Équations équilibrées la veille |
7 CuFeS2 + 19 H2SO4 + 11 K2Cr2O7 = 7 Cu + 11 K2SO4 + 7 FeO3 + 22 CrSO4 + 19 H2
HNO3 + NH3H2O = NH4NO3 + H2O =>
HNO3 + NH3H2O = NH4NO3 + H2O
POCl3 + C5H12NH = C5H12NPOCl2 + C5H12NH*HCl =>
POCl3 + 2 C5H12NH = C5H12NPOCl2 + C5H12NH*HCl
S2O3 + NO3 = SO4 + NO2 =>
S2O3 + 5 NO3 = 2 SO4 + 5 NO2
NaH + NaNO3 + H3PO4 = NaH2PO4 + NH4H2PO4 + H2O =>
4 NaH + NaNO3 + 6 H3PO4 = 5 NaH2PO4 + NH4H2PO4 + 3 H2O
KMnO4 + KNO2 + HCl = MnCl2 + KCl + KNO3 + H2O =>
2 KMnO4 + 5 KNO2 + 6 HCl = 2 MnCl2 + 2 KCl + 5 KNO3 + 3 H2O
NH3(g)CO2(g)H2O(g) = NH4HCO3 =>
NH3(g)CO2(g)H2O(g) = NH4HCO3
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
Br2O7 + NaH = Br2O3 + Na2OH2O =>
Br2O7 + 4 NaH = Br2O3 + 2 Na2OH2O
(CH3COO)2Pb + NaI = PbI2 + NaCH3COO =>
(CH3COO)2Pb + 2 NaI = PbI2 + 2 NaCH3COO
NH4NO3 + CaS = Ca(NO3)2 + (NH4)2S =>
2 NH4NO3 + CaS = Ca(NO3)2 + (NH4)2S
C2H2 + N2O = N2 + H2O + CO =>
C2H2 + 3 N2O = 3 N2 + H2O + 2 CO
PCl5(l) + H2O(g) = H3PO4(aq) + HCl(g) =>
PCl5(l) + 4 H2O(g) = H3PO4(aq) + 5 HCl(g)
Cd(OH)2(s) + Ni(OH)2(s) = Cd(s) + NiO2(s) + H2O(l) =>
Cd(OH)2(s) + Ni(OH)2(s) = Cd(s) + NiO2(s) + 2 H2O(l)
GaN + MgFe2O4 + O2 = GaFeO3 + Mg3N2 + NO =>
6 GaN + 3 MgFe2O4 + 5 O2 = 6 GaFeO3 + Mg3N2 + 4 NO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CaO + Al(OH)3 = Ca(AlO2)2 + H2O =>
CaO + 2 Al(OH)3 = Ca(AlO2)2 + 3 H2O
SO + H2O = H2SO + O =>
SO + H2O = H2SO + O
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
BaS = Ba + S2 =>
2 BaS = 2 Ba + S2
AgNO3 + AlPO4 = Ag3PO4 + Al(NO3)3 =>
3 AgNO3 + AlPO4 = Ag3PO4 + Al(NO3)3
MnBr7 = Mn + Br =>
MnBr7 = Mn + 7 Br
Ca + ZnCl2 = Zn + CaCl =>
2 Ca + ZnCl2 = Zn + 2 CaCl
C6H12O6 + CO2 = C4H6O4 + O2 =>
C6H12O6 + 2 CO2 = 2 C4H6O4 + O2
Al(OH)3 + CaO = Al2O3 + Ca(OH)2 =>
2 Al(OH)3 + 3 CaO = Al2O3 + 3 Ca(OH)2
Al(oh)3 + CaO = Ca(oh)2 + Al2O3 =>
4 Al(oh)3 + 18 CaO = 9 Ca(oh)2 + 6 Al2O3
Mg(NO3)2 + Al2(NO3)3 = MgAl2O3 + N2 + O2 =>
2 Mg(NO3)2 + 2 Al2(NO3)3 = 2 MgAl2O3 + 5 N2 + 12 O2
Al(oh)3 + CaO = Ca(oh)2 + Al2O3 =>
4 Al(oh)3 + 18 CaO = 9 Ca(oh)2 + 6 Al2O3
Mg + Li2CO3 = MgCO3 + Li =>
Mg + Li2CO3 = MgCO3 + 2 Li
Al(oh)3 + CaO = Ca(oh)2 + Al2O3 =>
4 Al(oh)3 + 18 CaO = 9 Ca(oh)2 + 6 Al2O3
Sc + H = ScH3 =>
Sc + 3 H = ScH3
HCn + Sn(OH)3 = SnCn3 + H2O =>
3 HCn + Sn(OH)3 = SnCn3 + 3 H2O
BaCl2 + Al2(SO4)3 = AlCl3 + BaSO4 =>
3 BaCl2 + Al2(SO4)3 = 2 AlCl3 + 3 BaSO4
Cs2 + I2 = CsI =>
Cs2 + I2 = 2 CsI
C5H10Br2 + KOH = C5H10(OH)2 + KBr =>
C5H10Br2 + 2 KOH = C5H10(OH)2 + 2 KBr
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C5H10 + HCl = C5H9Cl2 + H2 =>
2 C5H10 + 4 HCl = 2 C5H9Cl2 + 3 H2
FeO + CaO = CaO2 + Fe =>
FeO + CaO = CaO2 + Fe
CO2 + S2 = CS2 + O2 =>
CO2 + S2 = CS2 + O2
UO2Cl2 + NH3 + H2O = (NH4)2U2O7 + NH4Cl =>
2 UO2Cl2 + 6 NH3 + 3 H2O = (NH4)2U2O7 + 4 NH4Cl
CrOHCl2 + HCl = CrCl2 + ClOH + H2 =>
2 CrOHCl2 + 2 HCl = 2 CrCl2 + 2 ClOH + H2
K2FeO4 + Na2S + H2O = S + Fe(OH)3 + KOH + NaOH =>
2 K2FeO4 + 3 Na2S + 8 H2O = 3 S + 2 Fe(OH)3 + 4 KOH + 6 NaOH
Pb + (C2H5)2Cd + C2H5I = (C2H5)4Pb + CdI2 =>
Pb + (C2H5)2Cd + 2 C2H5I = (C2H5)4Pb + CdI2
CaCO3 + AgNO3 = CaNO3 + AgCO3 =>
CaCO3 + AgNO3 = CaNO3 + AgCO3
Al(oh)3 + CaO = Ca(oh)2 + Al2O3 =>
4 Al(oh)3 + 18 CaO = 9 Ca(oh)2 + 6 Al2O3
H2O2 + MnO2 = O2(H2)02 + Mn(O2)2 =>
2 H2O2 + MnO2 = O2(H2)02 + Mn(O2)2
Ag2O3 + NH4OH = Ag2OH + NH4O3 =>
Ag2O3 + NH4OH = Ag2OH + NH4O3
Cu2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Cu2SO4 + H2O =>
3 Cu2S + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Cu2SO4 + 16 H2O
La + Bi2O3 = La2O3 + BiO =>
2 La + 3 Bi2O3 = La2O3 + 6 BiO
NaClO32 + H2SO4 + KI = K2SO4 + NaCl + I2 + H2O =>
NaClO32 + 32 H2SO4 + 64 KI = 32 K2SO4 + NaCl + 32 I2 + 32 H2O
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