Équations équilibrées la veille |
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
C13H10O + NaBH4 + H2O = C13H12O + NaH2BO3 =>
4 C13H10O + NaBH4 + 3 H2O = 4 C13H12O + NaH2BO3
Al2S3 = Al + S =>
Al2S3 = 2 Al + 3 S
K2SO3 + HCl = SO2 + H2O + KCl =>
K2SO3 + 2 HCl = SO2 + H2O + 2 KCl
H2S(g) + SO2 = S(s) + H2O(g) =>
2 H2S(g) + SO2 = 3 S(s) + 2 H2O(g)
KI + NH4Cl = KCl + INH4 =>
KI + NH4Cl = KCl + INH4
KNO3(aq) + CuCl2(aq) = KCl(aq) + Cu(NO3)2(aq) =>
2 KNO3(aq) + CuCl2(aq) = 2 KCl(aq) + Cu(NO3)2(aq)
AgNO3 + Fe2S3 = Ag2S + Fe(NO3)3 =>
6 AgNO3 + Fe2S3 = 3 Ag2S + 2 Fe(NO3)3
C13H10O + NaBH4 + H2O = C13H12O + NaB(OH)4 =>
4 C13H10O + NaBH4 + 4 H2O = 4 C13H12O + NaB(OH)4
Br2(l) + P4(s) = P2Br5(s) =>
5 Br2(l) + P4(s) = 2 P2Br5(s)
H2S(g) + SO2 = S8(s) + H2O(g) =>
16 H2S(g) + 8 SO2 = 3 S8(s) + 16 H2O(g)
Bi + H2 = BiH3 =>
2 Bi + 3 H2 = 2 BiH3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C6H4(OH)2 + NaOH = C6H4(ONa)2 + H2O =>
C6H4(OH)2 + 2 NaOH = C6H4(ONa)2 + 2 H2O
KNO3(aq) + CuCl2(aq) = KCl(aq) + Cu(NO3)2(aq) =>
2 KNO3(aq) + CuCl2(aq) = 2 KCl(aq) + Cu(NO3)2(aq)
Pb(NO3)2 + Na2(CO3) = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2(CO3) = PbCO3 + 2 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Bi + H2 = BiH =>
2 Bi + H2 = 2 BiH
Pb(NO3)4 + CuSO4 = Pb2(SO4)4 + Cu(NO3)2 =>
2 Pb(NO3)4 + 4 CuSO4 = Pb2(SO4)4 + 4 Cu(NO3)2
Zn(OH)2 = Zn + OH =>
Zn(OH)2 = Zn + 2 OH
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Bi + H2 = BiH2 =>
Bi + H2 = BiH2
C6H8O7 + Ca(OH)2 = Ca3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 Ca(OH)2 = Ca3(C6H5O7)2 + 6 H2O
C5H9OH + CuO = C5H7OH + Cu + H2O =>
C5H9OH + CuO = C5H7OH + Cu + H2O
H2SO4 + NaOH = Na2SO4 + H2O = H2 =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C4H6 + KMnO4 + H2O = C4H6OOH + MnO2 + KOH =>
C4H6 + KMnO4 + H2O = C4H6OOH + MnO2 + KOH
CdCrO4 + As2O3 = As2CrO4 + CdO3 =>
CdCrO4 + As2O3 = As2CrO4 + CdO3
Sr3N2 + Cs3(PO3) = Cs3N + Sr3(PO3)2 =>
Sr3N2 + 2 Cs3(PO3) = 2 Cs3N + Sr3(PO3)2
KClO3 + Mn(NO3)2 = MnO2 + ClO2KNO3 =>
2 KClO3 + Mn(NO3)2 = MnO2 + 2 ClO2KNO3
HNO2 + MgCl2 = Mg(NO2)2 + HCl =>
2 HNO2 + MgCl2 = Mg(NO2)2 + 2 HCl
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na2(NO3)2 =>
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na2(NO3)2
SO2 + H2O = (SO2)2O + H =>
2 SO2 + H2O = (SO2)2O + 2 H
AlC3O9 = O2 + AlC3 =>
2 AlC3O9 = 9 O2 + 2 AlC3
Bi + H2 = BiH =>
2 Bi + H2 = 2 BiH
C8H10 + Cl2 = C8H9Cl2 + HCl =>
2 C8H10 + 3 Cl2 = 2 C8H9Cl2 + 2 HCl
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Bi + H2 = BiH2 =>
Bi + H2 = BiH2
Pb(NO3)2 + Na2(CO3) = Pb2(CO3)2 + Na(NO3) =>
2 Pb(NO3)2 + 2 Na2(CO3) = Pb2(CO3)2 + 4 Na(NO3)
KHSO4 = K2S2O7 + H2O =>
2 KHSO4 = K2S2O7 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
KI + NH4Cl = KCl + INH4 =>
KI + NH4Cl = KCl + INH4
ZnS + Li4C = Zn2C + Li2S =>
2 ZnS + Li4C = Zn2C + 2 Li2S
NaOH + HCI = NaHCI + OH =>
NaOH + HCI = NaHCI + OH
Al + KOH = Al(OH)3 + K =>
Al + 3 KOH = Al(OH)3 + 3 K
KOH + CO = KCOOH =>
KOH + CO = KCOOH
C3H6Cl2Zn = C3H6ZnCl2 =>
C3H6Cl2Zn = C3H6ZnCl2
Bi + H2 = BiH3 =>
2 Bi + 3 H2 = 2 BiH3
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na(NO3) =>
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + 2 Na(NO3)
F + AlCl3 = ClF + Al =>
3 F + AlCl3 = 3 ClF + Al
KI + NH4Cl = KCl + INH4 =>
KI + NH4Cl = KCl + INH4
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