| Équations équilibrées la veille |
7 C6H8O6 + 3 C2H5OH = 8 C6H8O5 + 5 H2O
K2S + K2MnO4 + H2O = S + MnO2 + KOH =>
K2S + K2MnO4 + 2 H2O = S + MnO2 + 4 KOH
Cr(OH)3 + HNO2 = Cr(NO2)3 + H3(OH)3 =>
Cr(OH)3 + 3 HNO2 = Cr(NO2)3 + H3(OH)3
Ca + CO + H2O = CaCO3 + H =>
Ca + CO + 2 H2O = CaCO3 + 4 H
Li + HNO3 = LiNO3 + H3 =>
3 Li + 3 HNO3 = 3 LiNO3 + H3
H2SO4 + Mg = MgH2 + SO4 =>
H2SO4 + Mg = MgH2 + SO4
NH4OH + Ag2CrO4 = (NH4)2CrO4 + AgOH =>
2 NH4OH + Ag2CrO4 = (NH4)2CrO4 + 2 AgOH
Pb(C2H3O2)4 + K2O = PbO2 + K(C2H3O2) =>
Pb(C2H3O2)4 + 2 K2O = PbO2 + 4 K(C2H3O2)
Se + BrO3{-} + H2O = H2SeO4 + Br{-} =>
Se + BrO3{-} + H2O = H2SeO4 + Br{-}
Cu(OH)2 + H2SO4 + H2O = CuSO4*5H2O =>
Cu(OH)2 + H2SO4 + 3 H2O = CuSO4*5H2O
U3O8 + Al = U + Al2O3 =>
3 U3O8 + 16 Al = 9 U + 8 Al2O3
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
NH4FeCl3 = FeCl2 + NH3 + HCl =>
NH4FeCl3 = FeCl2 + NH3 + HCl
Na2S = Na + S8 =>
8 Na2S = 16 Na + S8
Ag(NO3)2(aq) + K2CrO4(aq) = AgCrO4 + KNO3 =>
Ag(NO3)2(aq) + K2CrO4(aq) = AgCrO4 + 2 KNO3
Cu2S(cr) + HNO3(aq) = Cu(NO3)2(aq) + CuSO4(aq) + NO2(g) + H2O(l) =>
Cu2S(cr) + 12 HNO3(aq) = Cu(NO3)2(aq) + CuSO4(aq) + 10 NO2(g) + 6 H2O(l)
HNO3 + NH4Cl = HCl + NH4NO3 =>
HNO3 + NH4Cl = HCl + NH4NO3
CH3COOH + O2 = CO2*H2O =>
CH3COOH + 2 O2 = 2 CO2*H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
C2H5OH + KMnO4 + H2SO4 = C2H4O + K2SO4 + MnSO4 + H2O =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 C2H4O + K2SO4 + 2 MnSO4 + 8 H2O
CaCl2 + AgSO4 = SO4Cl2 + AgCa =>
CaCl2 + AgSO4 = SO4Cl2 + AgCa
Al(NO3)3 + NaF = NaNO3 + AlF3 =>
Al(NO3)3 + 3 NaF = 3 NaNO3 + AlF3
KMn(O)4 + HCl = KCl + Mn(Cl)2 + (H)2O + (Cl)2 =>
2 KMn(O)4 + 16 HCl = 2 KCl + 2 Mn(Cl)2 + 8(H)2O + 5(Cl)2
S3P2 = S8 + P4 =>
8 S3P2 = 3 S8 + 4 P4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaCl(aq) + H2O = Cl2(g) + H2(g) + NaOH(aq) =>
2 NaCl(aq) + 2 H2O = Cl2(g) + H2(g) + 2 NaOH(aq)
Cr2O3 + KHSO4 = Cr2(SO4)3 + H2O + K2SO4 =>
Cr2O3 + 6 KHSO4 = Cr2(SO4)3 + 3 H2O + 3 K2SO4
BrH + H2SO4 = Br2 + SO2 + H2O =>
2 BrH + H2SO4 = Br2 + SO2 + 2 H2O
CuCl2 + Cu(OH)2 = Cu(OH)2CuCl2 =>
CuCl2 + Cu(OH)2 = Cu(OH)2CuCl2
TiO3 + C + Cl2 = TiCl4 + CO2 =>
2 TiO3 + 3 C + 4 Cl2 = 2 TiCl4 + 3 CO2
HNO3 = HH2O + NO2 + O2 =>
3 HNO3 = HH2O + 3 NO2 + O2
BaCl2(ac) + ZnSO4(ac) = BaSO4(s) + ZnCl2(ac) =>
BaCl2(ac) + ZnSO4(ac) = BaSO4(s) + ZnCl2(ac)
Al(s) + CuS2 = Cu(s) + AlS(aq) =>
2 Al(s) + CuS2 = Cu(s) + 2 AlS(aq)
HClH2O = H3ClO =>
HClH2O = H3ClO
AgNO3 + CaOH2 = Ag(OH2) + CaNO3 =>
AgNO3 + CaOH2 = Ag(OH2) + CaNO3
PbCl4(aq) + K3PO4(aq) = KCl(aq) + Pb3(PO4)4(s) =>
3 PbCl4(aq) + 4 K3PO4(aq) = 12 KCl(aq) + Pb3(PO4)4(s)
Br + Cl2 = BrCl2 =>
Br + Cl2 = BrCl2
C8H9ClO + Na2SO4 = NaCl + C8H9 + O2SO4 =>
2 C8H9ClO + Na2SO4 = 2 NaCl + 2 C8H9 + O2SO4
Zn + HMnO4 = Zn(MnO4)2 + H2 =>
Zn + 2 HMnO4 = Zn(MnO4)2 + H2
H2Br + Mg = MgBr2 + H2 =>
2 H2Br + Mg = MgBr2 + 2 H2
C3H5O3{-} + O2 = HCO3{-} + H{+} =>
C3H5O3{-} + 3 O2 = 3 HCO3{-} + 2 H{+}
Ca3(PO4)2(s) + H2SO4(aq) = CaSO4 + H3PO4 =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 3 CaSO4 + 2 H3PO4
BaO + Ca(OH)2 = CaO + Ba(OH)2 =>
BaO + Ca(OH)2 = CaO + Ba(OH)2
Fe(OH)2 + AgCl = AgOH + FeCl2 =>
Fe(OH)2 + 2 AgCl = 2 AgOH + FeCl2
KHCO3 + NaOH = H2O + K2CO3 + Na2CO3 =>
2 KHCO3 + 2 NaOH = 2 H2O + K2CO3 + Na2CO3
Na + BaOH = NaOH + Ba =>
Na + BaOH = NaOH + Ba
NaClO + Cr(OH)3 = H2O + NaOH + Na2CrO4 + Cl2 =>
6 NaClO + 2 Cr(OH)3 = 2 H2O + 2 NaOH + 2 Na2CrO4 + 3 Cl2
K2CrO4 + H2SO4 + Na2S = Cr2SO4 + K2SO4 + Na2SO4 + H2O =>
8 K2CrO4 + 12 H2SO4 + 5 Na2S = 4 Cr2SO4 + 8 K2SO4 + 5 Na2SO4 + 12 H2O
K2S2O8 + Al = K2SO4 + Al2(SO4)3 =>
3 K2S2O8 + 2 Al = 3 K2SO4 + Al2(SO4)3
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