| Équations équilibrées la veille |
2 H2 + Fe2O3 = Fe2O + 2 H2O
SiO2 + HNO3 = SiO(NO3)2 + H2O =>
SiO2 + 2 HNO3 = SiO(NO3)2 + H2O
Fe + SnSO4 = Fe2(SO4)3 + Sn =>
2 Fe + 3 SnSO4 = Fe2(SO4)3 + 3 Sn
NaNO3 + H2O = Na + NHO3 + O =>
2 NaNO3 + H2O = 2 Na + 2 NHO3 + O
Cu(NO3)3 + Ca(OH)2 = Cu(OH)3 + Ca(NO3)2 =>
2 Cu(NO3)3 + 3 Ca(OH)2 = 2 Cu(OH)3 + 3 Ca(NO3)2
Fr + P = Fr3P1 =>
3 Fr + P = Fr3P1
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Hg2(CH3CO2)2 + NaI = Hg2I2 + NaCH3CO2 =>
Hg2(CH3CO2)2 + 2 NaI = Hg2I2 + 2 NaCH3CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KI + FeO = K2O + Fe + I2 =>
2 KI + FeO = K2O + Fe + I2
C2H5NH2HNO2 = C2H5OHN2H2O =>
C2H5NH2HNO2 = C2H5OHN2H2O
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
Ca + CoSO4 = CaSO4 + Co =>
Ca + CoSO4 = CaSO4 + Co
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Au + HNO3 = Au(NO3)3 + NO2 + H2O =>
Au + 6 HNO3 = Au(NO3)3 + 3 NO2 + 3 H2O
KO2 + HBr = KBr + Br2 + H2O =>
2 KO2 + 8 HBr = 2 KBr + 3 Br2 + 4 H2O
KMnO4 + H2SO4 + NaNO2 = H2O + K2SO4 + MnSO4 + NaNO3 =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = 3 H2O + K2SO4 + 2 MnSO4 + 5 NaNO3
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
RCHO + Cu(OH)2 = Cu2O + RCOOH + H2O =>
RCHO + 2 Cu(OH)2 = Cu2O + RCOOH + 2 H2O
Be + H3O{+} + H2O = [Be(H2O)4]2{+} + H2 =>
4 Be + 2 H3O{+} + 14 H2O = 2[Be(H2O)4]2{+} + H2
K2Cr2O7 + H2SO4 + HCl = KCl + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 6 H2SO4 + 4 HCl = 4 KCl + 2 Cr2(SO4)3 + 8 H2O + 3 O2
Ca(NO{3})2 + Li{3}PO{4} = Ca{3}(PO4){2} + Li(NO{3}) =>
Ca(NO{3})2 + 2 Li{3}PO{4} = Ca{3}(PO4){2} + 2 Li(NO{3})
SnO(s) + H2O(s) = Sn(OH)2(s) =>
SnO(s) + H2O(s) = Sn(OH)2(s)
CaI2 + Br2 = CaBr + I2 =>
2 CaI2 + Br2 = 2 CaBr + 2 I2
Sn + HCl = SnCl2 + H =>
Sn + 2 HCl = SnCl2 + 2 H
C6H10 + Br2 = CBr + HBr =>
C6H10 + 8 Br2 = 6 CBr + 10 HBr
FeS + P = P2Fe3 + S =>
3 FeS + 2 P = P2Fe3 + 3 S
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
NH3 + HCl = NH4Cl0 =>
NH3 + HCl = NH4Cl0
FeCl3 + NH4SCN = FeSCN + NH4Cl3 =>
FeCl3 + NH4SCN = FeSCN + NH4Cl3
CH4 + OF2 = CF4 + H2O =>
CH4 + 2 OF2 = CF4 + 2 H2O
NaCl + Fe + H2O = FeCl3 + NaOH + H2 =>
6 NaCl + 2 Fe + 6 H2O = 2 FeCl3 + 6 NaOH + 3 H2
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
KHCO3HCl(aq) = KCl(aq)CO2(g)H2O(l) =>
KHCO3HCl(aq) = KCl(aq)CO2(g)H2O(l)
Fe*S = FeS =>
Fe*S = FeS
Fe + H2SO4(concentrated) = FeSO4 + H2 =>
Fe + H2SO4(concentrated) = FeSO4 + H2
WCl6 + Bi = W6Cl12 + BiCl3 =>
6 WCl6 + 8 Bi = W6Cl12 + 8 BiCl3
Ba3(Po4)2 = Ba + Po4 =>
Ba3(Po4)2 = 3 Ba + 2 Po4
K2Cr2O7 + (NH4)2S + H2O = KOH + Cr(OH)3 + NH3 + S =>
K2Cr2O7 + 3(NH4)2S + H2O = 2 KOH + 2 Cr(OH)3 + 6 NH3 + 3 S
KNO3 + H2O + CO2 = KHCO3 + HNO3 =>
KNO3 + H2O + CO2 = KHCO3 + HNO3
Hg2(NO3)2 + KI = Hg2I2 + K + NO3 =>
Hg2(NO3)2 + 2 KI = Hg2I2 + 2 K + 2 NO3
MgCl2 + Na2SO4 = MgSO4 + Na2Cl2 =>
MgCl2 + Na2SO4 = MgSO4 + Na2Cl2
Mn2{+} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+} =>
2 Mn2{+} + 13 IO4{-} + 3 H2O = 4 MnO4{-} + 13 IO3{-} + 6 H{+}
KI + CuSO4 = (K2)SO4 + Cu(I2) =>
2 KI + CuSO4 = (K2)SO4 + Cu(I2)
Se + O2 = Se2O =>
4 Se + O2 = 2 Se2O
C2H7N + H2O = C2H7O + NH2 =>
C2H7N + H2O = C2H7O + NH2
HNO3 + C6H6 = C6H5NO2 + H2O =>
HNO3 + C6H6 = C6H5NO2 + H2O
Na2C2O4 + NaMnO4 + NaOH = Na2CO3 + MnO2 + H2O =>
3 Na2C2O4 + 2 NaMnO4 + 4 NaOH = 6 Na2CO3 + 2 MnO2 + 2 H2O
BaCrO4 + HNO3 = HCrO4 + BaNO3 =>
BaCrO4 + HNO3 = HCrO4 + BaNO3
K2CrO4 + N2H4 + H2O = Cr(OH)3 + N2 + KOH =>
4 K2CrO4 + 3 N2H4 + 4 H2O = 4 Cr(OH)3 + 3 N2 + 8 KOH
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Équations équilibrées sur11/12/24
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