| Équations équilibrées la veille |
2 Nb2O5 + 10 Cl2 + 5 C = 4 NbCl5 + 5 CO2
Ammonia + oxygen = nitrogenmonoxide + Water =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(OH)3 + (NH4)2S = Fe2S3 + NH4OH =>
2 Fe(OH)3 + 3(NH4)2S = Fe2S3 + 6 NH4OH
PH3 + BCl3 = PCl3 + BH3 =>
PH3 + BCl3 = PCl3 + BH3
Be(OH)2 + KOH = K2BeO2 + H2O =>
Be(OH)2 + 2 KOH = K2BeO2 + 2 H2O
SiO2 + H2SO4 = H2SO4SiO2 =>
SiO2 + H2SO4 = H2SO4SiO2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3(classification) =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3(classification)
H2O + Cl{-} + MnO4{-} = Cl2 + MnO3 + OH{-} =>
2 H2O + 2 Cl{-} + 2 MnO4{-} = Cl2 + 2 MnO3 + 4 OH{-}
KICl4 + KI = KCl + I2 =>
KICl4 + 3 KI = 4 KCl + 2 I2
I2 + HSO3{-} + H2O = I{-} + SO42{-} + H{+} =>
79 I2 + 2 HSO3{-} + 78 H2O = 158 I{-} + 2 SO42{-} + 158 H{+}
Pt + H2 = PtH2 =>
Pt + H2 = PtH2
PtCl4 + Br2 = BrCl + Pt =>
PtCl4 + 2 Br2 = 4 BrCl + Pt
SiO2 + CH4 = SiC + CO + H2 =>
SiO2 + 3 CH4 = SiC + 2 CO + 6 H2
C6H5MgBr + C8H8O2 = C19H16O + MgBrOH =>
6 C6H5MgBr + 5 C8H8O2 = 4 C19H16O + 6 MgBrOH
CH2O + H = CH3OH =>
CH2O + 2 H = CH3OH
CH4(s) + O2(g) = CO2(g) + H2O(g) =>
CH4(s) + 2 O2(g) = CO2(g) + 2 H2O(g)
NaBrO3 = NaBr + O2 =>
2 NaBrO3 = 2 NaBr + 3 O2
N2O5(g) + H2O = HNO3(ac) =>
N2O5(g) + H2O = 2 HNO3(ac)
C6H5COOCH3 + NaOH = C6H5COONa + CH3OH =>
C6H5COOCH3 + NaOH = C6H5COONa + CH3OH
C1H195 + O2 = CO2 + H2O =>
4 C1H195 + 199 O2 = 4 CO2 + 390 H2O
SrS(aq) + Cu(NO3)2(aq) = Sr(NO3)2 + CuS =>
SrS(aq) + Cu(NO3)2(aq) = Sr(NO3)2 + CuS
MgO(s) + H2SO4(aq) = MgSO4 + H2O =>
MgO(s) + H2SO4(aq) = MgSO4 + H2O
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
Sn + Hg(NO3)2 = Sn(NO3) + Hg =>
2 Sn + Hg(NO3)2 = 2 Sn(NO3) + Hg
Na(s) + H2O(i) = NaOH(aq) + H2 =>
2 Na(s) + 2 H2O(i) = 2 NaOH(aq) + H2
C6H5CI + O2 = CO + H2O + HCI =>
C6H5CI + 4 O2 = 6 CO + 2 H2O + HCI
GaN + Cl2 = GaCl3 + N2 =>
2 GaN + 3 Cl2 = 2 GaCl3 + N2
K3PO4 + HC2H3O2 = H3PO4 + KC2H3O2 =>
K3PO4 + 3 HC2H3O2 = H3PO4 + 3 KC2H3O2
CuS + Na2CO3 = Na2S + CuCO3 =>
CuS + Na2CO3 = Na2S + CuCO3
NaOH + C16H32O2 = C16H31NaO2 + H2O =>
NaOH + C16H32O2 = C16H31NaO2 + H2O
MnO2 + Pb = MnO + PbO =>
MnO2 + Pb = MnO + PbO
Mg + H2SO4 + H2O = MgSO4*H2O + H2 =>
Mg + H2SO4 + H2O = MgSO4*H2O + H2
NH4OH + Fe(CH3CO2)2 = CH3COONH4 + Fe(OH)2 =>
2 NH4OH + Fe(CH3CO2)2 = 2 CH3COONH4 + Fe(OH)2
KBr + AgNO3 = KNO3 + AgBr =>
KBr + AgNO3 = KNO3 + AgBr
NaNO3 + S = SO2 + Na2O + NO =>
4 NaNO3 + 3 S = 3 SO2 + 2 Na2O + 4 NO
C2H5ONa + CH3CH2Cl = C2H5OCH2CH3 + NaCl =>
C2H5ONa + CH3CH2Cl = C2H5OCH2CH3 + NaCl
C2H6O2S + O2 = C2H6O4S =>
C2H6O2S + O2 = C2H6O4S
N4 + S2 = N2S5 =>
N4 + 5 S2 = 2 N2S5
Ba(NO3)2 + (NH4)2(CO3) = Ba(CO3) + NH4NO3 =>
Ba(NO3)2 + (NH4)2(CO3) = Ba(CO3) + 2 NH4NO3
Fe3O4 + NH3 + H2O = Fe(OH)3 + NH4 =>
Fe3O4 + NH3 + 5 H2O = 3 Fe(OH)3 + NH4
Al + FeN3 = AlN3 + Fe =>
Al + FeN3 = AlN3 + Fe
ZnSO4(aq) + SrCl2(aq) = ZnCl2 + SrSO4 =>
ZnSO4(aq) + SrCl2(aq) = ZnCl2 + SrSO4
P2SO4 = P3 + SO4 =>
3 P2SO4 = 2 P3 + 3 SO4
Tl + Cl = TlCl3 =>
Tl + 3 Cl = TlCl3
Cu8 + HNO3 = Cu(NO3) + NO2 + H2O =>
Cu8 + 16 HNO3 = 8 Cu(NO3) + 8 NO2 + 8 H2O
HN3 + HNO3 = N2 + NH4NO3 =>
3 HN3 + HNO3 = 4 N2 + NH4NO3
PCl3 + H2O = P(OH)3 + HCl =>
PCl3 + 3 H2O = P(OH)3 + 3 HCl
KI + Cu2 = CuI2 + K =>
4 KI + Cu2 = 2 CuI2 + 4 K
Al2S3 + Fe = Al + Fe2S3 =>
Al2S3 + 2 Fe = 2 Al + Fe2S3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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