| Équations équilibrées la veille |
Na2ZnOH4 + H2O = 2 NaOH + Zn + 2 H2
BaO2 + H2SO4 = Ba(SO4)2 + H2O =>
BaO2 + 2 H2SO4 = Ba(SO4)2 + 2 H2O
Cu + NiO = CuO + Ni =>
Cu + NiO = CuO + Ni
K2HPO4 + NaOH = K3PO4 + H2O + Na3PO4 =>
3 K2HPO4 + 3 NaOH = 2 K3PO4 + 3 H2O + Na3PO4
Ba(HCO3)2 + AgNO3 = Ba(NO3)2 + Ag2O + H2O + CO2 =>
Ba(HCO3)2 + 2 AgNO3 = Ba(NO3)2 + Ag2O + H2O + 2 CO2
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
Zn2 + Xr6Zn6H12 = XrZn2 + H2Zn =>
6 Zn2 + Xr6Zn6H12 = 6 XrZn2 + 6 H2Zn
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + KHSO4 =>
K2Cr2O7 + 5 H2SO4 + 3 CH3CH2OH = Cr2(SO4)3 + 7 H2O + 3 CH3CHO + 2 KHSO4
C9H8O4 + NaOH = C7H4O3Na2 + CH3COONa =>
5 C9H8O4 + 21 NaOH = C7H4O3Na2 + 19 CH3COONa
NH2 + H2SO4 = NH4SO4 =>
NH2 + H2SO4 = NH4SO4
C3H6Cl2 + KOH = C3H6(OH)2 + KCl =>
C3H6Cl2 + 2 KOH = C3H6(OH)2 + 2 KCl
AgBr2 = Br2 + Ag =>
AgBr2 = Br2 + Ag
NO3 + HOH = NH3 + OH =>
NO3 + 6 HOH = NH3 + 9 OH
Na + HNO3 = NaNO3 + N2O + H2O =>
8 Na + 10 HNO3 = 8 NaNO3 + N2O + 5 H2O
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
RaMoO3 + Al2O3 = RaO + MoAlO2 + O2 =>
4 RaMoO3 + 2 Al2O3 = 4 RaO + 4 MoAlO2 + 3 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
SO2 + KIO3 + H2O = H2SO4 + I2 + K2SO4 =>
5 SO2 + 2 KIO3 + 4 H2O = 4 H2SO4 + I2 + K2SO4
SO3 + P2O5 = P2SO8 =>
SO3 + P2O5 = P2SO8
NH4SCN + FeCl3 = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN + FeCl3 = 3 NH3 + 3 HCl + Fe(SCN)3
Cr + HNO3 = Cr(NO3) + H2O + NO2 =>
Cr + 2 HNO3 = Cr(NO3) + H2O + NO2
Zn + Cr(NO3)3 = ZnNO3 + Cr(NO3)2 =>
Zn + Cr(NO3)3 = ZnNO3 + Cr(NO3)2
NiCl2 + CuSO4 = NiCu + Cl2SO4 =>
NiCl2 + CuSO4 = NiCu + Cl2SO4
HNO3 + NH3 = H2O + NH4(NO)3 =>
7 HNO3 + 9 NH3 = 9 H2O + 4 NH4(NO)3
NCl3 + H2O = HClO + NH3 =>
NCl3 + 3 H2O = 3 HClO + NH3
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
HOCOOH + H2O = HOCOO{-} + H3O{+} =>
HOCOOH + H2O = HOCOO{-} + H3O{+}
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3 =>
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg + H3PO3 = Mg3(PO3)2 + H2 =>
3 Mg + 2 H3PO3 = Mg3(PO3)2 + 3 H2
Mg(CIO3)2 = Mg + (CIO3)2 =>
Mg(CIO3)2 = Mg + (CIO3)2
H2S + Na2Cr2O7 + H2SO4 = Cr(OH)3 + S + NaOH =>
15 H2S + 4 Na2Cr2O7 + H2SO4 = 8 Cr(OH)3 + 16 S + 8 NaOH
H{+} + Cr2O7{2-} + SO2 = Cr{3+} + SO4{2-} + H2O =>
2 H{+} + Cr2O7{2-} + 3 SO2 = 2 Cr{3+} + 3 SO4{2-} + H2O
Mg(CIO3)2 = Mg + (CIO3)2 =>
Mg(CIO3)2 = Mg + (CIO3)2
C3H6Cl2 + NaOH = C3H6(OH)2 + NaCl =>
C3H6Cl2 + 2 NaOH = C3H6(OH)2 + 2 NaCl
(NH4)2Cr2O7 + AgNO3 = NH4NO3 + Ag2Cr2O7 =>
(NH4)2Cr2O7 + 2 AgNO3 = 2 NH4NO3 + Ag2Cr2O7
I2O7 + Al2O3 = Al(IO4)3 =>
3 I2O7 + Al2O3 = 2 Al(IO4)3
HCHO2 + OH = H2O + CO2 =>
HCHO2 + 2 OH = 2 H2O + CO2
As + NaOCl + NaOH = Na3AsO3 + NaCl + H2O =>
2 As + 3 NaOCl + 6 NaOH = 2 Na3AsO3 + 3 NaCl + 3 H2O
Fe2O3 + H2SO4 = Fe2(SO4)3 + H + O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 6 H + 3 O
Na2(CO3) + BaCl2 = NaCl + Ba2(CO3)2 =>
2 Na2(CO3) + 2 BaCl2 = 4 NaCl + Ba2(CO3)2
(NH4)OH + Al2(SO4)3 = (NH4)2SO4 + Al(OH)3 =>
6(NH4)OH + Al2(SO4)3 = 3(NH4)2SO4 + 2 Al(OH)3
KMnO4 + CaC2O4 + H2SO4 = MnSO4 + Ca2SO4 + CO2 + K2SO4 + H2O =>
2 KMnO4 + 10 CaC2O4 + 8 H2SO4 = 2 MnSO4 + 5 Ca2SO4 + 20 CO2 + K2SO4 + 8 H2O
MnO2 + Na2CO3 + KNO3 = CO2 + Na2MnO4 + KNO2 =>
MnO2 + Na2CO3 + KNO3 = CO2 + Na2MnO4 + KNO2
Fe3 + CoC4 = FeC + Co =>
4 Fe3 + 3 CoC4 = 12 FeC + 3 Co
HClO3 + RbOH = H2O + Rb(ClO3) =>
HClO3 + RbOH = H2O + Rb(ClO3)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al2(SO)4 + Ca(oh)2 = Al(oh)3 + Ca(SO)4 =>
6 Al2(SO)4 + 3 Ca(oh)2 = 4 Al(oh)3 + 6 Ca(SO)4
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