| Équations équilibrées la veille |
2 HCl + Na2SO4 = 2 NaCl + H2SO4
H2 + KI = HI + K =>
H2 + 2 KI = 2 HI + 2 K
C2H4 + KMnO4 + H2O = C2H6O2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H6O2 + 2 MnO2 + 2 KOH
Ba + Si = Ba2Si =>
2 Ba + Si = Ba2Si
BaONaOH = Ba(OH)NaO =>
BaONaOH = Ba(OH)NaO
HBO2 + H2O = H3BO3 =>
HBO2 + H2O = H3BO3
Li2S + CuSO4 = Li2SO4 + CuS =>
Li2S + CuSO4 = Li2SO4 + CuS
CuOH2NO3 = Cu(NO3)H2O =>
CuOH2NO3 = Cu(NO3)H2O
Ca(OH)2 + H2(SO)4 = Ca(SO)4 + H2O =>
Ca(OH)2 + H2(SO)4 = Ca(SO)4 + 2 H2O
ClO3{-} + SO3{-2} + H{+} = Cl2 + SO4{-2} + H2O =>
2 ClO3{-} + 5 SO3{-2} + 2 H{+} = Cl2 + 5 SO4{-2} + H2O
Br + KI2 = KBr + I =>
Br + KI2 = KBr + 2 I
Na2O4 + C = CO2 + Na2 =>
Na2O4 + 2 C = 2 CO2 + Na2
NHO2 + O2 = HNO3 =>
2 NHO2 + O2 = 2 HNO3
N3 + H2 = NH3 =>
2 N3 + 9 H2 = 6 NH3
CH3NO2 + Zn + H2SO4 = [CH3NH3]2SO4 + H2O + ZnSO4 =>
2 CH3NO2 + 6 Zn + 7 H2SO4 = [CH3NH3]2SO4 + 4 H2O + 6 ZnSO4
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
MnO2 + HCl = Cl2 + H2O + MnCl2 =>
MnO2 + 4 HCl = Cl2 + 2 H2O + MnCl2
C6H5COOHHNO3 = NO2C6H4COOHH2O =>
C6H5COOHHNO3 = NO2C6H4COOHH2O
HNO3 + ZnS = S8 + NO + Zn(NO3)2 + H2O =>
64 HNO3 + 24 ZnS = 3 S8 + 16 NO + 24 Zn(NO3)2 + 32 H2O
Ba + FeCl = BaCl + Fe =>
Ba + FeCl = BaCl + Fe
CuOH + H2SO4 = CuSO4 + SO2 + H2O =>
2 CuOH + 3 H2SO4 = 2 CuSO4 + SO2 + 4 H2O
CH3CH2C(CH3)O + H2CrO4 = CH3CH2CHO + H2CrO =>
9 CH3CH2C(CH3)O + H2CrO4 = 12 CH3CH2CHO + H2CrO
ZnCl2 + Mg(NO3)2 = Zn(NO3)2 + MgCl2 =>
ZnCl2 + Mg(NO3)2 = Zn(NO3)2 + MgCl2
SmCo5 + H2C2O4 + O2 = Sm2O12C6 + CoC2O4 + H2O =>
4 SmCo5 + 26 H2C2O4 + 13 O2 = 2 Sm2O12C6 + 20 CoC2O4 + 26 H2O
B2S3(s) + H2O(g) = H3BO3(aq) + H2S(g) =>
B2S3(s) + 6 H2O(g) = 2 H3BO3(aq) + 3 H2S(g)
ZnCO3 + MgI2 = ZnI2 + MgCO3 =>
ZnCO3 + MgI2 = ZnI2 + MgCO3
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
KHSO3 + HNO3 = KNO3 + SO2 + H2O =>
KHSO3 + HNO3 = KNO3 + SO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
NaOH + ZnO = Zn(OH)2 + Na2O =>
2 NaOH + ZnO = Zn(OH)2 + Na2O
NH4SH = H2S + NH3 =>
NH4SH = H2S + NH3
Ni(OH)Cl + HCl = NiCl2 + H2O =>
Ni(OH)Cl + HCl = NiCl2 + H2O
P + Na = PNa3 =>
P + 3 Na = PNa3
Fe + SiO3 = Fe2(SiO3) =>
2 Fe + SiO3 = Fe2(SiO3)
NaNO3 + HBr = NaBr + HNO2 + O =>
NaNO3 + HBr = NaBr + HNO2 + O
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
C5H10O5(s) + O2(g) = CO2(g) + H2O(l) =>
C5H10O5(s) + 5 O2(g) = 5 CO2(g) + 5 H2O(l)
NaI(ac) + HClO(ac) = NaIO3(ac) + HCl(ac) =>
NaI(ac) + 3 HClO(ac) = NaIO3(ac) + 3 HCl(ac)
Sn + HNO3 + H2O = H2SnO3 + N =>
5 Sn + 4 HNO3 + 3 H2O = 5 H2SnO3 + 4 N
Si + HF + KNO3 = H2SiF6 + KNO2 + H2O =>
Si + 6 HF + 2 KNO3 = H2SiF6 + 2 KNO2 + 2 H2O
CaCO3 + H2O = Ca(OH)2 + CO2 =>
CaCO3 + H2O = Ca(OH)2 + CO2
CH3CH(NH2)COOH + HNO3 = CH3CH(OH)COOH + N2 + H2O =>
5 CH3CH(NH2)COOH + 3 HNO3 = 5 CH3CH(OH)COOH + 4 N2 + 4 H2O
(C2H4NO2){-} + (Co(H2O)6){2+} + H2O2 = Co(C2H4NO2)3 + H2O + OH{-} =>
6(C2H4NO2){-} + 2(Co(H2O)6){2+} + H2O2 = 2 Co(C2H4NO2)3 + 12 H2O + 2 OH{-}
H2SO4 + BaCl2 = H2SCl2 + BaO4 =>
H2SO4 + BaCl2 = H2SCl2 + BaO4
HCe + K2CrO7 = KCe + CrCe3 + Ce2 + H2O =>
28 HCe + 2 K2CrO7 = 4 KCe + 2 CrCe3 + 9 Ce2 + 14 H2O
Pb + PbO2(aq) + H2SO4(aq) = PbSO4(aq) + H2O(l) =>
Pb + PbO2(aq) + 2 H2SO4(aq) = 2 PbSO4(aq) + 2 H2O(l)
KHS + FeCl3 = KCl + Fe(HS)3 =>
3 KHS + FeCl3 = 3 KCl + Fe(HS)3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Li2CO3 + H2SO4 = Li2SO4 + H2CO3 =>
Li2CO3 + H2SO4 = Li2SO4 + H2CO3
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