| Équations équilibrées la veille |
Ag(NH3)2NO3 + NaHCO3 + HCOOH = NaCOOH + 2 H2O + CO(NH2)2 + AgNO3
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
H2O = H22 + O2 =>
22 H2O = 2 H22 + 11 O2
SO3 + NaCl = ClSO3 + Na =>
SO3 + NaCl = ClSO3 + Na
ZnSO4 + NH3 + H2O = Zn(OH)2 + (NH4)2 + SO4 =>
ZnSO4 + 2 NH3 + 2 H2O = Zn(OH)2 + (NH4)2 + SO4
Al{3+} + CH3COCH2COCH3 = Al(CH3COCHCOCH3)3 + H{+} =>
Al{3+} + 3 CH3COCH2COCH3 = Al(CH3COCHCOCH3)3 + 3 H{+}
Ni(OH)3 + HCO = Ni(CO)3 + H2O =>
Ni(OH)3 + 3 HCO = Ni(CO)3 + 3 H2O
S8 + O2 = S3O4 =>
3 S8 + 16 O2 = 8 S3O4
Na2CrO4 + HNO3 + Al = Cr(NO3)3 + Al(NO3)3 + NaNO3 + H2O =>
Na2CrO4 + 8 HNO3 + Al = Cr(NO3)3 + Al(NO3)3 + 2 NaNO3 + 4 H2O
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
AsH3 + O2 = AsO + H2O =>
4 AsH3 + 5 O2 = 4 AsO + 6 H2O
AgNO3 + CdI2 = AgI2 + CdNO3 =>
AgNO3 + CdI2 = AgI2 + CdNO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2Cr2O7 + Na2S + H2O = Cr(OH)3 + Na2S2O3 + NaOH =>
4 Na2Cr2O7 + 6 Na2S + 19 H2O = 8 Cr(OH)3 + 3 Na2S2O3 + 14 NaOH
KClO3 + H2C2O4 = K2C2O4 + CO2 + ClO2 + H2O =>
2 KClO3 + 2 H2C2O4 = K2C2O4 + 2 CO2 + 2 ClO2 + 2 H2O
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cr2(SO4)3 + (NH4)2S2O8 + H2O = H2Cr2O7 + (NH4)2SO4 + H2SO4 =>
Cr2(SO4)3 + 3(NH4)2S2O8 + 7 H2O = H2Cr2O7 + 3(NH4)2SO4 + 6 H2SO4
BaBr2 + Na2CO3 = BaCO3 + Na + Br =>
BaBr2 + Na2CO3 = BaCO3 + 2 Na + 2 Br
CuS + BaCl2 = CuCl2 + BaS =>
CuS + BaCl2 = CuCl2 + BaS
K[BiI4] + H2O = BiOI + KI + HI =>
K[BiI4] + H2O = BiOI + KI + 2 HI
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Cu + SO4{-2} + H{+} = SO2 + Cu{+2} + H2O =>
Cu + SO4{-2} + 4 H{+} = SO2 + Cu{+2} + 2 H2O
Mn + HBr = MnBr3 + H2 =>
2 Mn + 6 HBr = 2 MnBr3 + 3 H2
AgN + Na2S = Ag2S + NaN =>
2 AgN + Na2S = Ag2S + 2 NaN
FeSO4*7H2O + BaCl2 = FeCl2 + BaSO4 + H2O =>
FeSO4*7H2O + BaCl2 = FeCl2 + BaSO4 + 7 H2O
Zn2Fe4(OH)12SO4 = Zn2Fe4O(OH)12 + SO2 + O2 =>
2 Zn2Fe4(OH)12SO4 = 2 Zn2Fe4O(OH)12 + 2 SO2 + O2
H2 + NO2 + O2 = HNO3 =>
H2 + 2 NO2 + O2 = 2 HNO3
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn(NH3)4{+2} + K{+} + Fe(CN)6{-4} = K2Zn3[Fe(CN)6]2 + NH3 =>
3 Zn(NH3)4{+2} + 2 K{+} + 2 Fe(CN)6{-4} = K2Zn3[Fe(CN)6]2 + 12 NH3
K2CrO4 + KNO2 + KOH + H2O = KNO3 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 KNO2 + 2 KOH + 5 H2O = 3 KNO3 + 2 K3[Cr(OH)6]
BaN2(s) = Ba(s) + N2(g) =>
BaN2(s) = Ba(s) + N2(g)
MnO + H{+} + PbO2 = MnO4{-} + H2O + Pb{3+} =>
MnO + 14 H{+} + 5 PbO2 = MnO4{-} + 7 H2O + 5 Pb{3+}
C + FeO = Fe + CO2 =>
C + 2 FeO = 2 Fe + CO2
C6H5CH3NO2 + KMnO4 + H2SO4 = C6H5COOHNO2 + H2O + K2SO4 + MnSO4 =>
5 C6H5CH3NO2 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOHNO2 + 14 H2O + 3 K2SO4 + 6 MnSO4
C6H15N + CH3Cl = C7H18ClN =>
C6H15N + CH3Cl = C7H18ClN
Ca5(PO4)3F + SiO2 + C = CaSiO3 + CaF2 + CO2 + P4 =>
4 Ca5(PO4)3F + 18 SiO2 + 15 C = 18 CaSiO3 + 2 CaF2 + 15 CO2 + 3 P4
TiCl4 + H2S = TiS2 + HCl =>
TiCl4 + 2 H2S = TiS2 + 4 HCl
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Na2SO4(aq) + Pb(NO3)2(aq) = PbSO4(aq) + NaNO3(aq) =>
Na2SO4(aq) + Pb(NO3)2(aq) = PbSO4(aq) + 2 NaNO3(aq)
NaOH + NiCl2 = NaCl + Ni(OH)2 =>
2 NaOH + NiCl2 = 2 NaCl + Ni(OH)2
NaO + Al = Al2O3 + Na =>
3 NaO + 2 Al = Al2O3 + 3 Na
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 CuFeS2 + 32 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)3 + 6 H2SO4 + 17 NO + 10 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Ba(CH3COO)2 + (NH4)2SO4 = BaSO4 + CH3COONH4 =>
Ba(CH3COO)2 + (NH4)2SO4 = BaSO4 + 2 CH3COONH4
K2CrO7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
2 K2CrO7 + 18 KI + 14 H2SO4 = Cr2(SO4)3 + 11 K2SO4 + 9 I2 + 14 H2O
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