| Équations équilibrées la veille |
Na2C2O4 + CoCl2 = 2 NaCl + CoC2O4
Mn(CH3COO)2 + (NH4)3PO4 = Mn3(PO4)2 + CH3COONH4 =>
3 Mn(CH3COO)2 + 2(NH4)3PO4 = Mn3(PO4)2 + 6 CH3COONH4
HNO2 + Al = Al(NO2)3 + H2 =>
6 HNO2 + 2 Al = 2 Al(NO2)3 + 3 H2
Ge + H2O = GeO2 + H2 =>
Ge + 2 H2O = GeO2 + 2 H2
NO + KMnO4 + H2SO4 = MnSO4 + Mn(NO3)2 + KNO3 + H2O =>
5 NO + 3 KMnO4 + 2 H2SO4 = 2 MnSO4 + Mn(NO3)2 + 3 KNO3 + 2 H2O
H2SO4 + BaH2 = BaSO4 + H2 =>
H2SO4 + BaH2 = BaSO4 + 2 H2
C6H4(l) + O2(g) = CO2(g) + H2O(g) =>
C6H4(l) + 7 O2(g) = 6 CO2(g) + 2 H2O(g)
CH3NH3Cl + NaOH = CH3NH3OH + NaCl =>
CH3NH3Cl + NaOH = CH3NH3OH + NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
[Cu(NH3)4]SO4 + Sn = Cu + SnSO4 + NH3 =>
[Cu(NH3)4]SO4 + Sn = Cu + SnSO4 + 4 NH3
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
SNS2(s) + O2(g) = SNO2(s) + SO2(g) =>
SNS2(s) + 3 O2(g) = SNO2(s) + 2 SO2(g)
Mg + H2SO4 = MgSO4 + SO2 + H2O =>
Mg + 2 H2SO4 = MgSO4 + SO2 + 2 H2O
Al(OH)3 + NaNO3 = Al(NO3)3 + NaOH =>
Al(OH)3 + 3 NaNO3 = Al(NO3)3 + 3 NaOH
NH4OH + K2[HgI4] + KOH = NH2IHg2O + KI + H2O =>
NH4OH + 2 K2[HgI4] + 3 KOH = NH2IHg2O + 7 KI + 3 H2O
HC2H3O2(aq) + NH4OH(aq) = HC2H3OH + NH4O2 =>
HC2H3O2(aq) + NH4OH(aq) = HC2H3OH + NH4O2
BeS + O2 = BeSO4 =>
BeS + 2 O2 = BeSO4
Cr + K2ClO3 + KOH = K2CrO4 + KCl + H2O =>
5 Cr + 6 K2ClO3 + 4 KOH = 5 K2CrO4 + 6 KCl + 2 H2O
Ag + Zn(OH)2 = Zn + AgOH =>
2 Ag + Zn(OH)2 = Zn + 2 AgOH
K2C2O4*H2O(aq) + FeCl3*6H2O(aq) = FeK3(C2O4)3*3H2O(s) + KCl(aq) + H2O(l) =>
3 K2C2O4*H2O(aq) + FeCl3*6H2O(aq) = FeK3(C2O4)3*3H2O(s) + 3 KCl(aq) + 6 H2O(l)
C6H5NO2 + H2 = C6H5NH3 + H2O =>
2 C6H5NO2 + 7 H2 = 2 C6H5NH3 + 4 H2O
NaHCO3 + H3SO4 = CO2 + H2O + Na3SO4 =>
3 NaHCO3 + H3SO4 = 3 CO2 + 3 H2O + Na3SO4
HBr + KHSO3 = H2SO3 + KBr =>
HBr + KHSO3 = H2SO3 + KBr
Co(OH)(NH3)5Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O =>
Co(OH)(NH3)5Cl2 + HCl = [Co(NH3)5Cl]Cl2 + H2O
H2SO4 + CH3COOH = SO4 + CH3COHOH =>
H2SO4 + 2 CH3COOH = SO4 + 2 CH3COHOH
NI + Cl2 = NICl2 =>
NI + Cl2 = NICl2
H2O + CH3CH2COH = CH3CH2COOH + H =>
H2O + CH3CH2COH = CH3CH2COOH + 2 H
SnSO4 + BAl2 = Al2SO4 + SnB =>
SnSO4 + BAl2 = Al2SO4 + SnB
Fe(OH)3 + SO2 = FeSO4 + H2O + S =>
4 Fe(OH)3 + 5 SO2 = 4 FeSO4 + 6 H2O + S
NH3 + CO2(g) = CN2H4O + H2O =>
2 NH3 + CO2(g) = CN2H4O + H2O
CH3CH2CH3(g) + O2 = CO2(g) + H2O =>
CH3CH2CH3(g) + 5 O2 = 3 CO2(g) + 4 H2O
Al(s) + FeCl3(aq) = AlCl3(aq) + Fe(s) =>
Al(s) + FeCl3(aq) = AlCl3(aq) + Fe(s)
U(s) + F2(g) = UF6(g) =>
U(s) + 3 F2(g) = UF6(g)
HCOOH + H2O = H3O + COOH =>
HCOOH + H2O = H3O + COOH
CuBr2 + H2O = Cu(OH)2 + HBr =>
CuBr2 + 2 H2O = Cu(OH)2 + 2 HBr
N2O4(l) + H2(l) = N2(g) + H2O(g) =>
N2O4(l) + 4 H2(l) = N2(g) + 4 H2O(g)
NaClO3 + HCl = NaCl + ClO3 + H2 =>
2 NaClO3 + 2 HCl = 2 NaCl + 2 ClO3 + H2
Zn + Pb = ZnPb =>
Zn + Pb = ZnPb
Fe + Na = FeNa3 =>
Fe + 3 Na = FeNa3
F2 + Cl = FCl =>
F2 + 2 Cl = 2 FCl
MnO2 + Pb3O4 = MnO4 + Pb =>
2 MnO2 + Pb3O4 = 2 MnO4 + 3 Pb
S + Br = SBr6 =>
S + 6 Br = SBr6
KSCN + Pb(NO3)2 = Pb(SCN)2 + KNO3 =>
2 KSCN + Pb(NO3)2 = Pb(SCN)2 + 2 KNO3
H3AsO4 + H2O = AsH3 + OH =>
H3AsO4 + 4 H2O = AsH3 + 8 OH
CrOH(SO4) + HCOOH = Cr(COOH)(SO4) + H2O =>
CrOH(SO4) + HCOOH = Cr(COOH)(SO4) + H2O
CuS + H2O2 + HCl = CuCl2 + S + H2O =>
CuS + H2O2 + 2 HCl = CuCl2 + S + 2 H2O
CuSO4 + NH3 = CuSO4NH3 =>
CuSO4 + NH3 = CuSO4NH3
CaCl2 + Fe(NO3)2 = Ca(NO3)2 + FeCl2 =>
CaCl2 + Fe(NO3)2 = Ca(NO3)2 + FeCl2
H4SiO4 + NaOH = Na2O*SiO2 + H2O =>
H4SiO4 + 2 NaOH = Na2O*SiO2 + 3 H2O
Cu{+2} + S{-2} = CuS =>
Cu{+2} + S{-2} = CuS
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