| Équations équilibrées la veille |
Pb(NO3)2 + K2CrO4 = PbO4 + K2Cr(NO3)2
Ba3(PO4)2 + (NH4)2S = BaS(s) + (NH4)6(PO4)2(aq) =>
Ba3(PO4)2 + 3(NH4)2S = 3 BaS(s) + (NH4)6(PO4)2(aq)
SiO2 + Mg = Mg2Si + MgO =>
SiO2 + 4 Mg = Mg2Si + 2 MgO
MgBr2 + KMnO4 + H2SO4 = MgSO4 + K2SO4 + MnSO4 + Br2 + H2O =>
5 MgBr2 + 2 KMnO4 + 8 H2SO4 = 5 MgSO4 + K2SO4 + 2 MnSO4 + 5 Br2 + 8 H2O
Mg(CH3COO)2 = Mg + CH3COO =>
Mg(CH3COO)2 = Mg + 2 CH3COO
Mg + Rb = MgRb2 =>
Mg + 2 Rb = MgRb2
H2S + KMnO4 + HNO3 = S + MnNO3 + KNO3 + H2O =>
3 H2S + KMnO4 + 2 HNO3 = 3 S + MnNO3 + KNO3 + 4 H2O
CH3OH + K2Cr2O7 + H2SO4 = H2CO3 + Cr2(SO4)3 + K2SO4 + H2O =>
CH3OH + K2Cr2O7 + 4 H2SO4 = H2CO3 + Cr2(SO4)3 + K2SO4 + 5 H2O
ZnO + AgI = ZnI2 + Ag2O =>
ZnO + 2 AgI = ZnI2 + Ag2O
Ca + (C2H3O2)2 = Ca(C2H3O2)2 =>
Ca + (C2H3O2)2 = Ca(C2H3O2)2
BaSO4 + K3PO4 = Ba3(PO4)2 + K2SO4 =>
3 BaSO4 + 2 K3PO4 = Ba3(PO4)2 + 3 K2SO4
C13H2OO3 + O2 = CO2 + H2O =>
2 C13H2OO3 + 23 O2 = 26 CO2 + 2 H2O
SrSO4 + Na2CO3 = SrCO3 + Na2SO4 =>
SrSO4 + Na2CO3 = SrCO3 + Na2SO4
(CH3)HN2H2 + N2O4 = N2 + H2O + CO2 =>
4(CH3)HN2H2 + 5 N2O4 = 9 N2 + 12 H2O + 4 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaOH + PO = Na + PO2H =>
NaOH + PO = Na + PO2H
CH3COOH + O2 = CH3COOHO =>
2 CH3COOH + O2 = 2 CH3COOHO
Ag(NO3)2 + Na2SO4 = Ag(SO4) + Na2(NO3)2 = =>
Ag(NO3)2 + Na2SO4 = Ag(SO4) + Na2(NO3)2
Cu{+2} + Ag3{+} = Ag{+} + Cu3{+2}N2 =>
3 Cu{+2} + 2 Ag3{+} = 6 Ag{+} + Cu3{+2}N2
NaHCO3 + C6H12O2 = C6H5Na3O7 + CO2 + H2O =>
48 NaHCO3 + 9 C6H12O2 = 16 C6H5Na3O7 + 6 CO2 + 38 H2O
C15H31COONa + H2SO4 = CH3(CH2)14COOH + Na2SO4 =>
2 C15H31COONa + H2SO4 = 2 CH3(CH2)14COOH + Na2SO4
Zn(OH)2 + H3AsO4 = Zn2(OH)AsO4 + H2O =>
2 Zn(OH)2 + H3AsO4 = Zn2(OH)AsO4 + 3 H2O
lead(ii)nitrate + sodiumiodide = lead(ii)iodide + sodiumNitrate =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
N2O + C8H18 = N + H2O + CO2 =>
25 N2O + C8H18 = 50 N + 9 H2O + 8 CO2
HPO3 + NH4OH = (NH4)2HPO4 + H2O =>
HPO3 + 2 NH4OH = (NH4)2HPO4 + H2O
HC6H7O6 + H2O = C6H7O6 + H32O =>
30 HC6H7O6 + H2O = 30 C6H7O6 + H32O
Fe + S = FeS4 =>
Fe + 4 S = FeS4
Cu2Zn + HNO3 = NO + Zn(NO3)2 + CuNO3 + H2O =>
3 Cu2Zn + 16 HNO3 = 4 NO + 3 Zn(NO3)2 + 6 CuNO3 + 8 H2O
KCl + HNO3 = KNO3 + Cl2 + NO2 + H2O =>
2 KCl + 4 HNO3 = 2 KNO3 + Cl2 + 2 NO2 + 2 H2O
Cr3O7{2-} + H{+} + SO3{2-} = Cr{3+} + SO4{2-} + H2O =>
2 Cr3O7{2-} + 22 H{+} + 3 SO3{2-} = 6 Cr{3+} + 3 SO4{2-} + 11 H2O
PBr3 = P + Br2 =>
2 PBr3 = 2 P + 3 Br2
C6H14 = C2H4 + H =>
C6H14 = 3 C2H4 + 2 H
H2O = (OH)2 + H2 =>
2 H2O = (OH)2 + H2
C18H34O2 + C6H6O = C18H6O + C6H34O2 =>
C18H34O2 + C6H6O = C18H6O + C6H34O2
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
Na2CO3 + H2O = HCO3{-} + Na{+} + OH{-} =>
Na2CO3 + H2O = HCO3{-} + 2 Na{+} + OH{-}
CuFeS2 + H2O + O2 = CuSO4 + Fe2O3 + H2SO4 =>
4 CuFeS2 + 4 H2O + 17 O2 = 4 CuSO4 + 2 Fe2O3 + 4 H2SO4
Ca + Zn(NO3)2 = Ca(NO3)2 + Zn =>
Ca + Zn(NO3)2 = Ca(NO3)2 + Zn
Li + AlO = Li2O + Al =>
2 Li + AlO = Li2O + Al
Fe + HC2H3O2 = Fe(C2H3O2)3 + H2 =>
2 Fe + 6 HC2H3O2 = 2 Fe(C2H3O2)3 + 3 H2
Cr(OH)3 + Br2 + H2O = Br{-} + CrO4{2-} + H{+} =>
2 Cr(OH)3 + 3 Br2 + 2 H2O = 6 Br{-} + 2 CrO4{2-} + 10 H{+}
CaI2 + (NH4)3PO4 = Ca3O8P2 + NH4I =>
3 CaI2 + 2(NH4)3PO4 = Ca3O8P2 + 6 NH4I
HCI + Sr(OH)2 = H2O + Sr(CI)2 =>
2 HCI + Sr(OH)2 = 2 H2O + Sr(CI)2
C6H5CHO + C2H5NO2 = C9H9NO2 + H2O =>
C6H5CHO + C2H5NO2 = C9H9NO2 + H2O
Cr(NO3)2 + Na2CO3 = Cr(CO3) + NaNO3 =>
Cr(NO3)2 + Na2CO3 = Cr(CO3) + 2 NaNO3
HI + Sn(OH)4 = Sn(OH)3I + H2O =>
HI + Sn(OH)4 = Sn(OH)3I + H2O
C2O2H2 + O2 = CO2 + H2O =>
2 C2O2H2 + 3 O2 = 4 CO2 + 2 H2O
I2 + Mn2{+} + OH{-} = I{-} + MnO2 + H2O =>
7 I2 + 2 Mn2{+} + 16 OH{-} = 14 I{-} + 4 MnO2 + 8 H2O
Rb + Sr3P2 = Rb3P + Sr =>
6 Rb + Sr3P2 = 2 Rb3P + 3 Sr
KNO3 + C4H5NaO6 = KC4H5O6 + NaNO3 =>
KNO3 + C4H5NaO6 = KC4H5O6 + NaNO3
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