Équations équilibrées la veille |
Ba + 2 C + 4 O = Ba(C2O4)
SnO + NaOH = Na2SnO2 + H2O =>
SnO + 2 NaOH = Na2SnO2 + H2O
C2H5OH + CH3CO2H = CHCO2C2H5 + H2O =>
C2H5OH + 3 CH3CO2H = 2 CHCO2C2H5 + 3 H2O
CuO + HCl + Zn = ZnCl2 + H2O + Cu =>
CuO + 2 HCl + Zn = ZnCl2 + H2O + Cu
CH3COOH + CuO = Cu(CH3CO2)2 + H2O =>
2 CH3COOH + CuO = Cu(CH3CO2)2 + H2O
NaIO3 + NaHSO3 + Na2CO3 = I2 + Na2SO4 + CO2 + H2O =>
4 NaIO3 + 10 NaHSO3 + 3 Na2CO3 = 2 I2 + 10 Na2SO4 + 3 CO2 + 5 H2O
KHCO3 + H2O = H2CO3 + K2O =>
2 KHCO3 + H2O = 2 H2CO3 + K2O
CaC2 + H2O2 = CaO2 + H2C2 =>
CaC2 + H2O2 = CaO2 + H2C2
Zn(OH)2 + HNO2 = H2O + Zn(NO2)2 =>
Zn(OH)2 + 2 HNO2 = 2 H2O + Zn(NO2)2
Fe + chlorine = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na + H3Po4 = Na3Po4 + H2 =>
6 Na + 2 H3Po4 = 2 Na3Po4 + 3 H2
Na + H2 + S + O2 = NaHSO4 =>
2 Na + H2 + 2 S + 4 O2 = 2 NaHSO4
C9H10O + Cl2 = C9H9ClO + HCl =>
C9H10O + Cl2 = C9H9ClO + HCl
H2 + CH3COOH = C2H5OH + H2O =>
2 H2 + CH3COOH = C2H5OH + H2O
Cu2(CO3)2 = CuO + CO2 =>
Cu2(CO3)2 = 2 CuO + 2 CO2
C3H4O4 + KOH = H2O + KC3H3O4 =>
C3H4O4 + KOH = H2O + KC3H3O4
Na{+} + S{-} = NaS =>
Na{+} + S{-} = NaS
CoCl2 + NaPO3 = Co2(PO3)4 + NaCl =>
2 CoCl2 + 4 NaPO3 = Co2(PO3)4 + 4 NaCl
I2 + C2H5OH = C2H5I2 + OH =>
I2 + C2H5OH = C2H5I2 + OH
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
NaOH + Fe(OH)3 = NaFe(OH)4 =>
NaOH + Fe(OH)3 = NaFe(OH)4
CoCl2 + HgHCO3 = Co(HCO3)2 + HgCl =>
CoCl2 + 2 HgHCO3 = Co(HCO3)2 + 2 HgCl
Fe(CO3)3 + (NH4)2CO3 = Fe2(CO3)3 + NH4CO3 =>
2 Fe(CO3)3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4CO3
Mg2O3(s) + CO2(g) = Mg(g) + CO4(g) =>
2 Mg2O3(s) + 3 CO2(g) = 4 Mg(g) + 3 CO4(g)
SnO + HCl = SnCl2 + H2O =>
SnO + 2 HCl = SnCl2 + H2O
C2H4O2 + NaHCO3 = CHCO3 + Na2H4O2 =>
C2H4O2 + 2 NaHCO3 = 2 CHCO3 + Na2H4O2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Be + H2O = H2 + Be(OH)2 =>
Be + 2 H2O = H2 + Be(OH)2
PhOH + NaOH = PhONa + H2O =>
PhOH + NaOH = PhONa + H2O
Li2SO3 + HCl = SO2 + H2O + LiCl =>
Li2SO3 + 2 HCl = SO2 + H2O + 2 LiCl
NaOH + Fe(OH)3 = NaFe(OH)4 =>
NaOH + Fe(OH)3 = NaFe(OH)4
(NH4)2CO3(s) = H2O(aq) + CO2(g) + NH3(g) =>
(NH4)2CO3(s) = H2O(aq) + CO2(g) + 2 NH3(g)
NaCl + Co = CoCl2 + Na =>
2 NaCl + Co = CoCl2 + 2 Na
NH4Fe(SO4)2 + NH4SCN = NH4Fe(SCN)4 + (NH4)2SO4 =>
NH4Fe(SO4)2 + 4 NH4SCN = NH4Fe(SCN)4 + 2(NH4)2SO4
KH2PO4 + Ca(OH)2 = K2HPO4 + CaHPO4 + H2O =>
2 KH2PO4 + Ca(OH)2 = K2HPO4 + CaHPO4 + 2 H2O
Be + H2O = H2 + Be(OH)2 =>
Be + 2 H2O = H2 + Be(OH)2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
MgCO3 + H2SO4 = CO2 + Mg(SO4) + H2O =>
MgCO3 + H2SO4 = CO2 + Mg(SO4) + H2O
Na + SO = S + NaO =>
Na + SO = S + NaO
NiCl2 + H2O + Na2CO3 = NiCO3*Ni(OH)2 + NaCl + CO2 =>
2 NiCl2 + H2O + 2 Na2CO3 = NiCO3*Ni(OH)2 + 4 NaCl + CO2
C5H5N + H2O = C5H6N + OH =>
C5H5N + H2O = C5H6N + OH
NaO + CO = Na + CO2 =>
NaO + CO = Na + CO2
N2O5 + HNO3 = HNO4 + NO2 =>
N2O5 + HNO3 = HNO4 + 2 NO2
S + HNO3 + H2O = H2SO4 + NOH2O =>
S + 2 HNO3 + 2 H2O = H2SO4 + 2 NOH2O
SrO + CO2 = Sr(CO3) =>
SrO + CO2 = Sr(CO3)
H2SO3 + NaOH = NaHSO3 + H2O =>
H2SO3 + NaOH = NaHSO3 + H2O
K2SO4 + KOH = K + SO2 + HO4 =>
3 K2SO4 + 2 KOH = 8 K + 3 SO2 + 2 HO4
HNO3 + Si + H2O = H4SiO3 + NO =>
2 HNO3 + 3 Si + 5 H2O = 3 H4SiO3 + 2 NO
KMnO4 + H2C2O4 + H2SO4 = MnC2O4 + CO2 + H2O + K2SO4 =>
2 KMnO4 + 7 H2C2O4 + H2SO4 = 2 MnC2O4 + 10 CO2 + 8 H2O + K2SO4
NaHCO3 + ZnCl2 = NaCl + Zn(HCO3)2 =>
2 NaHCO3 + ZnCl2 = 2 NaCl + Zn(HCO3)2
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