| Équations équilibrées la veille |
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
KMnO4 + HCl = Cl2 + MnCl2 + H2O + KCl =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 8 H2O + 2 KCl
Zn + NaNO3 + H2O = NaOH + Zn(OH)2 + NH3 =>
4 Zn + NaNO3 + 6 H2O = NaOH + 4 Zn(OH)2 + NH3
Be2C + H2O(l) = Be(OH)2 + CH4(g) =>
Be2C + 4 H2O(l) = 2 Be(OH)2 + CH4(g)
Cu2S + O2 + H2O = Cu(OH)2 + H2SO4 =>
2 Cu2S + 5 O2 + 6 H2O = 4 Cu(OH)2 + 2 H2SO4
[Cr2O7]{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
[Cr2O7]{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
Cu + C2H4(NH2)2 = C4H16CuN4 =>
Cu + 2 C2H4(NH2)2 = C4H16CuN4
N2CO3 + H2SO4 = N2SO4 + CO2 + H2O =>
N2CO3 + H2SO4 = N2SO4 + CO2 + H2O
Al + HNO3 = Al(NO3)3 + NH4NNO3 + H2O =>
13 Al + 48 HNO3 = 13 Al(NO3)3 + 3 NH4NNO3 + 18 H2O
Li3P = Li + P4 =>
4 Li3P = 12 Li + P4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2SiCl2 + NH3 = Si3N4 + HCl + H2 =>
3 H2SiCl2 + 4 NH3 = Si3N4 + 6 HCl + 6 H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
H3BO3 + C2H5OH = H2O + B(OC2H5)3 =>
H3BO3 + 3 C2H5OH = 3 H2O + B(OC2H5)3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Au2S3 = Au + S =>
Au2S3 = 2 Au + 3 S
(As2O3) + OH{-} = HAsO3({2-}) + H2O =>
(As2O3) + 4 OH{-} = 2 HAsO3({2-}) + H2O
Ag + HCl + H2O2 = AgCl + H2O =>
2 Ag + 2 HCl + H2O2 = 2 AgCl + 2 H2O
MgCl2 + KOH = Mg(OH)2 + KCl =>
MgCl2 + 2 KOH = Mg(OH)2 + 2 KCl
CH3CH2C0CH3 + KMnO4 + H2SO4 = CH3CH2COCH3 + H2O + MnSO4 + K2SO4 =>
5 CH3CH2C0CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2COCH3 + 3 H2O + 2 MnSO4 + K2SO4
FeOH2 + NO2 = Fe(NO3)3 + NO + H2O =>
FeOH2 + 6 NO2 = Fe(NO3)3 + 3 NO + H2O
ClO2 + Na2CO3 = NaClO2 + NaClO3 + CO2 =>
2 ClO2 + Na2CO3 = NaClO2 + NaClO3 + CO2
Mg + (NH4)3PO4 = Mg3(PO4)2 + NH4 =>
3 Mg + 2(NH4)3PO4 = Mg3(PO4)2 + 6 NH4
N2O4 + KI = KNO3 + NO + I2 =>
2 N2O4 + 2 KI = 2 KNO3 + 2 NO + I2
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
H2O + P2O5 + NH4 + Mg + OH = MgNH4PO4*6H2O =>
9 H2O + P2O5 + 2 NH4 + 2 Mg + 6 OH = 2 MgNH4PO4*6H2O
Ra + F2 = RaF2 =>
Ra + F2 = RaF2
Cd + H3PO4 = CdPO4 + H2 =>
2 Cd + 2 H3PO4 = 2 CdPO4 + 3 H2
CH2O + C2H6O = C3H6O + H2O =>
CH2O + C2H6O = C3H6O + H2O
BaCl2 + NaOH = NaCl + Ba(OH)2 =>
BaCl2 + 2 NaOH = 2 NaCl + Ba(OH)2
Ag + HCl + H2O2 = AgCl + H2O =>
2 Ag + 2 HCl + H2O2 = 2 AgCl + 2 H2O
Cr2O3 + Ca(OH)2 = Ca[CrO2]2 + H2O =>
Cr2O3 + Ca(OH)2 = Ca[CrO2]2 + H2O
Na + FeO2 = NaO2 + Fe =>
Na + FeO2 = NaO2 + Fe
AgNO3(ag) + NaCI(ag) = AgCI(s) + NaNO3(aq) =>
AgNO3(ag) + NaCI(ag) = AgCI(s) + NaNO3(aq)
KOH + HI = KI + H2O =>
KOH + HI = KI + H2O
AsCl3 = As4 + Cl2 =>
4 AsCl3 = As4 + 6 Cl2
Ca + F2 + H2SO4 = CaSO4 + HF =>
Ca + F2 + H2SO4 = CaSO4 + 2 HF
KOH + Cl2 = KClO3 + H2O + KCl =>
6 KOH + 3 Cl2 = KClO3 + 3 H2O + 5 KCl
CuCO3*Cu(OH)2 + H2SO4 + H2O = CO2 + CuSO4*5H2O =>
CuCO3*Cu(OH)2 + 2 H2SO4 + 7 H2O = CO2 + 2 CuSO4*5H2O
HOOC = COOH =>
HOOC = COOH
As2S + HNO3 = H3AsO4 + SO2 + NO2 + H2O =>
As2S + 14 HNO3 = 2 H3AsO4 + SO2 + 14 NO2 + 4 H2O
KBr + Li = K + BrLi =>
KBr + Li = K + BrLi
Fe + O3 + HCl = FeCl3 + H2O =>
2 Fe + O3 + 6 HCl = 2 FeCl3 + 3 H2O
Na2O(g) + H2O(l) = NaOH(aq) =>
Na2O(g) + H2O(l) = 2 NaOH(aq)
Sodium + Hydrogen = Sodiumhydride =>
2 Na + H2 = 2 NaH
C6H5CH2CN + H2O = C6H5CH2COOH + NH3 =>
C6H5CH2CN + 2 H2O = C6H5CH2COOH + NH3
Cd + H3PO4 = CdPO4 + H2 =>
2 Cd + 2 H3PO4 = 2 CdPO4 + 3 H2
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