Équations équilibrées la veille |
2 Hg + 6 NaOH = 3 H2 + 2 Na3HgO3
CuCl2 + NH4SCN = Cu(SCN)2 + NH4Cl =>
CuCl2 + 2 NH4SCN = Cu(SCN)2 + 2 NH4Cl
Cr(s) + FeSO4(aq) = Cr2(SO4)3(aq) + Fe(s) =>
2 Cr(s) + 3 FeSO4(aq) = Cr2(SO4)3(aq) + 3 Fe(s)
HClO3 + C = H2O + CO2 + Cl2 =>
4 HClO3 + 5 C = 2 H2O + 5 CO2 + 2 Cl2
C2H5OH + Na = C2H5ONa + H2 =>
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba + HC2H3O2 = H2 + Ba(C2H3O2)2 =>
Ba + 2 HC2H3O2 = H2 + Ba(C2H3O2)2
MnCl2 + NaOH + H2O2 = MnO2 + NaCl + H2O =>
MnCl2 + 2 NaOH + H2O2 = MnO2 + 2 NaCl + 2 H2O
Cu(No3)2 + NaC2H302 = CuC2H302 + Na(No3)2 =>
Cu(No3)2 + NaC2H302 = CuC2H302 + Na(No3)2
B3N3H3 + O2 = N2O5 + B2O3 + H2O =>
4 B3N3H3 + 27 O2 = 6 N2O5 + 6 B2O3 + 6 H2O
AlBr3 + NaCO3 = Al(CO3)3 + NaBr =>
AlBr3 + 3 NaCO3 = Al(CO3)3 + 3 NaBr
Fe(NO3)3 + Pb(OH)2 = Pb(NO3)2 + Fe(OH)3 =>
2 Fe(NO3)3 + 3 Pb(OH)2 = 3 Pb(NO3)2 + 2 Fe(OH)3
Ga + CaI2 = GaI + Ca =>
2 Ga + CaI2 = 2 GaI + Ca
Ca(NO2)2 = CaO + NO + NO2 =>
Ca(NO2)2 = CaO + NO + NO2
Cu(NO3)2 + KCl = CuCl2 + K(NO3) =>
Cu(NO3)2 + 2 KCl = CuCl2 + 2 K(NO3)
NaCl + O2 = NaOCl =>
2 NaCl + O2 = 2 NaOCl
KClO4 + Zn + HCl = KCl + ZnCl3 + H2O =>
3 KClO4 + 8 Zn + 24 HCl = 3 KCl + 8 ZnCl3 + 12 H2O
CoCO3 + K2C2O4 = CoC2O4 + K2CO3 =>
CoCO3 + K2C2O4 = CoC2O4 + K2CO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ag + KNi = AgNi + K =>
Ag + KNi = AgNi + K
C3H13 + O2 = CO2 + H2O =>
4 C3H13 + 25 O2 = 12 CO2 + 26 H2O
ZnBr2 + KOH = ZnOH + KBr2 =>
ZnBr2 + KOH = ZnOH + KBr2
Fe + CHHHCOOH = FeCHHHCOOH =>
Fe + CHHHCOOH = FeCHHHCOOH
LiCl + Mg = Li + MgCl2 =>
2 LiCl + Mg = 2 Li + MgCl2
NaC2H3O2 + H2O = NaC2H4O2 + OH =>
NaC2H3O2 + H2O = NaC2H4O2 + OH
H3PO4(aq) + LiOH = H2O + Li3PO4 =>
H3PO4(aq) + 3 LiOH = 3 H2O + Li3PO4
MgO + CsBr = MgBr2 + Cs2O =>
MgO + 2 CsBr = MgBr2 + Cs2O
MgO + Zn(NO3)2 = Mg(NO3)2 + ZnO =>
MgO + Zn(NO3)2 = Mg(NO3)2 + ZnO
HBr + Sn(OH)4 = H2O + Sn(Br)4 =>
4 HBr + Sn(OH)4 = 4 H2O + Sn(Br)4
Cl2 + ZnCO3 = ZnCl2 + CO2 + O2 =>
2 Cl2 + 2 ZnCO3 = 2 ZnCl2 + 2 CO2 + O2
CuSO4 + Ba(NO3)2 = BaSO4 + Cu(NO3)2 =>
CuSO4 + Ba(NO3)2 = BaSO4 + Cu(NO3)2
Fe(NO3)3 + NH4NCS = FeNCS + NH4(NO3)3 =>
Fe(NO3)3 + NH4NCS = FeNCS + NH4(NO3)3
Rb + Br2 = RbBr =>
2 Rb + Br2 = 2 RbBr
HCl + Sr(NO2)2 = HNO2 + SrCl2 =>
2 HCl + Sr(NO2)2 = 2 HNO2 + SrCl2
K2Cr2O7 + Al = Cr + KAlO3 + Al2O3 =>
3 K2Cr2O7 + 8 Al = 6 Cr + 6 KAlO3 + Al2O3
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
KHP + Ca(OH)2 = H2O + CaP + K2P =>
2 KHP + Ca(OH)2 = 2 H2O + CaP + K2P
Cu(NO3)2 + C2H5NO2 = Cu + H2O + CO2 + N2 =>
3 Cu(NO3)2 + 4 C2H5NO2 = 3 Cu + 10 H2O + 8 CO2 + 5 N2
C8H4BrClFNO3 = C16H8Cl2F2N2O6 + Br2 =>
2 C8H4BrClFNO3 = C16H8Cl2F2N2O6 + Br2
C2H3COOH + HBr = C2H4BrCOOH =>
C2H3COOH + HBr = C2H4BrCOOH
CuNO3 + BaS = Ba(NO3)2 + Cu2S =>
2 CuNO3 + BaS = Ba(NO3)2 + Cu2S
KClO3 + MnO2 = KCl + Mn2O7 =>
KClO3 + 2 MnO2 = KCl + Mn2O7
Na + H3BO3 = Na2H2BO3 + H2 =>
4 Na + 2 H3BO3 = 2 Na2H2BO3 + H2
ZnCl2 + Na2HPO4 + NH3 = Zn(NH4)PO4 + NaCl =>
ZnCl2 + Na2HPO4 + NH3 = Zn(NH4)PO4 + 2 NaCl
Zn(s) + AgNO3(aq) = Ag(s) + Zn(NO3)2(away) =>
Zn(s) + 2 AgNO3(aq) = 2 Ag(s) + Zn(NO3)2(away)
KCl + NaNO3 = NaCl + KNO3 =>
KCl + NaNO3 = NaCl + KNO3
Fe(s) + NiCl2(aq) = Ni(s) + FeCl2(aq) =>
Fe(s) + NiCl2(aq) = Ni(s) + FeCl2(aq)
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
FeSO4 + Co = CoSO4 + Fe =>
FeSO4 + Co = CoSO4 + Fe
MgSO4 + AlCl = MgCl + AlSO4 =>
MgSO4 + AlCl = MgCl + AlSO4
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