| Équations équilibrées la veille |
CH3CH2COOH + 2 NaOH = CH3CH3 + Na2CO3 + H2O
NH4Cl + MgCO3 = MgCl2 + NH3 + CO2 + H2O =>
2 NH4Cl + MgCO3 = MgCl2 + 2 NH3 + CO2 + H2O
Au + HNO3 + HCl = HAuCl4 + NO2 + H2O =>
Au + 3 HNO3 + 4 HCl = HAuCl4 + 3 NO2 + 3 H2O
KCl + Na2CO3 = KCO3 + ClNa2 =>
KCl + Na2CO3 = KCO3 + ClNa2
KNO3 + Cr2(SO4)3 + Na2CO = KNO2 + Na2CrO4 + Na2SO4 + CO2 =>
13 KNO3 + Cr2(SO4)3 + 5 Na2CO = 13 KNO2 + 2 Na2CrO4 + 3 Na2SO4 + 5 CO2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Na3P + KOH = NaOH + K3P =>
Na3P + 3 KOH = 3 NaOH + K3P
Zinc + HCl = ZnCl + Hydrogen =>
2 Zn + 2 HCl = 2 ZnCl + H2
Br2O = Br2 + O2 =>
2 Br2O = 2 Br2 + O2
XCl2(aq) + AgNO3(aq) = X(NO3)2(aq) + AgCl(s) =>
XCl2(aq) + 2 AgNO3(aq) = X(NO3)2(aq) + 2 AgCl(s)
Ag3N + Be = Be3N2 + Ag =>
2 Ag3N + 3 Be = Be3N2 + 6 Ag
AsO2{-} + Sn{2+} + Cl{-} + H{+} = As + H2O + SnCl6{2-} =>
2 AsO2{-} + 3 Sn{2+} + 18 Cl{-} + 8 H{+} = 2 As + 4 H2O + 3 SnCl6{2-}
Cu(OH)2 + CO2 = CuCO3 + H2O =>
Cu(OH)2 + CO2 = CuCO3 + H2O
ClO3{-} = ClO4{-} + Cl{-} =>
4 ClO3{-} = 3 ClO4{-} + Cl{-}
Cu + S = Cu2S =>
2 Cu + S = Cu2S
NaNo2 + HCl = NaCl + HNo2 =>
NaNo2 + HCl = NaCl + HNo2
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
H3GaO3 = H4Ga6O11 + H2O =>
6 H3GaO3 = H4Ga6O11 + 7 H2O
Cu3(CO3)2(OH)2 + CO = Cu + H2O + CO2 =>
Cu3(CO3)2(OH)2 + 3 CO = 3 Cu + H2O + 5 CO2
Ze + Cl = ZeCl =>
Ze + Cl = ZeCl
(La(NO3)3)2 + (Sr(NO3)2)2 + C2H5NO2 = Sr2La2O3 + H2O + N2 + CO2 =>
(La(NO3)3)2 + (Sr(NO3)2)2 + 6 C2H5NO2 = Sr2La2O3 + 15 H2O + 8 N2 + 12 CO2
Al(NO3)3 + H2O = Al(H2O)3 + NO3 =>
Al(NO3)3 + 3 H2O = Al(H2O)3 + 3 NO3
K2C2O6 + KI = I2 + K2CO3 =>
K2C2O6 + 2 KI = I2 + 2 K2CO3
C12H22O12 + KClO3 = H2O + CO2 + KCl =>
3 C12H22O12 + 23 KClO3 = 33 H2O + 36 CO2 + 23 KCl
MgO + NaOH = NaO + Mg(OH) =>
MgO + NaOH = NaO + Mg(OH)
MnO2 + H2SO4 + FeSO4 = Fe2(SO4)3 + MnSO4 + H2O =>
MnO2 + 2 H2SO4 + 2 FeSO4 = Fe2(SO4)3 + MnSO4 + 2 H2O
Sn{4+} + Ni = Ni{2+} + Sn{2+} =>
Sn{4+} + Ni = Ni{2+} + Sn{2+}
C6H4CH3NO2 + Zn + HCl = C6H5CH3NH3Cl + ZnCl2 + H2O =>
2 C6H4CH3NO2 + 7 Zn + 16 HCl = 2 C6H5CH3NH3Cl + 7 ZnCl2 + 4 H2O
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
MnCl2 + K2CO3 = KCl + MnCO3 =>
MnCl2 + K2CO3 = 2 KCl + MnCO3
Pb(C2H3O2)2(aq) + NaBr(aq) = PbBr2 + NaC2H3O2 =>
Pb(C2H3O2)2(aq) + 2 NaBr(aq) = PbBr2 + 2 NaC2H3O2
Ca + AuCl3 = Au + CaCl3 =>
Ca + AuCl3 = Au + CaCl3
MnSO4 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + Na2SO4 + H2O =>
2 MnSO4 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + NaNO3 + 2 Na2SO4 + 7 H2O
Al(HO)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(HO)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C8H8 + O2 + NH3 = C8H4N2 + H2O =>
2 C8H8 + 5 O2 + 4 NH3 = 2 C8H4N2 + 10 H2O
K2SO4 + H2SO4 = K2(HSO4)2 =>
K2SO4 + H2SO4 = K2(HSO4)2
NaClO + Ni(OH)2 + H2O = NaCl + Ni(OH)3 =>
NaClO + 2 Ni(OH)2 + H2O = NaCl + 2 Ni(OH)3
H2SeO4 + Na2SO3 = Na2SO4 + Se + H2O =>
H2SeO4 + 3 Na2SO3 = 3 Na2SO4 + Se + H2O
Me2 + O2 = MeO =>
Me2 + O2 = 2 MeO
K2O + Al2O3 + H2O = K[Al(OH)4] =>
K2O + Al2O3 + 4 H2O = 2 K[Al(OH)4]
Mg24 + O16 = MgO =>
2 Mg24 + 3 O16 = 48 MgO
Zn + HCl(ac) = ZnCl2(ac) + H2(g) =>
Zn + 2 HCl(ac) = ZnCl2(ac) + H2(g)
NaY + AgNO3 = NaNO3 + AgY =>
NaY + AgNO3 = NaNO3 + AgY
C6H12O + HBr = C6H11Br + H2O =>
C6H12O + HBr = C6H11Br + H2O
H2Se + Ba(OH)2 = H2O + BaSe =>
H2Se + Ba(OH)2 = 2 H2O + BaSe
Cl2 + CoI3 = CoCl2 + I2 =>
2 Cl2 + 2 CoI3 = 2 CoCl2 + 3 I2
CH3CH(Cl)(CH3)CH3 + Cl2 = CH3C(Cl)(CH3)CH3 + HCl =>
2 CH3CH(Cl)(CH3)CH3 + Cl2 = 2 CH3C(Cl)(CH3)CH3 + 2 HCl
O2F2 + Na = Na2O + NaF =>
O2F2 + 6 Na = 2 Na2O + 2 NaF
C13H20O + H2 = C13H26O =>
C13H20O + 3 H2 = C13H26O
CO2 + H2 = C3H8O + H2O =>
3 CO2 + 9 H2 = C3H8O + 5 H2O
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