Équations équilibrées la veille |
2 Na + 2 H2O = 2 NaOH + H2
FeS + HCl = FeCl2 + H2S = =>
FeS + 2 HCl = FeCl2 + H2S
Na2CO3 + Ca(OH)2 + Al(OH)3 = NaAlO2 + CaCO3 + H2O =>
Na2CO3 + Ca(OH)2 + 2 Al(OH)3 = 2 NaAlO2 + CaCO3 + 4 H2O
HNO3 + Ca3(BO3)2 = Ca(NO3)2 + H3BO3 =>
6 HNO3 + Ca3(BO3)2 = 3 Ca(NO3)2 + 2 H3BO3
Cd{2+} + Pb = Pb{2+} + Cd =>
Cd{2+} + Pb = Pb{2+} + Cd
H2O + N2O4 + HMnO4 = HNO3 + Mn(NO3)2 =>
2 H2O + 5 N2O4 + 2 HMnO4 = 6 HNO3 + 2 Mn(NO3)2
XH2O + NO2 + Al = NH3 + Al(OH)3 + XOH =>
15 XH2O + 3 NO2 + 2 Al = 3 NH3 + 2 Al(OH)3 + 15 XOH
FeCl3 + KCl = KCl3 + FeCl =>
FeCl3 + KCl = KCl3 + FeCl
NH3 + N2 + H2O = NH2OH =>
NH3 + N2 + 3 H2O = 3 NH2OH
Ca(NO3)2 + H2O = Ca(OH)2 + HNO2 + O2 =>
Ca(NO3)2 + 2 H2O = Ca(OH)2 + 2 HNO2 + O2
C18H36O2 + H2 = C18H36O + CH3OH =>
17 C18H36O2 + 18 H2 = 16 C18H36O + 18 CH3OH
NaO + N2O3 = Na2O + N2O5 =>
4 NaO + N2O3 = 2 Na2O + N2O5
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeCl3 + NaOH = (Fe(OH)3) + NaCl =>
FeCl3 + 3 NaOH = (Fe(OH)3) + 3 NaCl
GaF3H2O + HNO3 = Ga(NO3)3H2O + HF =>
GaF3H2O + 3 HNO3 = Ga(NO3)3H2O + 3 HF
C3H7COH + Ag2O = C4H8O2 + Ag =>
C3H7COH + Ag2O = C4H8O2 + 2 Ag
Ca + BaNO3 = Ca(NO3)2 + Ba =>
Ca + 2 BaNO3 = Ca(NO3)2 + 2 Ba
He + Ne = HeNe =>
He + Ne = HeNe
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2S + BaBr2 = HBr + BaS =>
H2S + BaBr2 = 2 HBr + BaS
Na2SiO3 + H2SO4 = SiO2 + NaHSO4 + H2O =>
Na2SiO3 + 2 H2SO4 = SiO2 + 2 NaHSO4 + H2O
Ca(OH) + Cl2 = Ca(ClO3)2 + CaCl2 + HCl =>
6 Ca(OH) + 9 Cl2 = Ca(ClO3)2 + 5 CaCl2 + 6 HCl
Mg + HBr = MgH2 + Br2 =>
Mg + 2 HBr = MgH2 + Br2
NaBr + Na2SiO3 = NaSiO3 + Na2Br =>
NaBr + Na2SiO3 = NaSiO3 + Na2Br
KOH(s) + H3PO4(aq) = K3PO4(s) + H2O(g) =>
3 KOH(s) + H3PO4(aq) = K3PO4(s) + 3 H2O(g)
KNo2 + KMnO4 = KNo3 + K2MnO4 =>
3 KNo2 + KMnO4 = 2 KNo3 + K2MnO4
HgCl + H2 = HCl + Hg =>
2 HgCl + H2 = 2 HCl + 2 Hg
MnO2 + ClO3{-} + HO{-} = MnO4{-2} + Cl{-} + H2O =>
3 MnO2 + ClO3{-} + 6 HO{-} = 3 MnO4{-2} + Cl{-} + 3 H2O
CsNO2 + Ga2(CO3)3 = Cs2CO3 + Ga(NO2)3 =>
6 CsNO2 + Ga2(CO3)3 = 3 Cs2CO3 + 2 Ga(NO2)3
Ca(OH)2 + FH = F2Ca + H2O =>
Ca(OH)2 + 2 FH = F2Ca + 2 H2O
LiBr + HCl = LiCl + Br + H2 =>
2 LiBr + 2 HCl = 2 LiCl + 2 Br + H2
S8 + KI = SI + K =>
S8 + 8 KI = 8 SI + 8 K
CaO + HNO3 = H2O + Ca(NO3)2 =>
CaO + 2 HNO3 = H2O + Ca(NO3)2
Cu{2}(NO3)2 = Cu{2}O(NO2)02 =>
Cu{2}(NO3)2 = Cu{2}O(NO2)02
NaHCl = Na + HCl =>
NaHCl = Na + HCl
Fe2O3 + Z = Fe + ZO2 =>
2 Fe2O3 + 3 Z = 4 Fe + 3 ZO2
Mn(C2H3O2)2 + (NH4)2S = MnS + NH4C2H3O2 =>
Mn(C2H3O2)2 + (NH4)2S = MnS + 2 NH4C2H3O2
NH4NO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) + NH3(g) =>
2 NH4NO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l) + 2 NH3(g)
KBr + H2SO4 = Br + SO2 + K2SO4 + H2O =>
2 KBr + 2 H2SO4 = 2 Br + SO2 + K2SO4 + 2 H2O
LiBr = Li + Br2 =>
2 LiBr = 2 Li + Br2
Cr + Si + O2 = Cr2(SiO3)3 =>
4 Cr + 6 Si + 9 O2 = 2 Cr2(SiO3)3
C6H4Cl2 + O2 = CO2 + H2O + HCl =>
2 C6H4Cl2 + 13 O2 = 12 CO2 + 2 H2O + 4 HCl
Mg(NO3)2 + Cu(OH)2 = Mg(OH)2 + Cu(NO3)2 =>
Mg(NO3)2 + Cu(OH)2 = Mg(OH)2 + Cu(NO3)2
H2O + CO + N2 = HNO2 + C2H6O2 =>
4 H2O + 2 CO + N2 = 2 HNO2 + C2H6O2
KNO3 + C6H7(NO2)3O5 = CO2 + H2O + K2CO3 + N2 =>
18 KNO3 + 10 C6H7(NO2)3O5 = 51 CO2 + 35 H2O + 9 K2CO3 + 24 N2
I2 + HClO + H2O = HIO3 + HCl =>
I2 + 5 HClO + H2O = 2 HIO3 + 5 HCl
NaOH + HCl = NaCl + H2O = =>
NaOH + HCl = NaCl + H2O
Al + ZnCl2 = Zn + AlCl3 =>
2 Al + 3 ZnCl2 = 3 Zn + 2 AlCl3
C2H4O + Ag(NH3)2OH = C2H4O2 + NH3 + Ag + H2O =>
C2H4O + 2 Ag(NH3)2OH = C2H4O2 + 4 NH3 + 2 Ag + H2O
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