Équations équilibrées la veille |
6 FeCl2 + K2Cr2O7 + 14 HCl = 6 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2(aq) + ZnSO4(s) =>
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2(aq) + ZnSO4(s)
HCl + H2NC(CH2OH)3 = ClH3NC(CH2OH)3 =>
HCl + H2NC(CH2OH)3 = ClH3NC(CH2OH)3
Al + Zn(SO4) = Zn + Al2(SO4)3 =>
2 Al + 3 Zn(SO4) = 3 Zn + Al2(SO4)3
C4H9OH + Cr2O7{2-} + H{+} = C4H8O + Cr{3+} + H2O =>
3 C4H9OH + Cr2O7{2-} + 8 H{+} = 3 C4H8O + 2 Cr{3+} + 7 H2O
(NH4)2[Fe(SCN)6] + NaF = (NH4)2[FeF6] + NaSCN =>
(NH4)2[Fe(SCN)6] + 6 NaF = (NH4)2[FeF6] + 6 NaSCN
Mo + NaNO3 + NaOH = Na2MoO4 + NaNO2 + H2O =>
Mo + 3 NaNO3 + 2 NaOH = Na2MoO4 + 3 NaNO2 + H2O
C6H5COOH(l) + O2(g) = CO2(g) + H2O(l) =>
2 C6H5COOH(l) + 15 O2(g) = 14 CO2(g) + 6 H2O(l)
CaSO4 + NH4HCO3 = CaCO3 + (NH4)2SO4 + CO2 + H2O =>
CaSO4 + 2 NH4HCO3 = CaCO3 + (NH4)2SO4 + CO2 + H2O
C17H29COOCH3 + O2 = CO2 + H2O =>
C17H29COOCH3 + 26 O2 = 19 CO2 + 16 H2O
LiOH*H2O + CO2 = Li2CO3 + H2O =>
2 LiOH*H2O + CO2 = Li2CO3 + 3 H2O
HCH2ClCO2(aq) + OH(aq) = CH2ClCO2(aq) + H2O(l) =>
HCH2ClCO2(aq) + OH(aq) = CH2ClCO2(aq) + H2O(l)
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
PbCrO4 + KI + HCl = PbCl2 + CrCl3 + KCl + I2 + H2O =>
2 PbCrO4 + 6 KI + 16 HCl = 2 PbCl2 + 2 CrCl3 + 6 KCl + 3 I2 + 8 H2O
[Fe(H2O)6]{3+} + NaSCN = [Fe(H2O)5SCN]{2+} + Na{+} + H2O =>
[Fe(H2O)6]{3+} + NaSCN = [Fe(H2O)5SCN]{2+} + Na{+} + H2O
Si12H3 + O2 = SiO2 + H2O3 =>
4 Si12H3 + 57 O2 = 48 SiO2 + 6 H2O3
CH4 + C3H6 = C4H10 =>
CH4 + C3H6 = C4H10
IO3 + H = I2 + H2O =>
2 IO3 + 12 H = I2 + 6 H2O
K2Cr2O7 + H2SO4 + HCHO = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 HCHO = K2SO4 + Cr2(SO4)3 + 3 HCOOH + 4 H2O
Sn{2+}(aq) + Fe{3+}(aq) = Sn{4+}(aq) + Fe{2+}(aq) =>
Sn{2+}(aq) + 2 Fe{3+}(aq) = Sn{4+}(aq) + 2 Fe{2+}(aq)
KNO3 + NaHSO4 = HNO3 + Na2SO4 + K2SO4 =>
2 KNO3 + 2 NaHSO4 = 2 HNO3 + Na2SO4 + K2SO4
Cl5P = Cl2 + P =>
2 Cl5P = 5 Cl2 + 2 P
H2PO4{-} + NH4{+} = H3PO4 + NH3 =>
H2PO4{-} + NH4{+} = H3PO4 + NH3
Ni + I2 = NiI =>
2 Ni + I2 = 2 NiI
Ca(HCrO4)2 + Ca(OH)2 = CaCrO4 + H2O =>
Ca(HCrO4)2 + Ca(OH)2 = 2 CaCrO4 + 2 H2O
Fe3C + (NH4)2SO4 = CO2 + FeSO4 + H2O + NH3 + SO2 =>
Fe3C + 8(NH4)2SO4 = CO2 + 3 FeSO4 + 8 H2O + 16 NH3 + 5 SO2
CH3CH2OH + HCl = CH3CH2Cl + H2O =>
CH3CH2OH + HCl = CH3CH2Cl + H2O
Li2S + Co(NO3)3 = LiNO3 + Co2S3 =>
3 Li2S + 2 Co(NO3)3 = 6 LiNO3 + Co2S3
Fe3C + (NH4)2SO4 = CO2 + FeSO4 + H2O + NH3 + SO2 =>
Fe3C + 8(NH4)2SO4 = CO2 + 3 FeSO4 + 8 H2O + 16 NH3 + 5 SO2
HF + FeCl3 = FeF3 + HCl =>
3 HF + FeCl3 = FeF3 + 3 HCl
C + HNO3 = CO2 + H2O + NO2 =>
C + 4 HNO3 = CO2 + 2 H2O + 4 NO2
Na + LiSO4 = Li + NaSO4 =>
Na + LiSO4 = Li + NaSO4
S2{-} + I2 = S + I{-} =>
2 S2{-} + I2 = 4 S + 2 I{-}
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
CH3CHO + Cr2O7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
3 CH3CHO + 5 Cr2O7{2-} + 40 H{+} = 6 CO2 + 10 Cr{3+} + 26 H2O
FeCl3 + K2S = FeS + KCl + S =>
2 FeCl3 + 3 K2S = 2 FeS + 6 KCl + S
Pb(NO3)2 + Na2CO3 = NaNO3 + PbCO3 =>
Pb(NO3)2 + Na2CO3 = 2 NaNO3 + PbCO3
CaCO + HC2 = CaC2 + H2O + CO2 =>
3 CaCO + 2 HC2 = 3 CaC2 + H2O + CO2
FeCl3 + Zn(OH)2 = Fe(OH)3 + ZnCl2 =>
2 FeCl3 + 3 Zn(OH)2 = 2 Fe(OH)3 + 3 ZnCl2
PbCrO4 + KI + HCl = PbCl2 + CrCl3 + KCl + I2 + H2O =>
2 PbCrO4 + 6 KI + 16 HCl = 2 PbCl2 + 2 CrCl3 + 6 KCl + 3 I2 + 8 H2O
Cs2 + CsNO2 = Cs2O + N2 =>
3 Cs2 + 2 CsNO2 = 4 Cs2O + N2
Na2CO3(aq) = Na + CO3 =>
Na2CO3(aq) = 2 Na + CO3
Fe2(SO4)3 + NH3 + H2O = H3FeO3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 H3FeO3 + 3(NH4)2SO4
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
ZnO2 + Cu = Cu2O + Zn =>
ZnO2 + 4 Cu = 2 Cu2O + Zn
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
(NH4)3 + PO4 + Pb(NO3)4 = Pb(PO4)4 + NH4NO3 =>
4(NH4)3 + 12 PO4 + 3 Pb(NO3)4 = 3 Pb(PO4)4 + 12 NH4NO3
Ta + Cl2 + NaOH = NaCl + Na3TaO4 + H2O =>
2 Ta + 5 Cl2 + 16 NaOH = 10 NaCl + 2 Na3TaO4 + 8 H2O
HNO3 + Ca(s) = Ca(NO3)2(aq) + H2 =>
2 HNO3 + Ca(s) = Ca(NO3)2(aq) + H2
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