| Équations équilibrées la veille |
3 NaOH + PO4 = Na3PO4 + 3 OH
NaClO2 + HI = NaCl + I2 + H2O =>
NaClO2 + 4 HI = NaCl + 2 I2 + 2 H2O
Al(NO3)3 + KOH = Al(OH)3 + KNO3Al(NO3)3 =>
4 Al(NO3)3 + 3 KOH = Al(OH)3 + 3 KNO3Al(NO3)3
FeO3 + HBr = FeBr5 + H2O + Br2 =>
2 FeO3 + 12 HBr = 2 FeBr5 + 6 H2O + Br2
Ca3H8 + O2 = CaO2 + H2O =>
Ca3H8 + 5 O2 = 3 CaO2 + 4 H2O
Y(NO3)3*6H2O + Ba(NO3)2 + Cu(NO3)2*3H2O + CH4ON2 = YBa2Cu3O7 + CO2 + H2O + NO2 =>
7 Y(NO3)3*6H2O + 14 Ba(NO3)2 + 21 Cu(NO3)2*3H2O + 6 CH4ON2 = 7 YBa2Cu3O7 + 6 CO2 + 117 H2O + 103 NO2
SrCl2 + NaBr = SrBr2 + NaCl =>
SrCl2 + 2 NaBr = SrBr2 + 2 NaCl
CaCO3(s) + HCl(aq) = CaCl2(s) + CO2(g) + H2O =>
CaCO3(s) + 2 HCl(aq) = CaCl2(s) + CO2(g) + H2O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(g) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(g)
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Zn(NH2)2 = Zn3N2 + NH3 =>
3 Zn(NH2)2 = Zn3N2 + 4 NH3
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
MnO4{-} + I{-} + OH{-} = Mn{4-} + IO3{-} + H2O =>
6 MnO4{-} + 11 I{-} + 18 OH{-} = 6 Mn{4-} + 11 IO3{-} + 9 H2O
CO3 + H2 = CO + H2O =>
CO3 + 2 H2 = CO + 2 H2O
CH3COOH + Na2CO3 = CO2 + CH3COONa + H2O =>
2 CH3COOH + Na2CO3 = CO2 + 2 CH3COONa + H2O
Fe2(CO3)3 + Ca(OH)2 = Fe(OH)3 + CaCO3 =>
Fe2(CO3)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCO3
C6H5COOH + NaOH = H2O + NaC6H5COO =>
C6H5COOH + NaOH = H2O + NaC6H5COO
Co(II)Cl + NaOH = Co(II)(OH) + NaCl =>
Co(II)Cl + NaOH = Co(II)(OH) + NaCl
CH3CH2OMgCl + CH3CH2Cl = MgCl2 + CH3CH2OCH2CH3 =>
CH3CH2OMgCl + CH3CH2Cl = MgCl2 + CH3CH2OCH2CH3
FeCl2 + H2O = HCl + FeO =>
FeCl2 + H2O = 2 HCl + FeO
PbOH2SO4 = PbSO4H2O =>
PbOH2SO4 = PbSO4H2O
HCl + MnO4 = MnCl + Cl2 + H2O =>
16 HCl + 2 MnO4 = 2 MnCl + 7 Cl2 + 8 H2O
SiO2 + C + N2 = Si3N4 + CO2 =>
3 SiO2 + 3 C + 2 N2 = Si3N4 + 3 CO2
CuS = Cu1S =>
CuS = Cu1S
Ba(OH)2 + H2CO3 = BaH2 + CO3(OH)2 =>
Ba(OH)2 + H2CO3 = BaH2 + CO3(OH)2
H2O + Cu(NO3)2 = Cu(OH)2 + HNO3 =>
2 H2O + Cu(NO3)2 = Cu(OH)2 + 2 HNO3
CuSO4 + CuCl2 = CuSO4CuCl2 =>
CuSO4 + CuCl2 = CuSO4CuCl2
C18H21NO4 + O2 = CO2 + H2O + NO2 =>
4 C18H21NO4 + 89 O2 = 72 CO2 + 42 H2O + 4 NO2
SN + NO2 = SNO + NO =>
SN + NO2 = SNO + NO
C2H2Br2 + KOH = C2H4 + BrK + O =>
C2H2Br2 + 2 KOH = C2H4 + 2 BrK + 2 O
F + NaCl = FNaCl =>
F + NaCl = FNaCl
Sn + BaCl2 = SnCl2 + Ba =>
Sn + BaCl2 = SnCl2 + Ba
CH3COOK + Ba(OH)2 = Ba(C2H3O2)2 + KOH =>
2 CH3COOK + Ba(OH)2 = Ba(C2H3O2)2 + 2 KOH
C14H10O2 + NaBH4 + H3O = C14H1402 + NaOH + H3BO3 =>
2 C14H10O2 + 233 NaBH4 + 928 H3O = 2 C14H1402 + 233 NaOH + 233 H3BO3
ZnS + O2 = ZnO + S =>
2 ZnS + O2 = 2 ZnO + 2 S
RbOH + HCl = RbCl + HOH =>
RbOH + HCl = RbCl + HOH
C5H10O + CH3MgBr = C6H11OH + MgBrH =>
C5H10O + CH3MgBr = C6H11OH + MgBrH
Mg + Fe = Mg3Fe6 =>
3 Mg + 6 Fe = Mg3Fe6
KMnO4 + CrSO4 + H2SO4 = MnSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
2 KMnO4 + 10 CrSO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Cr2(SO4)3 + 8 H2O
MgS + HCl = MgH + SCl =>
MgS + HCl = MgH + SCl
Cl + NaHO = NaHClO =>
Cl + NaHO = NaHClO
H2CaO + H2O = Ca(OH)2 + H2 =>
H2CaO + H2O = Ca(OH)2 + H2
I2 + H2 = I12H5 =>
12 I2 + 5 H2 = 2 I12H5
CaCO3 + KSCN = CaCN + KSCO3 =>
CaCO3 + KSCN = CaCN + KSCO3
NiS(g) + HCl(g) + HNO3(g) = NiCl2(g) + NO(g) + S(g) + H2O(g) =>
3 NiS(g) + 6 HCl(g) + 2 HNO3(g) = 3 NiCl2(g) + 2 NO(g) + 3 S(g) + 4 H2O(g)
Fe(No3)3 + K2S + H2O = Fe(OH)3 + H2S + KNo3 =>
2 Fe(No3)3 + 3 K2S + 6 H2O = 2 Fe(OH)3 + 3 H2S + 6 KNo3
FeO2 + NaCN + H2O = Fe(CN)2 + NaOH + O2 =>
2 FeO2 + 4 NaCN + 2 H2O = 2 Fe(CN)2 + 4 NaOH + O2
KI + C6H10O5 + HClO3 = C6H10O5I2 + KClO3 + H2 =>
2 KI + C6H10O5 + 2 HClO3 = C6H10O5I2 + 2 KClO3 + H2
PbSO4 + NaOH = Pb + PbO2 + Na2SO4 + H2O =>
2 PbSO4 + 4 NaOH = Pb + PbO2 + 2 Na2SO4 + 2 H2O
NaOH + Ca(HSO3)2 = CaSO3 + Na2SO3 + H2O =>
2 NaOH + Ca(HSO3)2 = CaSO3 + Na2SO3 + 2 H2O
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