Équations équilibrées la veille |
Fe + S = FeS
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
Mg(s) + H2SO4(aq) = MgSO4(g) + H2 =>
Mg(s) + H2SO4(aq) = MgSO4(g) + H2
Cr(ClO3)3 = CrCl3 + O3 =>
Cr(ClO3)3 = CrCl3 + 3 O3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu2O2 + H2SO4 = Cu2SO4 + H2O2 =>
Cu2O2 + H2SO4 = Cu2SO4 + H2O2
C6H4(OH)2 + NH3 = C6H4OHNH2 + H2O =>
C6H4(OH)2 + NH3 = C6H4OHNH2 + H2O
Al(OH)3 + CaCo3 = Al2(Co3)3 + Ca(OH)2 =>
2 Al(OH)3 + 3 CaCo3 = Al2(Co3)3 + 3 Ca(OH)2
AgNO3 + Na2(SO4) = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2(SO4) = Ag2SO4 + 2 NaNO3
HNO2 + Na(OH) = Na(NO2) + H2O =>
HNO2 + Na(OH) = Na(NO2) + H2O
CH3COOH + NaHCO3 = Na(C2H3O2) + CO2 + H2O =>
CH3COOH + NaHCO3 = Na(C2H3O2) + CO2 + H2O
C5H11N + H2SO4 = C5H10NH3SO4 =>
C5H11N + H2SO4 = C5H10NH3SO4
CH3ONa + CO2 + H2O = CH3OH + Na2CO3 =>
2 CH3ONa + CO2 + H2O = 2 CH3OH + Na2CO3
Fe2[SO4]3 + KSCN = Fe(SCN)3 + K2SO4 =>
Fe2[SO4]3 + 6 KSCN = 2 Fe(SCN)3 + 3 K2SO4
NH4Br + OH = NH4OH + Br =>
NH4Br + OH = NH4OH + Br
Sn + NO = SnN + O =>
Sn + NO = SnN + O
Fe + CaH2 = FeH + Ca =>
2 Fe + CaH2 = 2 FeH + Ca
KBiO3 + Cr2(SO4)3 + H2SO4 = K2Cr2O7 + KSO4 + Bi2(SO4)3 + H2O =>
4 KBiO3 + Cr2(SO4)3 + 5 H2SO4 = K2Cr2O7 + 2 KSO4 + 2 Bi2(SO4)3 + 5 H2O
KMnO4 + KCl + H2SO4 = MnSO4 + H2O + K2SO4 + Cl2 =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 2 MnSO4 + 8 H2O + 6 K2SO4 + 5 Cl2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
KBiO3 + Cr2(SO4)3 + H2SO4 = K2Cr2O7 + KSO4 + Bi2(SO4)3 + H2O =>
4 KBiO3 + Cr2(SO4)3 + 5 H2SO4 = K2Cr2O7 + 2 KSO4 + 2 Bi2(SO4)3 + 5 H2O
C6H5CH2Cl + AgNO3 + H2O = C6H5CH3 + AgCl + HNO4 =>
C6H5CH2Cl + AgNO3 + H2O = C6H5CH3 + AgCl + HNO4
NaOH + H2SO3 = Na2SO3 + H2O =>
2 NaOH + H2SO3 = Na2SO3 + 2 H2O
KMnO4 + H2S04 + H2O2 = H2O + K2SO4 + MnSO4 =>
8 KMnO4 + 3 H2S04 + 19 H2O2 = 22 H2O + 4 K2SO4 + 8 MnSO4
MnO4{-} + H{+} + e = Mn2 + H2O =>
2 MnO4{-} + 16 H{+} + 14e = Mn2 + 8 H2O
MgCl2(aq)CuSO4(aq) = MgSO4(s)CuCl2(aq) =>
MgCl2(aq)CuSO4(aq) = MgSO4(s)CuCl2(aq)
(NH4)2S + As(NO3)3 = As2S3 + NH4NO3 =>
3(NH4)2S + 2 As(NO3)3 = As2S3 + 6 NH4NO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KNO3 + H2O = K2O + HNO3 =>
2 KNO3 + H2O = K2O + 2 HNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CrSO4 + NaOH = Cr(OH)2 + Na2SO4 =>
CrSO4 + 2 NaOH = Cr(OH)2 + Na2SO4
K + H2SO4 = K2SO4 + H2O + H2S =>
8 K + 5 H2SO4 = 4 K2SO4 + 4 H2O + H2S
C + H2 = CH4 =>
C + 2 H2 = CH4
H2SO4(aq) + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4(aq) + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
(NH4)2S(aq) + Pb(NO3)2 = PbS(s) + NH4NO3 =>
(NH4)2S(aq) + Pb(NO3)2 = PbS(s) + 2 NH4NO3
H4Fe(CN)6 + Al(OH)3 = HOH + Al4(Fe(CN)6)3 =>
3 H4Fe(CN)6 + 4 Al(OH)3 = 12 HOH + Al4(Fe(CN)6)3
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
ZnCl2 + Ag3PO4 = Zn3(PO4)2 + AgCl =>
3 ZnCl2 + 2 Ag3PO4 = Zn3(PO4)2 + 6 AgCl
Cr2(SO3)3 + H2SO4 = Cr2(SO4)3 + H2SO3 =>
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2SO3
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
C10H12(l) + O2(g) = CO2(g) + H2O(l) =>
C10H12(l) + 13 O2(g) = 10 CO2(g) + 6 H2O(l)
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Sr(OH)2 = Sr + H2O + O2 =>
2 Sr(OH)2 = 2 Sr + 2 H2O + O2
NaOH = H2 + NaO =>
2 NaOH = H2 + 2 NaO
ZnCO3 = CO2 + ZnO =>
ZnCO3 = CO2 + ZnO
NaOH + SnO2 + H2O2 = H2O + Na2SnO4 =>
2 NaOH + SnO2 + H2O2 = 2 H2O + Na2SnO4
KMnO4 + KI + HI = I2 + K2MnO2 + H2O =>
2 KMnO4 + 2 KI + 8 HI = 5 I2 + 2 K2MnO2 + 4 H2O
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