Équations équilibrées la veille |
Zn + H2SO4 = H2 + ZnSO4
KOH + H2(SO3)2 = K(SO3) + H2O =>
2 KOH + H2(SO3)2 = 2 K(SO3) + 2 H2O
KCl + HCl = HK + Cl =>
KCl + HCl = HK + 2 Cl
NO2 + H2O = HNO2 + NHO3 =>
2 NO2 + H2O = HNO2 + NHO3
FeCl2 + CuSO4 = CuCl2 + FeSO4 =>
FeCl2 + CuSO4 = CuCl2 + FeSO4
NaO + HF = NaF + HO =>
NaO + HF = NaF + HO
Fe(NO3)3 + Ca(NO3)2 + C2H6O2 + NaOH = CaFe2O4 + Na2CO3 + H2O + NO2 =>
10 Fe(NO3)3 + 5 Ca(NO3)2 + 4 C2H6O2 + 16 NaOH = 5 CaFe2O4 + 8 Na2CO3 + 20 H2O + 40 NO2
SeO3{2-} + H{+} = H2SeO3 =>
SeO3{2-} + 2 H{+} = H2SeO3
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
H3[SbCl6] + H2O = Sb(OH)3 + HCl =>
H3[SbCl6] + 3 H2O = Sb(OH)3 + 6 HCl
CuSO4 + NaI = Cu + I + Na2SO4 =>
CuSO4 + 2 NaI = Cu + 2 I + Na2SO4
MgBr2 + (NH4)2CO3 = MgCO3 + (NH4)2Br2 =>
MgBr2 + (NH4)2CO3 = MgCO3 + (NH4)2Br2
Hg(Cl2) + Al(C2H3O2) = Al(Cl2) + Hg(C2H3O2) =>
Hg(Cl2) + Al(C2H3O2) = Al(Cl2) + Hg(C2H3O2)
KMnO4 + KCl + H2O = KClO4 + KOH + MnO2 =>
8 KMnO4 + 3 KCl + 4 H2O = 3 KClO4 + 8 KOH + 8 MnO2
H + As2S5 + KClO3 = H3AsO4 + H2SO4 + KCl =>
48 H + 3 As2S5 + 28 KClO3 = 6 H3AsO4 + 15 H2SO4 + 28 KCl
C6H5COH + [Ag(NH3)2]OH = Ag + C6H5COONH4 + NH3 + H2O =>
C6H5COH + 2[Ag(NH3)2]OH = 2 Ag + C6H5COONH4 + 3 NH3 + H2O
OsH6 + O2 = OsO3 + H2 =>
2 OsH6 + 3 O2 = 2 OsO3 + 6 H2
C6H5CO3 + O2 = CO2 + H2O =>
4 C6H5CO3 + 27 O2 = 28 CO2 + 10 H2O
NO2 + Mg(OH)2 = H2O + MgNO3 =>
NO2 + Mg(OH)2 = H2O + MgNO3
K{2}0 = K + {2} =>
K{2}0 = K + {2}
Cu(NO3)2 + H2O = HNO3 + CuO =>
Cu(NO3)2 + H2O = 2 HNO3 + CuO
Al2(CO3)3 + HNO3 = Al(NO3)3 + H2CO3 =>
Al2(CO3)3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2CO3
S(NH4)2 + MgCl2 = SCl2 + Mg(NH4)2 =>
S(NH4)2 + MgCl2 = SCl2 + Mg(NH4)2
CH3COOH + LiAlH4 + H2O = CH3CH2OH + LiOH + Al(OH)3 =>
2 CH3COOH + LiAlH4 + 2 H2O = 2 CH3CH2OH + LiOH + Al(OH)3
Mg(s) + Pb(NO3)(aq) = Mg(NO3)(aq) + Pb(aq) =>
Mg(s) + Pb(NO3)(aq) = Mg(NO3)(aq) + Pb(aq)
BaS + PbCl2 = BaCl2 + PbS =>
BaS + PbCl2 = BaCl2 + PbS
CH3COOH(aq) + NaHCO3(s) = CO2 + CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaHCO3(s) = CO2 + CH3COONa(aq) + H2O(l)
BeO + H2O = BeOOH2 =>
BeO + H2O = BeOOH2
C + O2 + N + H2 = H2NCH2COOH(s) =>
4 C + 2 O2 + 2 N + 5 H2 = 2 H2NCH2COOH(s)
XeF2 + CF3CO2H = Xe(O2CCF3)2 + HF =>
XeF2 + 2 CF3CO2H = Xe(O2CCF3)2 + 2 HF
P2O5 + KOH = K2HPO4 + H2O =>
P2O5 + 4 KOH = 2 K2HPO4 + H2O
Na2C2O4 + CoCl2 = NaCl + CoC2O4 =>
Na2C2O4 + CoCl2 = 2 NaCl + CoC2O4
CH3CH(CH3)(CH2)2OH + (HO)C6H4CO2H = (HO)C6H4CO2CH2CH2CH(CH3)2 + HOH =>
CH3CH(CH3)(CH2)2OH + (HO)C6H4CO2H = (HO)C6H4CO2CH2CH2CH(CH3)2 + HOH
Fe + S8 + HCl = H2S + FeCl3 =>
16 Fe + 3 S8 + 48 HCl = 24 H2S + 16 FeCl3
H2SO4 + NH3 = H2O + HNO3 + S =>
4 H2SO4 + 3 NH3 = 7 H2O + 3 HNO3 + 4 S
[BiI4] + H2O = BiOI + I + H =>
[BiI4] + H2O = BiOI + 3 I + 2 H
Hq + S = HqS =>
Hq + S = HqS
SiBr4 + H2O = HBrO + SiH4 =>
SiBr4 + 4 H2O = 4 HBrO + SiH4
NH3 + KHSO4 = NH4HSO4 + K2SO4 =>
NH3 + 2 KHSO4 = NH4HSO4 + K2SO4
KAu(CN)2 + HCl = HCN + KCl + AuCN =>
KAu(CN)2 + HCl = HCN + KCl + AuCN
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
NaIO3 + SO2 + H2O = NaHSO4 + H2SO4 + I2 =>
2 NaIO3 + 5 SO2 + 4 H2O = 2 NaHSO4 + 3 H2SO4 + I2
HgCl2 + HCl = HgCl3 + H2 =>
2 HgCl2 + 2 HCl = 2 HgCl3 + H2
NiCl2*6H2O + [Ni(NH3)6] = Ni(NH3) + H2O + Cl2 =>
5 NiCl2*6H2O + [Ni(NH3)6] = 6 Ni(NH3) + 30 H2O + 5 Cl2
NH3(g) + O2(g) = NO2(g) + H2O(i) =>
4 NH3(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(i)
SnCl2 + NaOH + Bi(NO3)2 = Na2[Sn(OH)6] + Bi + NaNO3 + NaCl =>
SnCl2 + 6 NaOH + Bi(NO3)2 = Na2[Sn(OH)6] + Bi + 2 NaNO3 + 2 NaCl
BaBr2 + SrSO4 = BaSO4 + SrBr2 =>
BaBr2 + SrSO4 = BaSO4 + SrBr2
H2 + Br2 = HBr = H2 + BR2 = =>
H2 + Br2 = 2 HBr
CH2ClCOOH + NaOH = CH2ClCOONa + H2O =>
CH2ClCOOH + NaOH = CH2ClCOONa + H2O
K4Fe(CN)6 + SrCl2 = KCl + Sr2Fe(CN)6 =>
K4Fe(CN)6 + 2 SrCl2 = 4 KCl + Sr2Fe(CN)6
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