4(aq) = Ag2C2O4 + 2 NaNO3
NaAIO2 + H2O = NaOH + AI(OH)3 =>
NaAIO2 + 2 H2O = NaOH + AI(OH)3
ZnSO3 + Na2SO3 = Na2(Zn(SO3)2) =>
ZnSO3 + Na2SO3 = Na2(Zn(SO3)2)
C8H8 = C + H2 =>
C8H8 = 8 C + 4 H2
C3H8O3 + KNO3 = K2CO3 + CO2 + H2O + N2 =>
5 C3H8O3 + 14 KNO3 = 7 K2CO3 + 8 CO2 + 20 H2O + 7 N2
C7H8O2(l) + O2(g) = CO2(g) + H2O(g) =>
C7H8O2(l) + 8 O2(g) = 7 CO2(g) + 4 H2O(g)
HCO2H = H2 + CO2 =>
HCO2H = H2 + CO2
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
ZnCl2 + H2SO4 = ZnSO4 + HCl =>
ZnCl2 + H2SO4 = ZnSO4 + 2 HCl
Ag + CoCl3 = Co + AgCl =>
3 Ag + CoCl3 = Co + 3 AgCl
KF(s) = K(s) + F2(g) =>
2 KF(s) = 2 K(s) + F2(g)
KBr + Ca(ClO3)2 = KClO3 + CaBr2 =>
2 KBr + Ca(ClO3)2 = 2 KClO3 + CaBr2
C3H8 + O2 = CO2 + H2O = Heat =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HBr + CaSO3 = H2O + SO2 + CaBr2 =>
2 HBr + CaSO3 = H2O + SO2 + CaBr2
Pb(II)NO3 + KI = Pb(II)I + KNO3 =>
Pb(II)NO3 + KI = Pb(II)I + KNO3
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
C6H806 + O2 = CO2 + H2O =>
2 C6H806 + 415 O2 = 12 CO2 + 806 H2O
Na2SiF6 + Na(s) = Si(s) + NaF(s) =>
Na2SiF6 + 4 Na(s) = Si(s) + 6 NaF(s)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CoCl2 + HCl = CoCl4{2-} + H{+} =>
CoCl2 + 2 HCl = CoCl4{2-} + 2 H{+}
Na2[HgBr4] + KCl = KBr + Na2[HgCl4] =>
Na2[HgBr4] + 4 KCl = 4 KBr + Na2[HgCl4]
C18H32O2 + H2O = CH4 + CO2 =>
2 C18H32O2 + 18 H2O = 25 CH4 + 11 CO2
Al + F2 = AlF2 =>
Al + F2 = AlF2
C8H8 = C + H =>
C8H8 = 8 C + 8 H
Fe + Pb(CH3COO)2 = Pb + Fe(CH3COO) =>
2 Fe + Pb(CH3COO)2 = Pb + 2 Fe(CH3COO)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
H2O + K + PbO2 + KCl = KPb(OH)3 + KClO =>
3 H2O + 2 K + 2 PbO2 + KCl = 2 KPb(OH)3 + KClO
K2O + MnCl2 = KCl + MnO =>
K2O + MnCl2 = 2 KCl + MnO
AlCl3 + H2O(l) = Al(OH)3 + HCl(aq) =>
AlCl3 + 3 H2O(l) = Al(OH)3 + 3 HCl(aq)
CH3COOC2H5 + OH{-} = CH2COO{-} + C2H5OH =>
5 CH3COOC2H5 + 4 OH{-} = 4 CH2COO{-} + 6 C2H5OH
Al2(SO4)3 + K2Se = Al2Se3 + K2SO4 =>
Al2(SO4)3 + 3 K2Se = Al2Se3 + 3 K2SO4
lead(ii)chloride + Lithiumsulfate = lead(ii)sulfate + lithiumchloride =>
PbCl2 + Li2SO4 = PbSO4 + 2 LiCl
Y + Ni = YNi3 =>
Y + 3 Ni = YNi3
Sn{2+} = Sn{4+} + e =>
Sn{2+} = Sn{4+} + 2e
H2O + (NH4)2S2O3 + AlCl3 = NH4Cl + H2S2O3 + Al(OH)3 =>
6 H2O + 3(NH4)2S2O3 + 2 AlCl3 = 6 NH4Cl + 3 H2S2O3 + 2 Al(OH)3
MnSO3 + H2O = H2SO3 + Mn(OH)2 =>
MnSO3 + 2 H2O = H2SO3 + Mn(OH)2
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
Na3Ga(OH)6 + HCl = NaCl + GaCl3 + H2O =>
Na3Ga(OH)6 + 6 HCl = 3 NaCl + GaCl3 + 6 H2O
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
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