Équations équilibrées la veille |
2 KI + 2 MnO2 + 4 H2SO4 = I2 + 2 KSO4 + 2 MnSO4 + 4 H2O
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
C17H21NO4 + HNO3 = C17H20(NO3)2 + H2O =>
C17H21NO4 + HNO3 = C17H20(NO3)2 + H2O
Br2 + InI3 = InBr3 + I2 =>
3 Br2 + 2 InI3 = 2 InBr3 + 3 I2
NaNO2 + Na2Cr2O7 + H2SO4 = NaNO3 + Cr(SO3)3 + H2O + Na2SO4 =>
6 NaNO2 + Na2Cr2O7 + 7 H2SO4 = 6 NaNO3 + 2 Cr(SO3)3 + 7 H2O + Na2SO4
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ti(NH2CONH2) + KI = Ti(NH2CONH2)I3 + K =>
Ti(NH2CONH2) + 3 KI = Ti(NH2CONH2)I3 + 3 K
F2(g) + HBr(aq) = HF(aq) + Br2(g) =>
F2(g) + 2 HBr(aq) = 2 HF(aq) + Br2(g)
C52H52 + O2 = H2O + CO2 =>
C52H52 + 65 O2 = 26 H2O + 52 CO2
(NH4)2[PbCl6](s) + H2O = PbO2 + HCl + NH4Cl =>
(NH4)2[PbCl6](s) + 2 H2O = PbO2 + 4 HCl + 2 NH4Cl
(b)C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2(b)C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Ta + C = TaC =>
Ta + C = TaC
Cr(ClO)3 + Ca(NO2)2 = Cr(NO2)2 + Ca(ClO)3 =>
Cr(ClO)3 + Ca(NO2)2 = Cr(NO2)2 + Ca(ClO)3
CH4 + O2 = CO2 + H20C = ,O = =>
5 CH4 + 4 O2 = 4 CO2 + H20C
KI + SO4 = KSIO4 =>
KI + SO4 = KSIO4
Br2 + HCl = BrCl + H2 =>
Br2 + 2 HCl = 2 BrCl + H2
NpF3 + Si = NpSi2 + SiF4 =>
4 NpF3 + 11 Si = 4 NpSi2 + 3 SiF4
Sn + H2SO4 = H2S + Sn(SO4) + H2O =>
4 Sn + 5 H2SO4 = H2S + 4 Sn(SO4) + 4 H2O
Cu2(aq) + NaOH(s) = Cu(OH)2(s) + Na(g) =>
Cu2(aq) + 4 NaOH(s) = 2 Cu(OH)2(s) + 4 Na(g)
C2H5CN + H2O = C2H5COOH + NH3 =>
C2H5CN + 2 H2O = C2H5COOH + NH3
Na2O + HI = H2O + NaI =>
Na2O + 2 HI = H2O + 2 NaI
F + NaCl2 = NaF + Cl2 =>
F + NaCl2 = NaF + Cl2
MoO3 + KMnO4 + H2SO4 = MoO5 + K2SO4 + MnSO4 + H2O =>
5 MoO3 + 4 KMnO4 + 6 H2SO4 = 5 MoO5 + 2 K2SO4 + 4 MnSO4 + 6 H2O
HNO3 = NO3 + NH4NO3 + H2O =>
10 HNO3 = 8 NO3 + NH4NO3 + 3 H2O
HCIO3 + NaOH = NaCIO3 + H2O =>
HCIO3 + NaOH = NaCIO3 + H2O
CH2O2 + NaOH = HCOONa + H2O =>
CH2O2 + NaOH = HCOONa + H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
LiH + C2H6O = LiOH + C2H6 =>
LiH + C2H6O = LiOH + C2H6
Hg2O = Hg + O2 =>
2 Hg2O = 4 Hg + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe + O2 + H2O = Fe2O*5H2O =>
4 Fe + O2 + 10 H2O = 2 Fe2O*5H2O
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
Fe(OH)3 + CH3COOH = H2O + Fe(C2H3O2)3 =>
Fe(OH)3 + 3 CH3COOH = 3 H2O + Fe(C2H3O2)3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
FeCl3(s) = Fe(s) + Cl2(aq) =>
2 FeCl3(s) = 2 Fe(s) + 3 Cl2(aq)
Na2S(aq) + HNO3(aq) = NaNO3(aq) + H2S(l) =>
Na2S(aq) + 2 HNO3(aq) = 2 NaNO3(aq) + H2S(l)
Zn(s) + HCl(aq) = H + ZnCl(aq) =>
Zn(s) + HCl(aq) = H + ZnCl(aq)
P2O5(g) + Mg(OH)2(aq) = H2O + MgP2O6 =>
P2O5(g) + Mg(OH)2(aq) = H2O + MgP2O6
HgCl2 + K2S = HgS + KCl =>
HgCl2 + K2S = HgS + 2 KCl
Ho2O3 + H2S = Ho2S3 + H2O =>
Ho2O3 + 3 H2S = Ho2S3 + 3 H2O
Ag(NO3)2(aq) + NaOH(aq) = AgOH(s) + Na(NO3)2(aq) =>
Ag(NO3)2(aq) + NaOH(aq) = AgOH(s) + Na(NO3)2(aq)
MgPO4 + Na3(NO3)2 + NH4NO3 = NH4MgPO4 + Na3(NO3)3 =>
MgPO4 + Na3(NO3)2 + NH4NO3 = NH4MgPO4 + Na3(NO3)3
K(s) + Br2(g) = KBr(s) =>
2 K(s) + Br2(g) = 2 KBr(s)
PtCl4 + Cl2 = PtCl9000 =>
PtCl4 + 4498 Cl2 = PtCl9000
CH2OH9CHOHCH2OH + O2 = CO2 + H2O =>
2 CH2OH9CHOHCH2OH + 11 O2 = 6 CO2 + 16 H2O
Ho2O3 + H2S = Ho2S3 + H2O =>
Ho2O3 + 3 H2S = Ho2S3 + 3 H2O
Fe + NH3 + H2O = Fe(OH)3 + NH4 =>
Fe + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4
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