Équations équilibrées la veille |
Cl2 + 2 KBr = 2 KCl + Br2
SnCl2 + NaOH = Na + NaCl + SnO2 + H2O =>
SnCl2 + 4 NaOH = 2 Na + 2 NaCl + SnO2 + 2 H2O
C8H8 + Br2 = C8H8Br =>
2 C8H8 + Br2 = 2 C8H8Br
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
H2F2 = HF =>
H2F2 = 2 HF
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cl = Cl2 =>
2 Cl = Cl2
NO3 + CuSO4 = Cu(NO3)2 + SO4 =>
2 NO3 + CuSO4 = Cu(NO3)2 + SO4
Au + HNO2 = Au(OH)3 + NO =>
Au + 3 HNO2 = Au(OH)3 + 3 NO
HCOONH4 = HCOOH + NH3 =>
HCOONH4 = HCOOH + NH3
CH3CH2OH + KMnO4 = CH3CHO + MnO2 + K + H2O =>
2 CH3CH2OH + KMnO4 = 2 CH3CHO + MnO2 + K + 2 H2O
NiI2 + H2O = NiO + HI =>
NiI2 + H2O = NiO + 2 HI
NaC = Na + C2 =>
2 NaC = 2 Na + C2
Cs + O2 = Cs2O =>
4 Cs + O2 = 2 Cs2O
Cu + Pb{2+} = Cu{2+} + Pb =>
Cu + Pb{2+} = Cu{2+} + Pb
NaHCO3 = H2O + Na2CO3 + CO2 =>
2 NaHCO3 = H2O + Na2CO3 + CO2
MgBr2Cl2 = MgCl2Br2 =>
MgBr2Cl2 = MgCl2Br2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaN + Cl = NaCl + N =>
NaN + Cl = NaCl + N
FeSO4 + NaOH = NaSO4 + Fe(OH) =>
FeSO4 + NaOH = NaSO4 + Fe(OH)
Al + H3PO4 = Al(HPO4)3 + H2 =>
Al + 3 H3PO4 = Al(HPO4)3 + 3 H2
LiHCO3(s) = Li2CO3(s) + H2O(l) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(l) + CO2(g)
HC2H3O2 + NaCl = HCl + Na(C2H3O2) =>
HC2H3O2 + NaCl = HCl + Na(C2H3O2)
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Cl + Fl = ClFl3 =>
Cl + 3 Fl = ClFl3
Cr + N = CrN2 =>
Cr + 2 N = CrN2
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
Zn(O2CCH3)2 + Na3PO4 = Zn3(PO4)2 + C2H3NaO2 =>
3 Zn(O2CCH3)2 + 2 Na3PO4 = Zn3(PO4)2 + 6 C2H3NaO2
BaS(aq) + HCl(aq) = H2S(g) + BaCl2(aq) =>
BaS(aq) + 2 HCl(aq) = H2S(g) + BaCl2(aq)
Na2SO4 + CuO = CuSO4 + Na2O =>
Na2SO4 + CuO = CuSO4 + Na2O
Ca3N2 + HBr = CaBr2 + NH3 =>
Ca3N2 + 6 HBr = 3 CaBr2 + 2 NH3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NH4NO3 + KCl = NH4 + Cl + KNO3 =>
NH4NO3 + KCl = NH4 + Cl + KNO3
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
KCN + KMnO4 + HCl = KCl + MnCl2 + CO2 + NO + H2O =>
5 KCN + 7 KMnO4 + 26 HCl = 12 KCl + 7 MnCl2 + 5 CO2 + 5 NO + 13 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
In + I = In2I6 =>
2 In + 6 I = In2I6
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
C3H7OH + C2H5COOH = C3H7COOC2H5 + H2O =>
C3H7OH + C2H5COOH = C3H7COOC2H5 + H2O
Na2(S2O3) + HNO3 = NaNO3 + H2O + S + SO2 =>
Na2(S2O3) + 2 HNO3 = 2 NaNO3 + H2O + S + SO2
Ti + H2SO4 = Ti2(SO4)4 + S + H2O =>
6 Ti + 16 H2SO4 = 3 Ti2(SO4)4 + 4 S + 16 H2O
Na2Cr2O7 + NaI + HCl = CrCl3 + I2 + NaCl + H2O =>
Na2Cr2O7 + 6 NaI + 14 HCl = 2 CrCl3 + 3 I2 + 8 NaCl + 7 H2O
K + NaOH = NaKOH =>
K + NaOH = NaKOH
Pb(OH)2 + OH = [Pb(OH)4]2 =>
2 Pb(OH)2 + 4 OH = [Pb(OH)4]2
Mo + N2 = Mo3N2 =>
3 Mo + N2 = Mo3N2
Na2CO3 + Fe = FeCO3 + Na2 =>
Na2CO3 + Fe = FeCO3 + Na2
NaHSO4 + Ca(NO3)2 = CaSO4 + Na2(SO4) + HNO3 =>
2 NaHSO4 + Ca(NO3)2 = CaSO4 + Na2(SO4) + 2 HNO3
Ca + Pb(NO3)3 = Pb + Ca(NO3)3 =>
Ca + Pb(NO3)3 = Pb + Ca(NO3)3
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
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