Équations équilibrées la veille |
K2Cr2O7 + 2 BaCl2 + 2 NaOH = 2 BaCrO4 + 2 KCl + 2 NaCl + H2O
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
CuI2 + Fe = FeI3 + Cu =>
3 CuI2 + 2 Fe = 2 FeI3 + 3 Cu
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
B + H2 = B2H6 =>
2 B + 3 H2 = B2H6
ZnCl2(aq) + H2S(g) = ZnS(s) + HCl =>
ZnCl2(aq) + H2S(g) = ZnS(s) + 2 HCl
Sr + HCO3 = SrHCO3 =>
Sr + HCO3 = SrHCO3
Ga2(Cr2O7)3 + Ni(NO3)2 = Ga(NO3)3 + Ni(Cr2O7) =>
Ga2(Cr2O7)3 + 3 Ni(NO3)2 = 2 Ga(NO3)3 + 3 Ni(Cr2O7)
Al + SeO = Al2O3 + Se =>
2 Al + 3 SeO = Al2O3 + 3 Se
Fe(NO3)3 + NaBr = FeBr3 + NaNO3 =>
Fe(NO3)3 + 3 NaBr = FeBr3 + 3 NaNO3
CO4 + NaCl = Cl2 + NaCO4 =>
2 CO4 + 2 NaCl = Cl2 + 2 NaCO4
Ca(s) + HF(aq) = CaF2(s) + H2(g) =>
Ca(s) + 2 HF(aq) = CaF2(s) + H2(g)
Mn(BrO3)2 + NH3 + O2 = Mn(NO3)4 + H2O + Br2 =>
Mn(BrO3)2 + 4 NH3 + 6 O2 = Mn(NO3)4 + 6 H2O + Br2
HNO3 + Cr(OH)2 = Cr(OH)NO3 + H2O =>
HNO3 + Cr(OH)2 = Cr(OH)NO3 + H2O
Na2(SO4)(aq) + Sr(OH)2(aq) = NaOH(aq) + Sr(SO4)(s) =>
Na2(SO4)(aq) + Sr(OH)2(aq) = 2 NaOH(aq) + Sr(SO4)(s)
NaNO3(aq) + KBr(aq) = NaBr(aq) + KNO3(aq) =>
NaNO3(aq) + KBr(aq) = NaBr(aq) + KNO3(aq)
CaCO3 + AlCl3 + H2O = CaCl2 + Al(HO)3 + CO2 =>
3 CaCO3 + 2 AlCl3 + 3 H2O = 3 CaCl2 + 2 Al(HO)3 + 3 CO2
CH3CH2OH + K2Cr2O7 + HCl = CH3CH(O) + KCl + CrCl3 + H2O =>
3 CH3CH2OH + K2Cr2O7 + 8 HCl = 3 CH3CH(O) + 2 KCl + 2 CrCl3 + 7 H2O
Al + H2O + KNO3 + KOH = K[Al(OH)4] + NH3 =>
8 Al + 18 H2O + 3 KNO3 + 5 KOH = 8 K[Al(OH)4] + 3 NH3
Cl2 + NaOH = NaCl + NaCl3O + H2O =>
2 Cl2 + 2 NaOH = NaCl + NaCl3O + H2O
NaBr + Ca(ClO)2 + H2O = Br2 + NaOH + Ca(Cl)2 =>
4 NaBr + Ca(ClO)2 + 2 H2O = 2 Br2 + 4 NaOH + Ca(Cl)2
NaO5 = Na + O =>
NaO5 = Na + 5 O
NaO + PO4 = Na(PO4) + O =>
NaO + PO4 = Na(PO4) + O
Cu(O)2 + HCl = Cu(Cl)2 + HO =>
Cu(O)2 + 2 HCl = Cu(Cl)2 + 2 HO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2S + Zn(NO3)2 = K2(NO3)2 + ZnS =>
K2S + Zn(NO3)2 = K2(NO3)2 + ZnS
C6H6O + Br2 = C6H3Br3O + HBr =>
C6H6O + 3 Br2 = C6H3Br3O + 3 HBr
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH4NO3 + Ba(OH)2 = H2O + NH3 + Ba(NO2)2 =>
3 NH4NO3 + 2 Ba(OH)2 = 5 H2O + 2 NH3 + 2 Ba(NO2)2
CsOH(aq) + HCl(aq) = CsCl + H2O =>
CsOH(aq) + HCl(aq) = CsCl + H2O
Mg(s) + Cr(No3)2(aq) = Mg(No3)2(aq) + Cr(s) =>
Mg(s) + Cr(No3)2(aq) = Mg(No3)2(aq) + Cr(s)
Li(s) + FeBr2(aq) = LiBr(aq) + Fe(g) =>
2 Li(s) + FeBr2(aq) = 2 LiBr(aq) + Fe(g)
NO2 + H3O = NH3 + HNO3 =>
11 NO2 + 5 H3O = 2 NH3 + 9 HNO3
H{+} + Zn = Zn2{+} + H =>
H{+} + 2 Zn = Zn2{+} + H
[Fe(CO)5] + Na = Na2[Fe(CO)4] + CO =>
[Fe(CO)5] + 2 Na = Na2[Fe(CO)4] + CO
KOH + HI = H2O + KI =>
KOH + HI = H2O + KI
CaCl2 + Ca(OH)2 = Ca(OH)Cl =>
CaCl2 + Ca(OH)2 = 2 Ca(OH)Cl
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Na + CaI2 = NaI2 + Ca =>
Na + CaI2 = NaI2 + Ca
C2H7NO2 + Na2CrO4 = (NH4)2CrO4 + NaCH3CO2 =>
2 C2H7NO2 + Na2CrO4 = (NH4)2CrO4 + 2 NaCH3CO2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
PH3 + Cl2 + H2O = H3PO4 + HCl =>
PH3 + 4 Cl2 + 4 H2O = H3PO4 + 8 HCl
C2H4 + O2 = C3H4O + H2 =>
3 C2H4 + O2 = 2 C3H4O + 2 H2
CH3CHCH2 + Cl2 = CH3ClCHCH2Cl =>
CH3CHCH2 + Cl2 = CH3ClCHCH2Cl
C6H12O6 + O2 = CO2 + H20(water) =>
5 C6H12O6 + 15 O2 = 30 CO2 + 3 H20(water)
MgSO4 + K = K2(SO4) + Mg2 =>
2 MgSO4 + 4 K = 2 K2(SO4) + Mg2
Tl2O3 + CO2(g) = Tl2(CO3)3(s) =>
Tl2O3 + 3 CO2(g) = Tl2(CO3)3(s)
C6H14 + Cl2 = C6H13Cl + HCl =>
C6H14 + Cl2 = C6H13Cl + HCl
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