| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na + Mn + 2 Se = NaMnSe2
CrCl3 + Mg = CrCl2 + MgCl2 =>
2 CrCl3 + Mg = 2 CrCl2 + MgCl2
Cd + O2 = CdO =>
2 Cd + O2 = 2 CdO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaNO3 + Ca(OH)2 = Ca(NO3)2 + NaOH =>
2 NaNO3 + Ca(OH)2 = Ca(NO3)2 + 2 NaOH
CaBr2 + MgCl2 = CaCl2 + MgBr2 =>
CaBr2 + MgCl2 = CaCl2 + MgBr2
Zn + O2 = Zn2O3 =>
4 Zn + 3 O2 = 2 Zn2O3
Na2CO3 + HCl = Na2Cl2H2CO3 =>
Na2CO3 + 2 HCl = Na2Cl2H2CO3
Al(NO3)3(aq) + Na2SO4(aq) = Al2(SO4)3(aq) + NaNO3(aq) =>
2 Al(NO3)3(aq) + 3 Na2SO4(aq) = Al2(SO4)3(aq) + 6 NaNO3(aq)
Cr(NO3)3 + Ba(OH)2 = Cr(OH)3 + Ba(NO3)2 =>
2 Cr(NO3)3 + 3 Ba(OH)2 = 2 Cr(OH)3 + 3 Ba(NO3)2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
KNO3 + Al + KOH + H2O = NH4OH + K3[Al(OH)4] =>
KNO3 + 8 Al + 23 KOH + 7 H2O = NH4OH + 8 K3[Al(OH)4]
Na2CO3 + H3PO4 = Na3PO4 + H2 + CO3 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2 + 3 CO3
KNO3 + NaOH + Al + H2O = NH3 + NaAlO2 + KAlO2 =>
3 KNO3 + 5 NaOH + 8 Al + 2 H2O = 3 NH3 + 5 NaAlO2 + 3 KAlO2
C5H8 + H2 = C5H8H4 =>
C5H8 + 2 H2 = C5H8H4
NaOH + NaNO3 + MnSO4 = Na2MnO4 + NaNO2 + Na2SO4 + H2O =>
4 NaOH + 2 NaNO3 + MnSO4 = Na2MnO4 + 2 NaNO2 + Na2SO4 + 2 H2O
C7H6ClHNO3H2SO4 = H2OHSO4C7H6ClNO2 =>
C7H6ClHNO3H2SO4 = H2OHSO4C7H6ClNO2
Zn + NO3{-} + H2O = Zn{2+} + NH4{+} + OH{-} =>
4 Zn + NO3{-} + 7 H2O = 4 Zn{2+} + NH4{+} + 10 OH{-}
C9H8O4 + OH = C7HO3 + C2H3O2 =>
11 C9H8O4 + 51 OH = C7HO3 + 46 C2H3O2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cl + KBr4 = KCl + Br2 =>
Cl + KBr4 = KCl + 2 Br2
CH3COOAg = Ag + CO2 + C2H6 =>
2 CH3COOAg = 2 Ag + 2 CO2 + C2H6
Co(OH)2 + ClO{-} = CoO2*H2O + Cl{-} =>
Co(OH)2 + ClO{-} = CoO2*H2O + Cl{-}
(H)2 + (O)2 = (H)2O =>
2(H)2 + (O)2 = 2(H)2O
HCl + NaCO3 = H(CO3) + NaCl =>
HCl + NaCO3 = H(CO3) + NaCl
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl(g) =>
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl(g)
NH3 + CU(NO3)3 = (CU(NH3)4)2 + NO3 =>
8 NH3 + 2 CU(NO3)3 = (CU(NH3)4)2 + 6 NO3
CH3COOH + HBr = CH3COOBr + H2 =>
CH3COOH + HBr = CH3COOBr + H2
MnO4{-} + H2S + H{+} = Mn{2+} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{2+} + 5 S + 8 H2O
CrO5 + H{+} = Cr3{+} + H2O + O2 =>
12 CrO5 + 4 H{+} = 4 Cr3{+} + 2 H2O + 29 O2
C2H5OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
FeCl3 + Cl2 + NaOH = NaCl + Na2FeO4 + H2O =>
2 FeCl3 + 3 Cl2 + 16 NaOH = 12 NaCl + 2 Na2FeO4 + 8 H2O
H2S + Na2CrO7 + H2SO4 = Cr(SO4)3 + H2O + NaHSO4 =>
3 H2S + 4 Na2CrO7 + 17 H2SO4 = 4 Cr(SO4)3 + 16 H2O + 8 NaHSO4
XeF4 + H2O = Xe + O + HF =>
XeF4 + 2 H2O = Xe + 2 O + 4 HF
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Cu(BF4)2 + C6H16N2 = Cu(C6H16N2)2(BF4)2 =>
Cu(BF4)2 + 2 C6H16N2 = Cu(C6H16N2)2(BF4)2
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
ClF3 + NH3 = N2 + HF + Cl2 =>
2 ClF3 + 2 NH3 = N2 + 6 HF + Cl2
C2H5OH + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 C2H4O + K2SO4 + Cr2(SO4)3 + 7 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH3(aq) + HCl = NH4Cl =>
NH3(aq) + HCl = NH4Cl
H2 + O2 = H2O = H22O =>
2 H2 + O2 = 2 H2O
iron + copper(II)chloride = iron(II)chloride + copper =>
Fe + CuCl2 = FeCl2 + Cu
KCl + Fe(NO3)3 = KNO3 + FeCl3 =>
3 KCl + Fe(NO3)3 = 3 KNO3 + FeCl3
KClO + HCl = KCl + HOH + Cl2 =>
KClO + 2 HCl = KCl + HOH + Cl2
NaCrO2 + NaClO + NaOH = Na2CrO4 + NaCl + H2 =>
2 NaCrO2 + 2 NaClO + 2 NaOH = 2 Na2CrO4 + 2 NaCl + H2
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
Cr2O3 + H2O = Cr2O7 + H3O =>
Cr2O3 + 12 H2O = Cr2O7 + 8 H3O
Te + H = TeH =>
Te + H = TeH
HC1 + MgO = MgC2 + H2O =>
2 HC1 + MgO = MgC2 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/24
Équations équilibrées sur12/27/23
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