Équations équilibrées la veille |
2 KMnO4 + 2 H2O + KI = 2 MnO2 + 3 KOH + HIO3
H2SO4 + NaNO3 = H2Na + SO4NO3 =>
H2SO4 + NaNO3 = H2Na + SO4NO3
Mn2O3 + H2O = HMnO2 =>
Mn2O3 + H2O = 2 HMnO2
C2H4O2 = CO + H2 =>
C2H4O2 = 2 CO + 2 H2
Mg + H2SiO3 = MgH2SiO3 =>
Mg + H2SiO3 = MgH2SiO3
HO2CCH(NH2)CH2SH + O2 = (HO2CCH(NH2)CH2S)2 + H2O =>
4 HO2CCH(NH2)CH2SH + O2 = 2(HO2CCH(NH2)CH2S)2 + 2 H2O
Fe + SO4 = Fe3O4 + S =>
3 Fe + SO4 = Fe3O4 + S
Ca + H2O = CaHOH =>
Ca + H2O = CaHOH
KIO3 + Sr(NO3)2 = Sr(IO3)2 + KNO3 =>
2 KIO3 + Sr(NO3)2 = Sr(IO3)2 + 2 KNO3
NaNO3 + Na2SO4 = NaSO4 + Na2NO3 =>
NaNO3 + Na2SO4 = NaSO4 + Na2NO3
C2H8O7P2 + KOH = C2H4K4O7P2 + H2O =>
C2H8O7P2 + 4 KOH = C2H4K4O7P2 + 4 H2O
ZnS + SnCl2 = ZnCl2 + SnS =>
ZnS + SnCl2 = ZnCl2 + SnS
Na + Cl = NaCl =>
Na + Cl = NaCl
B + NaOH + H2O = NaB(OH)4 + H2 =>
2 B + 2 NaOH + 6 H2O = 2 NaB(OH)4 + 3 H2
Pu + O2 = PuO2 =>
Pu + O2 = PuO2
(CaOH)2SO4 + H2SO4 = CaSO4 + H2O =>
(CaOH)2SO4 + H2SO4 = 2 CaSO4 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CuCl2 + H3PO2 = POCl3 + H3PO3 + CuCl + HCl =>
6 CuCl2 + 2 H3PO2 = POCl3 + H3PO3 + 6 CuCl + 3 HCl
NH4Cl + Ca(OH)2 = (NH3) + CaCl2 + H2O =>
2 NH4Cl + Ca(OH)2 = 2(NH3) + CaCl2 + 2 H2O
H2 + Ce = HCe2 =>
H2 + 4 Ce = 2 HCe2
Pu + O2 = PuO10 =>
Pu + 5 O2 = PuO10
Ba(HS)2 + Cl2 + H2O = Ba(OH)2 + HCl + H2SO4 =>
Ba(HS)2 + 8 Cl2 + 10 H2O = Ba(OH)2 + 16 HCl + 2 H2SO4
K(CN) + MnO2 + HCl = KCl + MnCl2 + CO2 + NO2 + H2O =>
2 K(CN) + 9 MnO2 + 20 HCl = 2 KCl + 9 MnCl2 + 2 CO2 + 2 NO2 + 10 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H3PO4 + KOH = K2HPO4 + H2O =>
H3PO4 + 2 KOH = K2HPO4 + 2 H2O
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
MgCl2*3H2O = MgCl2 + H2O =>
MgCl2*3H2O = MgCl2 + 3 H2O
C3H7OH + O2 = C2H5CHO + H2O =>
2 C3H7OH + O2 = 2 C2H5CHO + 2 H2O
Fe2(SO4)3 + BaBr2 = FeBr3 + BaSO4 =>
Fe2(SO4)3 + 3 BaBr2 = 2 FeBr3 + 3 BaSO4
SiCl4 + NaOH = NaCl + H2SiO3 + H2O =>
SiCl4 + 4 NaOH = 4 NaCl + H2SiO3 + H2O
C6H12O + Cr2O7{2-} + H{+} = C6H10O + Cr{3+} + H2O =>
3 C6H12O + Cr2O7{2-} + 8 H{+} = 3 C6H10O + 2 Cr{3+} + 7 H2O
K3[Cu(CN)4] + O2 = K2CO3 + CuO + N2 + CO2 =>
4 K3[Cu(CN)4] + 21 O2 = 6 K2CO3 + 4 CuO + 8 N2 + 10 CO2
[Cu(NH3)4](oh)2 + K4Fe(CN)6 = Cu2Fe(CN)6 + K + (NH3) =>
[Cu(NH3)4](oh)2 + K4Fe(CN)6 = Cu2Fe(CN)6 + 4 K + 8(NH3)
Fe + KMnO4 = FeO + K2O + MnO =>
5 Fe + 2 KMnO4 = 5 FeO + K2O + 2 MnO
MgI2 + PbH4 = PbI2 + MgH4 =>
MgI2 + PbH4 = PbI2 + MgH4
Na2SO4 + H2SO4 = Na2SO4H + SO4 =>
2 Na2SO4 + H2SO4 = 2 Na2SO4H + SO4
KSO4 + MgI = KI + MgSO4 =>
KSO4 + MgI = KI + MgSO4
Ca3P2 + KMnO4 + H2SO4 = Ca3(PO4)2 + K2SO4 + MnSO4 + H2O =>
5 Ca3P2 + 16 KMnO4 + 24 H2SO4 = 5 Ca3(PO4)2 + 8 K2SO4 + 16 MnSO4 + 24 H2O
MgO + H2SiO3 = Mg(SiO3) + H2O =>
MgO + H2SiO3 = Mg(SiO3) + H2O
Na2SO4 + Na2CO3 = Na4SO4CO3 =>
Na2SO4 + Na2CO3 = Na4SO4CO3
Hg + HNO3 + HCl = NO + H2O + HgCl2 =>
3 Hg + 2 HNO3 + 6 HCl = 2 NO + 4 H2O + 3 HgCl2
PBr3 + NH4N3 = NH4Br + PN + N2 =>
PBr3 + 3 NH4N3 = 3 NH4Br + PN + 4 N2
PbS + O2 = Pb3O4 + SO2 =>
3 PbS + 5 O2 = Pb3O4 + 3 SO2
KOH + I2 + NO3K + H2O = IO3K + NH3 =>
3 KOH + 4 I2 + 5 NO3K + 6 H2O = 8 IO3K + 5 NH3
C6H12O6 + O(g) = CO2(g) + H2O(g) =>
C6H12O6 + 12 O(g) = 6 CO2(g) + 6 H2O(g)
BaO + H2O = Ba2H2 + O2 =>
4 BaO + 2 H2O = 2 Ba2H2 + 3 O2
B + HNO3 + H2F2 = H(BF4) + NO2 + H2O =>
B + 3 HNO3 + 2 H2F2 = H(BF4) + 3 NO2 + 3 H2O
NH4VO3 + H2SO4 + FeSO4 = VO + (NH4)2SO2 + H2O + Fe2(SO4)3 =>
2 NH4VO3 + 6 H2SO4 + 10 FeSO4 = 2 VO + (NH4)2SO2 + 6 H2O + 5 Fe2(SO4)3
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
Pb(N3) = Pb + N2 =>
2 Pb(N3) = 2 Pb + 3 N2
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