| Équations équilibrées la veille |
2 Cr2O3 + 3 Pb = 3 PbO2 + 4 Cr
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
FeSO + O2 = Fe2O3 + SO3 =>
4 FeSO + 7 O2 = 2 Fe2O3 + 4 SO3
CrO2 + ClO = CrO4 + Cl =>
CrO2 + 2 ClO = CrO4 + 2 Cl
C6H5CH3 = C7H8 =>
C6H5CH3 = C7H8
HaHCO3 = Ha2CO3 + H2O + CO2 =>
2 HaHCO3 = Ha2CO3 + H2O + CO2
C2H4N4 + C3H7NO + BaH18O10 = Ba10C60 + NH3 + CO2 =>
445 C2H4N4 + 260 C3H7NO + 140 BaH18O10 = 14 Ba10C60 + 2040 NH3 + 830 CO2
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
NaHCO3(s) + H2SO4 = Na2SO4 + CO2(g) + H2O(l) =>
2 NaHCO3(s) + H2SO4 = Na2SO4 + 2 CO2(g) + 2 H2O(l)
PbNO3 + (NH4)2CrO4 = Pb2CrO4 + NH4NO3 =>
2 PbNO3 + (NH4)2CrO4 = Pb2CrO4 + 2 NH4NO3
N2 + H1 = NH3 =>
N2 + 6 H1 = 2 NH3
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CO2 + HNO3 = C(NO3)4 + H2O =>
CO2 + 4 HNO3 = C(NO3)4 + 2 H2O
HSO3 + H2O = H2SO4 + H3O =>
HSO3 + 2 H2O = H2SO4 + H3O
Fe3O4 + CH4 = Fe + CO + H2 =>
Fe3O4 + 4 CH4 = 3 Fe + 4 CO + 8 H2
BaO + Al = Ba + AlO3 =>
3 BaO + Al = 3 Ba + AlO3
K2CrO4 + CO = CO2 + CrO2 + K2O =>
K2CrO4 + CO = CO2 + CrO2 + K2O
BaCl + NaH2PO4 = BaH2PO4 + NaCl =>
BaCl + NaH2PO4 = BaH2PO4 + NaCl
SiH4 + H2O = H2 + SiO2 =>
SiH4 + 2 H2O = 4 H2 + SiO2
NH4OH + NaOH = NH4 + NaO + H2O =>
NH4OH + NaOH = NH4 + NaO + H2O
K2 + SO3 = K2SO3 =>
K2 + SO3 = K2SO3
C6H2O + O2 = H2O + CO2 =>
C6H2O + 6 O2 = H2O + 6 CO2
Mn(NO3) + HNO3 + PbO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3) + 4 HNO3 + 3 PbO3 = 2 HMnO4 + 3 Pb(NO3)2 + H2O
CrO2 + OH = CrO4 + H2O =>
CrO2 + 4 OH = CrO4 + 2 H2O
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
Sn(s) + H2SO4 = Sn(SO4)3 + H2 =>
Sn(s) + 3 H2SO4 = Sn(SO4)3 + 3 H2
HNa + CH3Cl = NaCl + CH4 =>
HNa + CH3Cl = NaCl + CH4
SiO2 + NaHCO3 = Na2SiO3 + H2O + CO2 =>
SiO2 + 2 NaHCO3 = Na2SiO3 + H2O + 2 CO2
CH3CHO + O2 = H2O + CO2 =>
2 CH3CHO + 5 O2 = 4 H2O + 4 CO2
Al(OH)4 + HOOCCH3 = Al(OOCCH3)4 + H2O =>
Al(OH)4 + 4 HOOCCH3 = Al(OOCCH3)4 + 4 H2O
KCl(aq) + I2(s) = Cl2(g) + KI(s) =>
2 KCl(aq) + I2(s) = Cl2(g) + 2 KI(s)
KMnO4 + C2H4O + KOH = C2H4O2 + K2MnO4 + H2 =>
2 KMnO4 + 2 C2H4O + 2 KOH = 2 C2H4O2 + 2 K2MnO4 + H2
COCl2 + NH3 + H2O = NH4Cl + (NH4)2CO3 =>
COCl2 + 4 NH3 + 2 H2O = 2 NH4Cl + (NH4)2CO3
Pb + CrO3 = PbCrO3 =>
Pb + CrO3 = PbCrO3
C16H14O3 + NaBH4 + CH3OH = C16H16O3 + C4H12BNaO4 =>
4 C16H14O3 + NaBH4 + 4 CH3OH = 4 C16H16O3 + C4H12BNaO4
C8H18 + O2 = CO2 + H2O25 =>
2 C8H18 + 241 O2 = 16 CO2 + 18 H2O25
H2S + Zn(OH)2 = H2O + ZnS =>
H2S + Zn(OH)2 = 2 H2O + ZnS
K2Cr2O7 + H2SO4 + K2SO3 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 K2SO3 = 4 K2SO4 + Cr2(SO4)3 + 4 H2O
N2 + Mg = N2Mg2 =>
N2 + 2 Mg = N2Mg2
CH3CH2CH2H3 + O2 = CO2 + H2O =>
2 CH3CH2CH2H3 + 11 O2 = 6 CO2 + 10 H2O
K2ZnO2 + HCl = KCl + ZnCl2 + H2O =>
K2ZnO2 + 4 HCl = 2 KCl + ZnCl2 + 2 H2O
CH3COOH + CH3(CH2)2CH2OH = CH3CH2COO(CH2)3CH3 + H2O =>
4 CH3COOH + 5 CH3(CH2)2CH2OH = 4 CH3CH2COO(CH2)3CH3 + 5 H2O
C4H6 + Br2 = C6H2Br + HBr =>
3 C4H6 + 8 Br2 = 2 C6H2Br + 14 HBr
F + AlBr3 = AlF3 + Br2 =>
6 F + 2 AlBr3 = 2 AlF3 + 3 Br2
FeBr3 + HNO3 = Fe(NO3)3 + NO + H2O + Br2 =>
2 FeBr3 + 8 HNO3 = 2 Fe(NO3)3 + 2 NO + 4 H2O + 3 Br2
Al(OH)3 + CH3COOH = Al2 + H2O + CH3COO =>
2 Al(OH)3 + 6 CH3COOH = Al2 + 6 H2O + 6 CH3COO
HCHO + NH4Cl = CH3NH3Cl + HCOOH =>
2 HCHO + NH4Cl = CH3NH3Cl + HCOOH
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
H2Cr2O7 + H2S = Cr2O3 + S + H2O =>
H2Cr2O7 + 3 H2S = Cr2O3 + 3 S + 4 H2O
K2SO3 + Na2SiO3 = K2SiO3 + Na2SO3 =>
K2SO3 + Na2SiO3 = K2SiO3 + Na2SO3
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