| Équations équilibrées la veille |
2 Pb(C2H5)4 + 3 O2 + 4 H2O = 2 PbO + 8 C2H5OH
HI + KOH = K(I) + H2O =>
HI + KOH = K(I) + H2O
C6H5O3N + O2 = CO2 + NO3 + H2O =>
4 C6H5O3N + 29 O2 = 24 CO2 + 4 NO3 + 10 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
FeO + HNO3 = Fe(NO3)3 + NO + H2O =>
3 FeO + 10 HNO3 = 3 Fe(NO3)3 + NO + 5 H2O
NaIO4 + NaHSO3 = NaHSO4 + Na2SO4 + I2 + H2O =>
2 NaIO4 + 7 NaHSO3 = 5 NaHSO4 + 2 Na2SO4 + I2 + H2O
H2SO4 + H2O2 = H2SO5 + H2O =>
H2SO4 + H2O2 = H2SO5 + H2O
NaOH + H3Po4 = Na3Po4 + H2O =>
3 NaOH + H3Po4 = Na3Po4 + 3 H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
Cr2S3 + KOH + KClO3 = K2CrO4 + K2SO4 + KCl + H2O =>
Cr2S3 + 10 KOH + 5 KClO3 = 2 K2CrO4 + 3 K2SO4 + 5 KCl + 5 H2O
H4SiO4 + Ca(OH)2 = Ca4(SiO4)2 + H2O =>
2 H4SiO4 + 4 Ca(OH)2 = Ca4(SiO4)2 + 8 H2O
AlCl3 + NH4NO3 = AlNO3 + NH4Cl3 =>
AlCl3 + NH4NO3 = AlNO3 + NH4Cl3
OCH2CHO + Fe{-3} = OHC{-}CHO + H{+} + Fe{+2} =>
5 OCH2CHO + Fe{-3} = 10 OHC{-}CHO + 5 H{+} + Fe{+2}
CuSO4*5H2O + Fe2 = FeSO4*5H2O + Cu =>
2 CuSO4*5H2O + Fe2 = 2 FeSO4*5H2O + 2 Cu
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Al2O3 + Na3AlF6 = AlF3 + Na2O =>
Al2O3 + 2 Na3AlF6 = 4 AlF3 + 3 Na2O
HF + KOH = KF{+} + H2O{-} =>
HF + KOH = KF{+} + H2O{-}
FeCl3 + (NH4)(CNS) = Fe(CNS)3 + NH4Cl =>
FeCl3 + 3(NH4)(CNS) = Fe(CNS)3 + 3 NH4Cl
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO2 + Cl2 =>
4 C2H5NSCl + 21 O2 = 8 CO2 + 10 H2O + 4 NO2 + 4 SO2 + 2 Cl2
Li + Ag3Cl = Li2Cl + Ag =>
2 Li + Ag3Cl = Li2Cl + 3 Ag
K2O4(s) + CO2(g) = K2CO3(s) + O2(g) =>
2 K2O4(s) + 2 CO2(g) = 2 K2CO3(s) + 3 O2(g)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
CH3COOC6H4CH3 + NaOH = CH3COONa + HOC6H4CH3 =>
CH3COOC6H4CH3 + NaOH = CH3COONa + HOC6H4CH3
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(i) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(i)
CuS + H2O + O = Cu(OH)2 + SO2 =>
CuS + H2O + 3 O = Cu(OH)2 + SO2
Si2H2 + O2 = SiO2 + H2O =>
2 Si2H2 + 5 O2 = 4 SiO2 + 2 H2O
Br + H2S = HBr + S =>
2 Br + H2S = 2 HBr + S
FeCl3 + Rb2S = RbCl + Fe2S3 =>
2 FeCl3 + 3 Rb2S = 6 RbCl + Fe2S3
Na2CrO4 = Na2Cr2O7 + Na2O =>
2 Na2CrO4 = Na2Cr2O7 + Na2O
Br + CuCl2 = Cu + BrCl =>
2 Br + CuCl2 = Cu + 2 BrCl
CH3COOH + HClO4 = H3O + CH3COO + Cl2O =>
19 CH3COOH + 2 HClO4 = 7 H3O + 19 CH3COO + Cl2O
H2CCHCOOH + KMnO4 + H2O = H2C(OH)CH(OH)COOH + KOH + MnO2 =>
3 H2CCHCOOH + 2 KMnO4 + 4 H2O = 3 H2C(OH)CH(OH)COOH + 2 KOH + 2 MnO2
SO2Na2 + Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
2 SO2Na2 + Cr2O7 + 3 H2SO4 = 2 Na2SO4 + Cr2(SO4)3 + 3 H2O
Al + S = Al2S4 =>
2 Al + 4 S = Al2S4
H2SO4 + HNO3 + Cu = CuSO4 + NO + H2O =>
3 H2SO4 + 2 HNO3 + 3 Cu = 3 CuSO4 + 2 NO + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KBrO3 + C2O4{2-} + H{+} = CO2 + KBr + H2O =>
KBrO3 + 3 C2O4{2-} + 6 H{+} = 6 CO2 + KBr + 3 H2O
Ba + Na = Ba3Na2 =>
3 Ba + 2 Na = Ba3Na2
Ba + H2 = BaH2 =>
Ba + H2 = BaH2
FeS2{-} + H2O + O20 = H2SO4{-} + FeSO4 =>
20 FeS2{-} + 20 H2O + 7 O20 = 20 H2SO4{-} + 20 FeSO4
Al2O3 + NaOH = Al(OH)3 + Na2O =>
Al2O3 + 6 NaOH = 2 Al(OH)3 + 3 Na2O
MnO2 + HCI = MnC2 + H2O + CI2 =>
MnO2 + 4 HCI = MnC2 + 2 H2O + 2 CI2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Ca(OH)2 + SO2 = CaSO3 + H2O =>
Ca(OH)2 + SO2 = CaSO3 + H2O
*1NAgNO3 = Ag2O + *2O + N2 =>
4*1NAgNO3 = 2 Ag2O + 5*2O + 4 N2
Fe + H2 + O2 + C = Fe(HCO3)3 =>
2 Fe + 3 H2 + 9 O2 + 6 C = 2 Fe(HCO3)3
NaOHHNO2 = NaNO2H2O =>
NaOHHNO2 = NaNO2H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KBr + K2Cr2O7 + HCl = CrCl3 + Br2 + KCl + H2O =>
6 KBr + K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Br2 + 8 KCl + 7 H2O
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