Équations équilibrées la veille |
V2O5 + 2 C3H8 = V2O3 + 2 C3H6 + 2 H2O
I{-} + H3O{+} + O3 = H2O + HIO3 =>
I{-} + H3O{+} + O3 = H2O + HIO3
FeBr2 + KOH = Fe(OH)2 + KBr =>
FeBr2 + 2 KOH = Fe(OH)2 + 2 KBr
MgCl2 + Ba(OH)2 = Mg(OH)2 + Ba(Cl)2 =>
MgCl2 + Ba(OH)2 = Mg(OH)2 + Ba(Cl)2
H2O2(aq) = H2O(l) + O2(g)H2O2(aq) = H2O(l) + O2(g),theO2(g)O2(g) =>
3 H2O2(aq) = 2 H2O(l) + O2(g)H2O2(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al(s) + FeCl3(aq) = Fe(s) + Al(Cl3)(aq) =>
Al(s) + FeCl3(aq) = Fe(s) + Al(Cl3)(aq)
Zm + HCe = ZmCe2 + H2 =>
Zm + 2 HCe = ZmCe2 + H2
K2Cr2O7 + H2SO4 + KCl = Cl2 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KCl = 3 Cl2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
Bi2O3 + Se = Bi2SeO5 + Bi =>
5 Bi2O3 + 3 Se = 3 Bi2SeO5 + 4 Bi
Ca(CH3COO)2 = CaO + CO2 + CH3CH3CO =>
Ca(CH3COO)2 = CaO + CO2 + CH3CH3CO
KOH + CuCl2 = Cu(OH)2 + K2Cl2 =>
2 KOH + CuCl2 = Cu(OH)2 + K2Cl2
CO2 + Br2 = C + BrO =>
CO2 + Br2 = C + 2 BrO
Cr(OH)3 + NaOH + NaClO3 = Na2CrO4 + NaCl + H2O =>
2 Cr(OH)3 + 4 NaOH + NaClO3 = 2 Na2CrO4 + NaCl + 5 H2O
K3[Fe(SCN)6] + KF = K3[FeF6] + KSCN =>
K3[Fe(SCN)6] + 6 KF = K3[FeF6] + 6 KSCN
BaCI2 + Na2CO3 = BaNa2 + CO3CI2 =>
BaCI2 + Na2CO3 = BaNa2 + CO3CI2
CrCl3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 + Cl2 =>
2 CrCl3 + 2 Na2CO3 + 6 KNO3 = 2 Na2CrO4 + 2 CO2 + 6 KNO2 + 3 Cl2
Ba(ClO3)2 + Na3PO4 = Ba3(PO4)2 + NaClO3 =>
3 Ba(ClO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaClO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2S + Cl2 = HCl + S =>
H2S + Cl2 = 2 HCl + S
PbI2 + AlBr3 = PbBr2 + AlI3 =>
3 PbI2 + 2 AlBr3 = 3 PbBr2 + 2 AlI3
C + HNO = CO2 + N02 + H2O =>
C + 4 HNO = CO2 + 2 N02 + 2 H2O
Ni(NO3)2 + H2O = [Ni(H2O)6]2 + NO3 =>
2 Ni(NO3)2 + 12 H2O = [Ni(H2O)6]2 + 4 NO3
NaOH + C2H5Cl = C2H6O + NaCl =>
NaOH + C2H5Cl = C2H6O + NaCl
Ca(NO3)2 + H2O2 + NaOH = Ca(OH)2 + Na(NO3)2 =>
2 Ca(NO3)2 + H2O2 + 2 NaOH = 2 Ca(OH)2 + 2 Na(NO3)2
Cr2O7{-2} + H2S + H3O{+} = Cr{+3} + S8 + H2O =>
8 Cr2O7{-2} + 24 H2S + 64 H3O{+} = 16 Cr{+3} + 3 S8 + 120 H2O
AgNO3 + K3Fe(Cn)6 = Ag3Fe(Cn)6 + KNO3 =>
3 AgNO3 + K3Fe(Cn)6 = Ag3Fe(Cn)6 + 3 KNO3
Mn2O7 + NH3 = N2 + MnO2 + H2O =>
Mn2O7 + 2 NH3 = N2 + 2 MnO2 + 3 H2O
Co(NO3)2(H2O)7 + NH4SCN + HgCl2 = Hg[Co(NCS)4] + NH4Cl + NH4NO3 + H2O =>
Co(NO3)2(H2O)7 + 4 NH4SCN + HgCl2 = Hg[Co(NCS)4] + 2 NH4Cl + 2 NH4NO3 + 7 H2O
K2S + Cu(C2H3O2)2 = K(C2H3O2) + CuS =>
K2S + Cu(C2H3O2)2 = 2 K(C2H3O2) + CuS
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
Al(OH)3 + HN(O3) = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HN(O3) = Al(NO3)3 + 3 H2O
C6H12 + KMnO4 = C6H12O2 + KMnO2 =>
C6H12 + KMnO4 = C6H12O2 + KMnO2
Fe2(SO4) + Mg = Mg(SO4) + Fe =>
Fe2(SO4) + Mg = Mg(SO4) + 2 Fe
Sn + FeCl3 = SnCl2 + FeCl2 =>
Sn + 2 FeCl3 = SnCl2 + 2 FeCl2
SrCO3 + ZrO2 = Sr3Zr2O7 + CO2 =>
3 SrCO3 + 2 ZrO2 = Sr3Zr2O7 + 3 CO2
Cu + O2 = Cu2O2 =>
2 Cu + O2 = Cu2O2
Zn(s) + AgNO3 = ZnNO3(aq) + Ag(s) =>
Zn(s) + AgNO3 = ZnNO3(aq) + Ag(s)
CuSn + HNO3 = Cu(NO3)2 + Sn(NO3)2 + NO + H2O =>
3 CuSn + 16 HNO3 = 3 Cu(NO3)2 + 3 Sn(NO3)2 + 4 NO + 8 H2O
C4 + H = C3H8 =>
3 C4 + 32 H = 4 C3H8
Fe2(SO4)3 + NH2OH = FeSO4 + H2SO4 + N2O + H2O =>
2 Fe2(SO4)3 + 2 NH2OH = 4 FeSO4 + 2 H2SO4 + N2O + H2O
K2SO4 + I2 + NO2 + H2O = KI + HNO3 + H2SO4 =>
K2SO4 + I2 + 2 NO2 + 2 H2O = 2 KI + 2 HNO3 + H2SO4
NaBH4(s) + I2 = B2H6(g) + H2(g) + NaI(s) =>
2 NaBH4(s) + I2 = B2H6(g) + H2(g) + 2 NaI(s)
CoN6H9O6 + H2O = CoN6H8O6 + H3O =>
CoN6H9O6 + H2O = CoN6H8O6 + H3O
H2SO4 + Ni(NO3)2 = NiSO4 + H(NO3) =>
H2SO4 + Ni(NO3)2 = NiSO4 + 2 H(NO3)
Te + H2SO4 = Te4{2+} + H2O + SO2 + HSO4{-} =>
4 Te + 3 H2SO4 = Te4{2+} + 2 H2O + SO2 + 2 HSO4{-}
(NH4)3PO4 + Cd(NO3)2 = NO3NH4 + Cd3(PO4)2 =>
2(NH4)3PO4 + 3 Cd(NO3)2 = 6 NO3NH4 + Cd3(PO4)2
CUCl2 + SO2 + H2O = CUCl + HCl + H2SO4 =>
2 CUCl2 + SO2 + 2 H2O = 2 CUCl + 2 HCl + H2SO4
NaHSO4 + Na2S = Na2SO4 + H2S =>
2 NaHSO4 + Na2S = 2 Na2SO4 + H2S
K2[Zn(OH)4] + HCl = Zn(OH)2 + H2O + KCl =>
K2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 H2O + 2 KCl
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