| Équations équilibrées la veille |
Na2[Zn(OH)4] + 4 HCl = 2 NaCl + 4 H2O + ZnCl2
I2O5 + CO = I2 + CO2 =>
I2O5 + 5 CO = I2 + 5 CO2
K2CrO4 + TiF3 = Ti2(CrO4)3 + KF =>
3 K2CrO4 + 2 TiF3 = Ti2(CrO4)3 + 6 KF
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
Ca(NO3)2 + K2SO4 = CaSO4 + KNO3 =>
Ca(NO3)2 + K2SO4 = CaSO4 + 2 KNO3
V + O2 = VO2 =>
V + O2 = VO2
OHCH2COOH + KOH = KC2H2O2 + H2O + OH =>
OHCH2COOH + KOH = KC2H2O2 + H2O + OH
C6H6O + ClO2 = CO2 + HCl + H2O =>
5 C6H6O + 28 ClO2 = 30 CO2 + 28 HCl + H2O
H2O2 + Cr(OH)3 + NaOH = Na2CrO4 + H2O =>
3 H2O2 + 2 Cr(OH)3 + 4 NaOH = 2 Na2CrO4 + 8 H2O
Na(s) + AuCl3(aq) = NaCl(aq) + Au(s) =>
3 Na(s) + AuCl3(aq) = 3 NaCl(aq) + Au(s)
K2Cr2O7 + CuS + HCl = KCl + CrCl3 + CuCl2 + H2SO4 + H2O =>
4 K2Cr2O7 + 3 CuS + 38 HCl = 8 KCl + 8 CrCl3 + 3 CuCl2 + 3 H2SO4 + 16 H2O
CuCl2 + H2SO4 = CuSO4 + HCl =>
CuCl2 + H2SO4 = CuSO4 + 2 HCl
Cl2 + CoI2 = CoCl2 + I2 =>
Cl2 + CoI2 = CoCl2 + I2
PCl3 + KClO3 + H2O = H3PO4 + HCl + KCl =>
3 PCl3 + KClO3 + 9 H2O = 3 H3PO4 + 9 HCl + KCl
Fe(NO3)3 + KI = I2 + FeI2 + KNO3 =>
2 Fe(NO3)3 + 6 KI = I2 + 2 FeI2 + 6 KNO3
HPo4{2-} + NH4{+} + MoO4{2-} + H{+} = (NH4)3Po4*12MoO3 + H2O =>
HPo4{2-} + 3 NH4{+} + 12 MoO4{2-} + 23 H{+} = (NH4)3Po4*12MoO3 + 12 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2Cl2 + H2O2 + HCl = FeCl3 + H2O =>
Fe2Cl2 + 2 H2O2 + 4 HCl = 2 FeCl3 + 4 H2O
H2SO4 + As(OH)3 = As2(SO4)3 + HOH =>
3 H2SO4 + 2 As(OH)3 = As2(SO4)3 + 6 HOH
NH4I + KOCl = I2 + KCl + NH3 + H2O =>
2 NH4I + KOCl = I2 + KCl + 2 NH3 + H2O
K2SiO3 + NaNO3 = KNO3 + Na2SiO3 =>
K2SiO3 + 2 NaNO3 = 2 KNO3 + Na2SiO3
Zn(s) + HCl(as) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(as) = ZnCl2(aq) + H2(g)
CaC2 + CO2 + (H2)O = Ca(OH)2 + C(H2)CHC(O2)H =>
6 CaC2 + 3 CO2 + 16(H2)O = 6 Ca(OH)2 + 5 C(H2)CHC(O2)H
KAl(SO4)2 + NaHCO3 = Na2(SO4) + KAl(OH)2(SO4) + CO2 =>
KAl(SO4)2 + 2 NaHCO3 = Na2(SO4) + KAl(OH)2(SO4) + 2 CO2
KOH(aq) + HF(aq) = OH2 + KF =>
KOH(aq) + HF(aq) = OH2 + KF
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
NH4Fe(SO4)2*3H2O + Na2CO3 = Fe(OH)3 + NH4{+} + SO4{2-} + Na{+} + HCO3{-} =>
NH4Fe(SO4)2*3H2O + 3 Na2CO3 = Fe(OH)3 + NH4{+} + 2 SO4{2-} + 6 Na{+} + 3 HCO3{-}
Al + Na2S2O3 + HCl = AlCl3 + NaCl + H2O + H2S =>
8 Al + 3 Na2S2O3 + 30 HCl = 8 AlCl3 + 6 NaCl + 9 H2O + 6 H2S
Al2S3 + H2CO3 = Al2(CO3)3 + H2S =>
Al2S3 + 3 H2CO3 = Al2(CO3)3 + 3 H2S
H2SO4 + PbCO3 = PbSO4 + H2O + CO2 =>
H2SO4 + PbCO3 = PbSO4 + H2O + CO2
H12C4 + O2 = CO2 + H2O =>
H12C4 + 7 O2 = 4 CO2 + 6 H2O
Ca(HSO3)2 + HCl = CaCl2 + H2O + SO2 =>
Ca(HSO3)2 + 2 HCl = CaCl2 + 2 H2O + 2 SO2
Ba(O2) + H2(SO4) = BaSO4 + H2O2 =>
Ba(O2) + H2(SO4) = BaSO4 + H2O2
Al2S3 + H2CO3 = Al2(CO3)3 + H2S =>
Al2S3 + 3 H2CO3 = Al2(CO3)3 + 3 H2S
Li2O + NO2 + O2 = LiNO3 =>
2 Li2O + 4 NO2 + O2 = 4 LiNO3
Al2S3 + H2CO3 = Al2(CO3)3 + H2S =>
Al2S3 + 3 H2CO3 = Al2(CO3)3 + 3 H2S
H2SO4 + NaOH = Na2SO4 + HOH =>
H2SO4 + 2 NaOH = Na2SO4 + 2 HOH
Fe{+2} + Mn{+7} = Mn{+2} + Fe{+3} =>
5 Fe{+2} + Mn{+7} = Mn{+2} + 5 Fe{+3}
F + MgBr2 = FBr + Mg =>
2 F + MgBr2 = 2 FBr + Mg
CrO2{-} + HO2{-} = CrO4{-} + OH{-} =>
CrO2{-} + 2 HO2{-} = CrO4{-} + 2 OH{-}
Fe(NO3) + Na3PO4 = Fe3PO4 + NaNO3 =>
3 Fe(NO3) + Na3PO4 = Fe3PO4 + 3 NaNO3
CH2CHCH2COOH + KMnO4 + H2O = CH2(OH)CH(OH)CH2COOH + MnO2 + KOH =>
3 CH2CHCH2COOH + 2 KMnO4 + 4 H2O = 3 CH2(OH)CH(OH)CH2COOH + 2 MnO2 + 2 KOH
MnO2 + NaI + H2SO4 = I2 + MnSO4 + NaSO4 + H2O =>
2 MnO2 + 2 NaI + 4 H2SO4 = I2 + 2 MnSO4 + 2 NaSO4 + 4 H2O
CH3CH2COONa + HNO3 = CH3CH2COOH + NaNO3 =>
CH3CH2COONa + HNO3 = CH3CH2COOH + NaNO3
Al2S3 + H2CO3 = Al2(CO3)3 + H2S =>
Al2S3 + 3 H2CO3 = Al2(CO3)3 + 3 H2S
Na2SO4 + HCI = Na2SO4HCI =>
Na2SO4 + HCI = Na2SO4HCI
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(s) =>
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(s)
C6H8O7(aq) + NaHCO3(s) = CO2(g) + H2O(l) + Na3C6H5O7 =>
C6H8O7(aq) + 3 NaHCO3(s) = 3 CO2(g) + 3 H2O(l) + Na3C6H5O7
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