Équations équilibrées la veille |
23 Cu + 23 H2SO4 = 23 CuSO4 + 2 H23
CuFeS2(s) + O2(g) = CuO(s) + Fe2O3(s) + SO2(g) =>
4 CuFeS2(s) + 13 O2(g) = 4 CuO(s) + 2 Fe2O3(s) + 8 SO2(g)
Fe(NO3)3 + NH3 = Fe(NO3)2 + HNO2 =>
2 Fe(NO3)3 + NH3 = 2 Fe(NO3)2 + 3 HNO2
KI + Ca = CaI2 + K =>
2 KI + Ca = CaI2 + 2 K
KOH + Mg(OH)2 = K2MgO2 + H2O =>
2 KOH + Mg(OH)2 = K2MgO2 + 2 H2O
Pb(C2H3O2)4 + Na2SO4 = Pb(SO4)2 + NaC2H3O2 =>
Pb(C2H3O2)4 + 2 Na2SO4 = Pb(SO4)2 + 4 NaC2H3O2
CH3CH3COOH + Cl2 = CH2ClCH3COOH + HCl =>
CH3CH3COOH + Cl2 = CH2ClCH3COOH + HCl
Al2(SO4)3 + H2O = H2SO4 + Al2O3 =>
Al2(SO4)3 + 3 H2O = 3 H2SO4 + Al2O3
K2(CO3) + Ca(OH)2 = CaCO3 + KOH =>
K2(CO3) + Ca(OH)2 = CaCO3 + 2 KOH
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
HI + K2(Cr2O7) + HClO4 = I2 + KClO4 + Cr(ClO4)3 + H2O =>
6 HI + K2(Cr2O7) + 8 HClO4 = 3 I2 + 2 KClO4 + 2 Cr(ClO4)3 + 7 H2O
KOH + CH3OH = H2O + KOCH3 =>
KOH + CH3OH = H2O + KOCH3
CuFeS2(s) + O2(g) = Cu2S(s) + FeO(s) + SO2(g) =>
2 CuFeS2(s) + 4 O2(g) = Cu2S(s) + 2 FeO(s) + 3 SO2(g)
Li2S + N2 = Li3N + S =>
3 Li2S + N2 = 2 Li3N + 3 S
AgNO3 + NaOH + H2O = NaNO2 + AgOH + H2O2 =>
AgNO3 + NaOH + H2O = NaNO2 + AgOH + H2O2
Al2(SO4)3 + H2O = Al(OH)3 + H2SO4 =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 H2SO4
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
C10H22 + NO = CO2 + H2O + N2 =>
2 C10H22 + 62 NO = 20 CO2 + 22 H2O + 31 N2
FeCl3 + Cs3PO4 = FePO4 + Cl3Cs3 =>
FeCl3 + Cs3PO4 = FePO4 + Cl3Cs3
KMnO4 + Cr(NO3)3 + H2O = HNO3 + Mn(NO3)2 + KNO3 + H2Cr2O8 =>
8 KMnO4 + 10 Cr(NO3)3 + 8 H2O = 6 HNO3 + 8 Mn(NO3)2 + 8 KNO3 + 5 H2Cr2O8
NiC2O4*2H2O(s) + O2(g) = Ni2O3(s) + H2O(g) + CO2(g) =>
4 NiC2O4*2H2O(s) + 3 O2(g) = 2 Ni2O3(s) + 8 H2O(g) + 8 CO2(g)
(CH3)2NH + H2SO4 = [(CH3)2NH2]2SO4 =>
2(CH3)2NH + H2SO4 = [(CH3)2NH2]2SO4
C6H5Cl + CH3Cl + Na = C7H8 + NaCl =>
C6H5Cl + CH3Cl + 2 Na = C7H8 + 2 NaCl
AgSO4 + BaCl = AgCl + BaSO4 =>
AgSO4 + BaCl = AgCl + BaSO4
P2O3 + KOH = K2HPO3 + H2O =>
P2O3 + 4 KOH = 2 K2HPO3 + H2O
(NH4)2SO4 + HCl = NH4Cl + H2O + SO3 =>
(NH4)2SO4 + 2 HCl = 2 NH4Cl + H2O + SO3
KOH + CH3OH = H2O + CH3KO =>
KOH + CH3OH = H2O + CH3KO
CuFeS2(s) + O2(g) = FeO(s) + SO2(s) + Cu(s) =>
2 CuFeS2(s) + 5 O2(g) = 2 FeO(s) + 4 SO2(s) + 2 Cu(s)
PbHAsO4 + HNO3 = H3AsO4 + Pb(NO3)2 =>
PbHAsO4 + 2 HNO3 = H3AsO4 + Pb(NO3)2
AgC2H3O2 + Na3P = Ag3P + NaC2H3O2 =>
3 AgC2H3O2 + Na3P = Ag3P + 3 NaC2H3O2
AgBr + NH4OH = [Ag(NH3)2]Br + H2O =>
AgBr + 2 NH4OH = [Ag(NH3)2]Br + 2 H2O
Ba + H2SO4 = H2S + H2O + BaSO4 =>
4 Ba + 5 H2SO4 = H2S + 4 H2O + 4 BaSO4
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
Si + HCl = SiHCl3 + H2 =>
Si + 3 HCl = SiHCl3 + H2
Co{2+}(aq) + Al(s) = Al{3+}(aq) + Co(s) =>
3 Co{2+}(aq) + 2 Al(s) = 2 Al{3+}(aq) + 3 Co(s)
HCHO + Na2SO3 + H2O = NaOH + CH2(NaSO3)OH =>
HCHO + Na2SO3 + H2O = NaOH + CH2(NaSO3)OH
Mg2(CO3)2 = Mg2O2 + CO2 =>
Mg2(CO3)2 = Mg2O2 + 2 CO2
NH4NO3(aq) + H2O(l) = NH4OH(aq) + HNO3(aq) =>
NH4NO3(aq) + H2O(l) = NH4OH(aq) + HNO3(aq)
O + ({-}2) = O({-}2) =>
O + ({-}2) = O({-}2)
HBrO3 + NaHCO3 = NaBrO3 + H2CO3 =>
HBrO3 + NaHCO3 = NaBrO3 + H2CO3
KMnO4 + Cl2 + H2O = MnO2 + KClO3 + KOH =>
10 KMnO4 + 3 Cl2 + 2 H2O = 10 MnO2 + 6 KClO3 + 4 KOH
FePO4 + NaS = FeSO4 + NaP =>
FePO4 + NaS = FeSO4 + NaP
CuFeS2(s) + O2(g) = Cu2S(s) + Fe2O3(s) + SO2(g) =>
4 CuFeS2(s) + 9 O2(g) = 2 Cu2S(s) + 2 Fe2O3(s) + 6 SO2(g)
AgBr + NH4OH = AgOH + NH4Br =>
AgBr + NH4OH = AgOH + NH4Br
Si + HCl = SiCl4 + H2 =>
Si + 4 HCl = SiCl4 + 2 H2
Ba + HNO3 = Ba(NO3)3 + NO2 + H2O =>
Ba + 6 HNO3 = Ba(NO3)3 + 3 NO2 + 3 H2O
CuCO3 + HCl = CO2 + CuCl2 + H2O =>
CuCO3 + 2 HCl = CO2 + CuCl2 + H2O
Fe3(PO4)2 + Cu2SO4 = FeSO4 + Cu3PO4 =>
Fe3(PO4)2 + 3 Cu2SO4 = 3 FeSO4 + 2 Cu3PO4
Ag(NH3) + Cl + HNO3 = AgCl + NH4NO3 =>
Ag(NH3) + Cl + HNO3 = AgCl + NH4NO3
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