| Équations équilibrées la veille |
K2Cr2O7 + H(OH) = H2Cr2O7 + K2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
C8H9NO2 + CuSO + CH3COOH = C10H13NO2 + Cu(CH3COO)2 + H2SO4 =>
3 C8H9NO2 + 2 CuSO + 7 CH3COOH = 3 C10H13NO2 + 2 Cu(CH3COO)2 + 2 H2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al(OH)3 + H{+} = Al{+3} + H2O =>
Al(OH)3 + 3 H{+} = Al{+3} + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlCl3 + Na2CO3 + H2O = Al(OH)3 + NaCl + H2CO3 =>
2 AlCl3 + 3 Na2CO3 + 6 H2O = 2 Al(OH)3 + 6 NaCl + 3 H2CO3
KI = IK =>
KI = IK
CH3CH(CH3)CONH2 + NaOH + Br2 = CH3NH2 + NaBr + H2O + Na2CO3 =>
CH3CH(CH3)CONH2 + 20 NaOH + 7 Br2 = CH3NH2 + 14 NaBr + 12 H2O + 3 Na2CO3
Ca(HCO3)2 + NaClO3 = Ca(ClO3)2 + NaHCO3 =>
Ca(HCO3)2 + 2 NaClO3 = Ca(ClO3)2 + 2 NaHCO3
KCl + CoCl2 + NaNO2 + CH3COOH = K3[Co(NO2)6] + CH3COONa + HCl + Na(NO)3 + H2O =>
12 KCl + 4 CoCl2 + 27 NaNO2 + 26 CH3COOH = 4 K3[Co(NO2)6] + 26 CH3COONa + 20 HCl + Na(NO)3 + 3 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
CU + H2SO4 = CUSO4 + H2 =>
CU + H2SO4 = CUSO4 + H2
ZnCl2 + Na2CO3*10H2O = ZnCO3 + NaCl + H2O =>
ZnCl2 + Na2CO3*10H2O = ZnCO3 + 2 NaCl + 10 H2O
Ca(HCO3)2 + NaClO3 = Ca(ClO3)2 + NaHCO3 =>
Ca(HCO3)2 + 2 NaClO3 = Ca(ClO3)2 + 2 NaHCO3
Al2(SO4)3 + Na2SO3 + H2O = Al(OH)3 + H2SO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 + 6 H2O = 2 Al(OH)3 + 3 H2SO3 + 3 Na2SO4
AsO2{-} + ClO{-} = AsO3{-} + Cl{-} =>
AsO2{-} + ClO{-} = AsO3{-} + Cl{-}
Na2S + Zn(CH3COO)2 = Na(CH3COO) + ZnS =>
Na2S + Zn(CH3COO)2 = 2 Na(CH3COO) + ZnS
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
K2CO3 + C = K2O + C2O2 =>
K2CO3 + C = K2O + C2O2
Fe(NO3)3 + Na2OH = FeOH + Na2 + NO3 =>
Fe(NO3)3 + Na2OH = FeOH + Na2 + 3 NO3
Pb + KI = PbIK =>
Pb + KI = PbIK
CuS + HNO3 = CuSO4 + NO(g) + H2O =>
3 CuS + 8 HNO3 = 3 CuSO4 + 8 NO(g) + 4 H2O
CU(NH3)4SO4 = CUSO4 + NH3 =>
CU(NH3)4SO4 = CUSO4 + 4 NH3
HClO3 + P0 + H2O = H3PO4 + HCl =>
5 HClO3 + 6 P0 + 9 H2O = 6 H3PO4 + 5 HCl
S{2-} + H2O = SO4{2-} + H{+} + e =>
S{2-} + 4 H2O = SO4{2-} + 8 H{+} + 8e
KI + AgNO3(aq) = KNO3(aq) + AgI =>
KI + AgNO3(aq) = KNO3(aq) + AgI
HClO4 + NH4HCO3 = NH4ClO4 + H2O + CO2 =>
HClO4 + NH4HCO3 = NH4ClO4 + H2O + CO2
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
C4H6O6 + NaOH = C4H5O6 + Na + H2O =>
C4H6O6 + NaOH = C4H5O6 + Na + H2O
Ca + Ag3PO4 = Ca3(PO4)2 + Ag =>
3 Ca + 2 Ag3PO4 = Ca3(PO4)2 + 6 Ag
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
OH{-} + Fe(OH)3 + ClO{-} = FeO42{-} + Cl{-} + H2O =>
OH{-} + Fe(OH)3 + 40 ClO{-} = FeO42{-} + 40 Cl{-} + 2 H2O
K3PO4 + NiBr2 = Ni3(PO4)2 + KBr =>
2 K3PO4 + 3 NiBr2 = Ni3(PO4)2 + 6 KBr
Ca(OH)2 + H3PO4(aq) = Ca3(PO4)2(aq) + H2O =>
3 Ca(OH)2 + 2 H3PO4(aq) = Ca3(PO4)2(aq) + 6 H2O
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
K2Cr2O7 + Na2C2O4 + H2SO4 = K2SO4Cr2(SO4)3 + Na2SO4 + H2O + CO2 =>
K2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = K2SO4Cr2(SO4)3 + 3 Na2SO4 + 7 H2O + 6 CO2
Cu + NiS = CuS + Ni =>
Cu + NiS = CuS + Ni
(C6H12)6 + O2 = CO2 + H2O =>
(C6H12)6 + 54 O2 = 36 CO2 + 36 H2O
Al + CrO = Al2O2 + Cr =>
2 Al + 2 CrO = Al2O2 + 2 Cr
AlOH + FeNO3 = AlNO3 + FeOH =>
AlOH + FeNO3 = AlNO3 + FeOH
Na2S4O6 + H2O2 = Na2SO4 + H2SO4 + H2O =>
Na2S4O6 + 7 H2O2 = Na2SO4 + 3 H2SO4 + 4 H2O
Cl2O7 + Ca1(O1H1)2 = Ca(Cl1O4)2 + H2O1 =>
Cl2O7 + Ca1(O1H1)2 = Ca(Cl1O4)2 + H2O1
FeCO3(s) + HNO3(aq) = Fe(NO3)2 + CO2 + H2O =>
FeCO3(s) + 2 HNO3(aq) = Fe(NO3)2 + CO2 + H2O
C6H12Br2 + H2O = C6H13Br + HBr + O2 =>
2 C6H12Br2 + 2 H2O = 2 C6H13Br + 2 HBr + O2
Al + LiOH = LiAlO2 + Li + H2 =>
Al + 2 LiOH = LiAlO2 + Li + H2
Ag + CaBr2 = AgBr + Ca =>
2 Ag + CaBr2 = 2 AgBr + Ca
H2(SO4) + Na(OH)2 = Na(SO4) + H2O =>
H2(SO4) + Na(OH)2 = Na(SO4) + 2 H2O
AgL + Fe2(CO3)3 = FeL3 + Ag2CO3 =>
6 AgL + Fe2(CO3)3 = 2 FeL3 + 3 Ag2CO3
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