Équations équilibrées la veille |
5 C2H6O + 4 MnO4{-} + 12 H{+} = 5 C2H4O2 + 4 Mn{2} + 11 H2O
Na2CO3(ac) + MgSO4(ac) = MgCO3 + Na2SO4 =>
Na2CO3(ac) + MgSO4(ac) = MgCO3 + Na2SO4
MgCl2 + NaBr = NaCl + MgBr2 =>
MgCl2 + 2 NaBr = 2 NaCl + MgBr2
C2H5OH + NH4NO3 = CO2 + N2 + H2O =>
C2H5OH + 6 NH4NO3 = 2 CO2 + 6 N2 + 15 H2O
NaNO2 + H2SO4 = Na2SO4 + H2O + O2 + NO =>
4 NaNO2 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO
C4H10O2 + O2 = C2 + H2O =>
2 C4H10O2 + 3 O2 = 4 C2 + 10 H2O
FeSO4 + NaOH + HCN = H2O + Na4[Fe(CN)6] + Na2SO4 =>
FeSO4 + 6 NaOH + 6 HCN = 6 H2O + Na4[Fe(CN)6] + Na2SO4
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
Cu(NO3)2 + NaI = CuI2 + NaNO3 =>
Cu(NO3)2 + 2 NaI = CuI2 + 2 NaNO3
Cr(OH)3 + Na2SO4 + H2O2 = Na2CrO4 + H2SO4 + H2O =>
2 Cr(OH)3 + 2 Na2SO4 + 3 H2O2 = 2 Na2CrO4 + 2 H2SO4 + 4 H2O
CH3CH2COONaHCl = CH3CH2COOHNaCl =>
CH3CH2COONaHCl = CH3CH2COOHNaCl
Cl{-} + MnO4{-} + H2O = Cl2 + MnO2 + OH{-} =>
6 Cl{-} + 2 MnO4{-} + 4 H2O = 3 Cl2 + 2 MnO2 + 8 OH{-}
FeCl3 + CuSO4 = FeSO4Cl3Cu =>
FeCl3 + CuSO4 = FeSO4Cl3Cu
Ge + KOH + H2O2 = K2[Ge2(OH)4] =>
2 Ge + 2 KOH + H2O2 = K2[Ge2(OH)4]
MnSO4 + KClO3 + KOH = K2MnO4 + KCl + K2SO4 + H2O =>
3 MnSO4 + 2 KClO3 + 12 KOH = 3 K2MnO4 + 2 KCl + 3 K2SO4 + 6 H2O
Si + ClCl = SiClClClCl =>
Si + 2 ClCl = SiClClClCl
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
H2SO3 + NaOH = H2O + Na2SO3 =>
H2SO3 + 2 NaOH = 2 H2O + Na2SO3
Na2S4O6 + Cl2 + H2O = NaCl + HCl + H2SO4 =>
Na2S4O6 + 7 Cl2 + 10 H2O = 2 NaCl + 12 HCl + 4 H2SO4
KI + H2SO4 = H2O + I2 + K2SO4 + H2S =>
8 KI + 5 H2SO4 = 4 H2O + 4 I2 + 4 K2SO4 + H2S
SO3{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
SO3{2-} + Cl2 + 2 OH{-} = SO4{2-} + 2 Cl{-} + H2O
Br2 + NH4OH = NH4Br + N2 + H2O =>
3 Br2 + 8 NH4OH = 6 NH4Br + N2 + 8 H2O
KNO2 + HNO3 = KNO3 + NO2 + H2O =>
KNO2 + 2 HNO3 = KNO3 + 2 NO2 + H2O
Sn + H3AsO3 = H2 + Sn3(AsO3)4 =>
3 Sn + 4 H3AsO3 = 6 H2 + Sn3(AsO3)4
NH4HS = H2S + NH3 =>
NH4HS = H2S + NH3
CaCl2 + K2SO3 = CaSO3 + K2Cl2 =>
CaCl2 + K2SO3 = CaSO3 + K2Cl2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Ca(C2H3O2)2 + K2SO4 = K2(C2H3O2)2 + CaSO4 =>
Ca(C2H3O2)2 + K2SO4 = K2(C2H3O2)2 + CaSO4
NiSO4 + KSCN = Ni(SCN)2 + K2SO4 =>
NiSO4 + 2 KSCN = Ni(SCN)2 + K2SO4
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
Cz + O2 = CzO =>
2 Cz + O2 = 2 CzO
PCl5 + NaOH + H2O = PH3 + NaH2PO4 + Cl2 =>
8 PCl5 + 3 NaOH + 9 H2O = 5 PH3 + 3 NaH2PO4 + 20 Cl2
HF + RbOH = RbF + HOH =>
HF + RbOH = RbF + HOH
NaZnO2 + H2O = Zn(OH)2 + NaO =>
NaZnO2 + H2O = Zn(OH)2 + NaO
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
HI + Pb(NO3)2 = HNO3 + PbI2 =>
2 HI + Pb(NO3)2 = 2 HNO3 + PbI2
C3H6O2(i) + O2(g) = CO2(g) + H2O(g) =>
2 C3H6O2(i) + 7 O2(g) = 6 CO2(g) + 6 H2O(g)
C3H6N6 + CH2O = C4H8N6O =>
C3H6N6 + CH2O = C4H8N6O
Al{3+} + H2O = AlOH{2+} + H{+} =>
Al{3+} + H2O = AlOH{2+} + H{+}
Ca(OH)2 + H3SbO4 = Ca3(SbO4)2 + H2O =>
3 Ca(OH)2 + 2 H3SbO4 = Ca3(SbO4)2 + 6 H2O
Cu(NO3)2 + NH4OH = Cu(NH3)4 + NO3 + H2O =>
Cu(NO3)2 + 4 NH4OH = Cu(NH3)4 + 2 NO3 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C4H9Br + NH3 = C4H9NH2 + HBr =>
C4H9Br + NH3 = C4H9NH2 + HBr
CH2Cl2 + Br2 = CH2Br2 + Cl2 =>
CH2Cl2 + Br2 = CH2Br2 + Cl2
C15H16O2 + COCl2 + NaOH = (OC6H4C(CH3)2C6H4OCO)5 + NaCl + H2O =>
5 C15H16O2 + 5 COCl2 + 10 NaOH = (OC6H4C(CH3)2C6H4OCO)5 + 10 NaCl + 10 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
SO2 + HF = SF4 + H2O =>
SO2 + 4 HF = SF4 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Pb + K2O + H2O = K[Pb(OH)3] + H2 =>
2 Pb + K2O + 5 H2O = 2 K[Pb(OH)3] + 2 H2
[Fe(CN)6]{4-} + H{+} = HCN + Fe(CN)2 =>
[Fe(CN)6]{4-} + 4 H{+} = 4 HCN + Fe(CN)2
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