Équations équilibrées la veille |
CuS + 8 HNO3 = Cu(NO3)2 + 4 H2O + SO2 + 6 NO2
CrO3 + SO2 = Cr + SO4 =>
2 CrO3 + 3 SO2 = 2 Cr + 3 SO4
KOH + NO2 = KNO2 + KNO3 + H2O =>
2 KOH + 2 NO2 = KNO2 + KNO3 + H2O
CaO + BaO = CaO2 + Ba =>
CaO + BaO = CaO2 + Ba
K + Na = KNa =>
K + Na = KNa
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HCl + BaCl2 + K2CrO4 = BaCr2O7 + KCl + H2O =>
2 HCl + BaCl2 + 2 K2CrO4 = BaCr2O7 + 4 KCl + H2O
Hg(ClO3)2 = HgO + ClO2 + O2 =>
2 Hg(ClO3)2 = 2 HgO + 4 ClO2 + O2
BaCl2 + Na2(SO4) = BaSO4 + NaCl =>
BaCl2 + Na2(SO4) = BaSO4 + 2 NaCl
Zn(s) + H2CO3(aq) = ZnCO3(s) + H2(g) =>
Zn(s) + H2CO3(aq) = ZnCO3(s) + H2(g)
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
HgBr2 + Ag2(SO4) = AgBr + Hg(SO4) =>
HgBr2 + Ag2(SO4) = 2 AgBr + Hg(SO4)
H2SO4 + Al2S3 = SO2 + H2O + Al(SO4)3 =>
18 H2SO4 + Al2S3 = 15 SO2 + 18 H2O + 2 Al(SO4)3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C18H36O2 + NaOH = C18H35O2Na + H2O =>
C18H36O2 + NaOH = C18H35O2Na + H2O
I2 + MgO = MgI2 + Mg(IO3)2 =>
6 I2 + 6 MgO = 5 MgI2 + Mg(IO3)2
CsOH + HBr = CsH + BrOH =>
CsOH + HBr = CsH + BrOH
K2SO4 + BaC2H3O2 = K2C2H3O2 + BaSO4 =>
K2SO4 + BaC2H3O2 = K2C2H3O2 + BaSO4
H2NO3 + CaO = CaNO3 + H2O =>
H2NO3 + CaO = CaNO3 + H2O
BaCl2(aq) + Na2SO4(aq) = BaSO4 + NaCl =>
BaCl2(aq) + Na2SO4(aq) = BaSO4 + 2 NaCl
SiO2 + HCl = SiCl4 + H2O =>
SiO2 + 4 HCl = SiCl4 + 2 H2O
N2O4(g) = NO2(g) =>
N2O4(g) = 2 NO2(g)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
NaNO2 + KMnO4 + KOH = H2O + K2MnO4 + NaNO3 =>
NaNO2 + 2 KMnO4 + 2 KOH = H2O + 2 K2MnO4 + NaNO3
C6H5NO2 + Fe + HCl = FeCl3 + C6H5NH2 + H2O =>
C6H5NO2 + 2 Fe + 6 HCl = 2 FeCl3 + C6H5NH2 + 2 H2O
Cu(OH)2 + SO4 = CuSO4 + H2O2 =>
Cu(OH)2 + SO4 = CuSO4 + H2O2
AlBr3 + Mg = MgBr2 + Al =>
2 AlBr3 + 3 Mg = 3 MgBr2 + 2 Al
K2O + CH3COOH = KCH3COO + H2O =>
K2O + 2 CH3COOH = 2 KCH3COO + H2O
HCl + BaCl2 + K2CrO4 = BaCr2O7 + KCl + H2O =>
2 HCl + BaCl2 + 2 K2CrO4 = BaCr2O7 + 4 KCl + H2O
Zn + H2SO4 = ZnSO4 + S + H2O =>
3 Zn + 4 H2SO4 = 3 ZnSO4 + S + 4 H2O
MgSO4 + ZnOH = MgOH + ZnSO4 =>
MgSO4 + ZnOH = MgOH + ZnSO4
HCl + BaCl2 + K2CrO4 = BaCr2O7 + KCl + H2O =>
2 HCl + BaCl2 + 2 K2CrO4 = BaCr2O7 + 4 KCl + H2O
Al(NO3)3 + N2H4CO = Al2O3 + N2 + CO2 + H2O =>
2 Al(NO3)3 + 5 N2H4CO = Al2O3 + 8 N2 + 5 CO2 + 10 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
NaHCO3 + C3H7COOH = C3H7COOHNa + H2O + CO2 =>
20 NaHCO3 + 21 C3H7COOH = 20 C3H7COOHNa + 14 H2O + 24 CO2
NaNO2 + KMnO4 + KOH = H2O + K2MnO4 + NaNO3 =>
NaNO2 + 2 KMnO4 + 2 KOH = H2O + 2 K2MnO4 + NaNO3
HNO3 + MgBr2 = HBr + Mg(NO3)2 =>
2 HNO3 + MgBr2 = 2 HBr + Mg(NO3)2
NaHCO3 + C6H8O7 = H2O + CO2 + NaH2C3H5O(COO)3 =>
NaHCO3 + C6H8O7 = H2O + CO2 + NaH2C3H5O(COO)3
CaH2O2 + NaOH = NaH2O2 + CaOH =>
CaH2O2 + NaOH = NaH2O2 + CaOH
PI + HOH = HI + POH =>
PI + HOH = HI + POH
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
H2NO3 + CaO = CaNO3 + H2O =>
H2NO3 + CaO = CaNO3 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al2(SO4)3 + H2SiO3 = Al2(SiO3)3 + H2SO4 =>
Al2(SO4)3 + 3 H2SiO3 = Al2(SiO3)3 + 3 H2SO4
ZnCl2 + HgNO3 = Zn(NO3)2 + HgCl =>
ZnCl2 + 2 HgNO3 = Zn(NO3)2 + 2 HgCl
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