| Équations équilibrées la veille |
SeO2(s) + 2 H2Se(g) = 3 Se(s) + 2 H2O(g)
SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3
AlPO4(ac) + Mg(s) = Al(s) + Mg3(PO4)2(ac) =>
2 AlPO4(ac) + 3 Mg(s) = 2 Al(s) + Mg3(PO4)2(ac)
ZnCl2 + (NH4)3P = Zn3P2 + NH4Cl =>
3 ZnCl2 + 2(NH4)3P = Zn3P2 + 6 NH4Cl
Na + Cl2 = NaCl2 =>
Na + Cl2 = NaCl2
GaP + H2O = Ga2O + P + H2 =>
2 GaP + H2O = Ga2O + 2 P + H2
H3BO3 + HCl = H4BO3 + Cl =>
H3BO3 + HCl = H4BO3 + Cl
Cr + Sn{2+} = Cr{2+} + Sn =>
Cr + Sn{2+} = Cr{2+} + Sn
C6H5No2 + CH3Cl = C6H5Cl + CH3No2 =>
C6H5No2 + CH3Cl = C6H5Cl + CH3No2
KNO2 + KMnO4 + KOH = K2MnO4 + H2O + KNO3 =>
KNO2 + 2 KMnO4 + 2 KOH = 2 K2MnO4 + H2O + KNO3
K2Cr2O7 + NH3 = HNO3 + H2O + KCrO2 =>
4 K2Cr2O7 + 3 NH3 = 3 HNO3 + 3 H2O + 8 KCrO2
C25H52 + O2 = CO2 + H2O =>
C25H52 + 38 O2 = 25 CO2 + 26 H2O
KMnO4 + HCl = MnCl2 + HCl2 + H2O + KCl =>
KMnO4 + 13 HCl = MnCl2 + 5 HCl2 + 4 H2O + KCl
AlF3 + HF = H3AlF6 =>
AlF3 + 3 HF = H3AlF6
KH2PO4 + Ca(OH)2 = Ca3(PO4)2 + K3PO4 + H2O =>
3 KH2PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + K3PO4 + 6 H2O
Mg(s) + I2(s) = MgI2 =>
Mg(s) + I2(s) = MgI2
PbS2 + BeCO3 = Pb(CO3)2 + BeS =>
PbS2 + 2 BeCO3 = Pb(CO3)2 + 2 BeS
CaCl2 + Li2(CO3) = Ca(CO3) + LiCl =>
CaCl2 + Li2(CO3) = Ca(CO3) + 2 LiCl
Si + OH{-} + H2O = SiO3{-2} + H2 =>
Si + 2 OH{-} + H2O = SiO3{-2} + 2 H2
C2H5OH3 + O2 = CO2 + H2O =>
2 C2H5OH3 + 7 O2 = 4 CO2 + 8 H2O
H2SO4 + HI = H2S04 + I2 + H2O =>
4 H2SO4 + 26 HI = H2S04 + 13 I2 + 16 H2O
F2 + P4Br3 = Br2 + P5F10 =>
40 F2 + 10 P4Br3 = 15 Br2 + 8 P5F10
Pb(s) + P(s) = Pb3P4(s) =>
3 Pb(s) + 4 P(s) = Pb3P4(s)
MgCO3 + H3PO4 = Mg3(PO4)2 + H2CO3 =>
3 MgCO3 + 2 H3PO4 = Mg3(PO4)2 + 3 H2CO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HOCl3 + HBr = HCl + Br2 + H2O =>
HOCl3 + 4 HBr = 3 HCl + 2 Br2 + H2O
NaH2PO4 = Na2H2P2O7 + H2O =>
2 NaH2PO4 = Na2H2P2O7 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Ba + FeN = Ba3N2 + Fe =>
3 Ba + 2 FeN = Ba3N2 + 2 Fe
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C2H8N2 + N2O2 = N2 + CO2 + H2O =>
C2H8N2 + 4 N2O2 = 5 N2 + 2 CO2 + 4 H2O
K(s) + FeSO4(aq) = K2SO4(aq) + Fe(s) =>
2 K(s) + FeSO4(aq) = K2SO4(aq) + Fe(s)
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s) =>
Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s)
Tl(NO3)3 + KNO2 = TlNO3 + KNO3 + NO2 =>
Tl(NO3)3 + 2 KNO2 = TlNO3 + 2 KNO3 + 2 NO2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
C2H5OH3 + O2 = CO2 + H2O =>
2 C2H5OH3 + 7 O2 = 4 CO2 + 8 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C17H21NO4 + C2H5OH = C18H23NO4 + H2O =>
2 C17H21NO4 + C2H5OH = 2 C18H23NO4 + H2O
Mg(OH)2 + Na2O = MgO + Na(OH) =>
Mg(OH)2 + Na2O = MgO + 2 Na(OH)
CH3(CH2)6CH3(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3(CH2)6CH3(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
MgCO3 + O2 = MgO2 + CO2 =>
2 MgCO3 + O2 = 2 MgO2 + 2 CO2
FeSO4 + Br2 + H2O = Fe(OH)3 + HBr + H2SO4 =>
2 FeSO4 + Br2 + 6 H2O = 2 Fe(OH)3 + 2 HBr + 2 H2SO4
CH2CHCHCH2 + H2O = CH3CHCHCH2OH =>
CH2CHCHCH2 + H2O = CH3CHCHCH2OH
N2H2 + C10O2H16 = N2 + C10O2H20 =>
2 N2H2 + C10O2H16 = 2 N2 + C10O2H20
C20H14O4 + NaOH = C20H13O4Na + H2O =>
C20H14O4 + NaOH = C20H13O4Na + H2O
CuSO4 + KI = Cu2I2 + K2SO4 + I3 =>
6 CuSO4 + 12 KI = 3 Cu2I2 + 6 K2SO4 + 2 I3
H2O + FeCl3 + KSCN = Fe(SCN)3 + KClO + H =>
3 H2O + FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KClO + 6 H
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Équations équilibrées sur12/11/24
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