| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 FeCr2O + 8 K2CO3 + 13 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CaP + H2O = Ca(OH)2 + P2H4 =>
2 CaP + 4 H2O = 2 Ca(OH)2 + P2H4
Na2O + P2O5 = Na3PO4 =>
3 Na2O + P2O5 = 2 Na3PO4
Cr2(SO4)3 + RbOHCr(OH)3 + Rb2SO4 = H2O + Rb2CrO4 + RbHSO3 =>
Cr2(SO4)3 + 14 RbOHCr(OH)3 + 21 Rb2SO4 = 16 H2O + 16 Rb2CrO4 + 24 RbHSO3
N2 + H2 + O2 = NH4OH =>
N2 + 5 H2 + O2 = 2 NH4OH
P2 + O2 = P4O10 =>
2 P2 + 5 O2 = P4O10
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
SrCl2 + H2O = SrO + HCl =>
SrCl2 + H2O = SrO + 2 HCl
SO3 + C = SO2 + CO2 =>
2 SO3 + C = 2 SO2 + CO2
KIO3 + NaHSO3 = I2 + Na2SO4 + H2SO4 + K2SO4 + H2O =>
4 KIO3 + 10 NaHSO3 = 2 I2 + 5 Na2SO4 + 3 H2SO4 + 2 K2SO4 + 2 H2O
Br2 + NaNO2 + NaOH = NaBr + NaNO3 + H2O =>
Br2 + NaNO2 + 2 NaOH = 2 NaBr + NaNO3 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
MgO + HPO3 = Mg(PO3)2 + H2O =>
MgO + 2 HPO3 = Mg(PO3)2 + H2O
NCl3 = N2 + Cl2 =>
2 NCl3 = N2 + 3 Cl2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
N2H4 + NO2 = N2 + H2O =>
2 N2H4 + 2 NO2 = 3 N2 + 4 H2O
Fe2O3 + Cu = CuO2 + Fe =>
2 Fe2O3 + 3 Cu = 3 CuO2 + 4 Fe
Na + SiO2 = Na2O + Si =>
4 Na + SiO2 = 2 Na2O + Si
Cu{+} + Cl{-} = CuCl =>
Cu{+} + Cl{-} = CuCl
KHS + NaOH = KOH + NaHS =>
KHS + NaOH = KOH + NaHS
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na2SO3 + CrCl3 + H2O = H2SO3 + Cr(OH)3 + NaCl =>
3 Na2SO3 + 2 CrCl3 + 6 H2O = 3 H2SO3 + 2 Cr(OH)3 + 6 NaCl
Fe(NO3)3(aq) + BaCl2(aq) = FeCl3(s) + Ba(NO3)2(aq) =>
2 Fe(NO3)3(aq) + 3 BaCl2(aq) = 2 FeCl3(s) + 3 Ba(NO3)2(aq)
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
C2H5OH + K2Cr2O7 = CH3COOH + KOH + CrO2 =>
C2H5OH + K2Cr2O7 = CH3COOH + 2 KOH + 2 CrO2
K2Cr2O7 + Fe(SO4) + H2SO4 = Cr2(SO4)3 + K2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 2 Fe(SO4) + 7 H2SO4 = Cr2(SO4)3 + K2(SO4)3 + Fe2(SO4)3 + 7 H2O
C6H6O = C + H + O =>
C6H6O = 6 C + 6 H + O
C6H5Cl + O2 = CO + H2O + HCl =>
C6H5Cl + 4 O2 = 6 CO + 2 H2O + HCl
AsO4 + H = AsH3 + H2O =>
AsO4 + 11 H = AsH3 + 4 H2O
Au + H2SeO4 = Au2(SeO4)3 + SeO2 + H2O =>
2 Au + 6 H2SeO4 = Au2(SeO4)3 + 3 SeO2 + 6 H2O
Ca3(PO4)2 + Mg = Ca3P2 + MgO =>
Ca3(PO4)2 + 8 Mg = Ca3P2 + 8 MgO
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
Fe(OH)3 + KSCN = FeSCN + K + OH =>
Fe(OH)3 + KSCN = FeSCN + K + 3 OH
KIO3 + Na2SO3 = K2SO3 + NaIO3 =>
2 KIO3 + Na2SO3 = K2SO3 + 2 NaIO3
NaI(s) + H2SO4(aq) = Na2SO4(aq) + HI(aq) =>
2 NaI(s) + H2SO4(aq) = Na2SO4(aq) + 2 HI(aq)
BaO + As2O5 = Ba3(AsO4)2 =>
3 BaO + As2O5 = Ba3(AsO4)2
NaOH(aq) + Al(s) + H2O = NaAl(OH)4(aq) + H2(g) =>
2 NaOH(aq) + 2 Al(s) + 6 H2O = 2 NaAl(OH)4(aq) + 3 H2(g)
K2CO3 + Cl2 + H2O = CO2 + KCl + HClO =>
K2CO3 + 2 Cl2 + H2O = CO2 + 2 KCl + 2 HClO
NaI = Na + I =>
NaI = Na + I
Bi(NO3)3 + NaOH = Bi(OH)3 + NaNO3 =>
Bi(NO3)3 + 3 NaOH = Bi(OH)3 + 3 NaNO3
Cl2 + OH{-} = Cl{-} + ClO3{-} + H2O =>
3 Cl2 + 6 OH{-} = 5 Cl{-} + ClO3{-} + 3 H2O
CaHPO4 + KHSO4 = K2SO4 + CaSO4 + H3PO4 =>
CaHPO4 + 2 KHSO4 = K2SO4 + CaSO4 + H3PO4
CuBr2 + NH4NO3 = BrNH4 + Cu(NO3)2 =>
CuBr2 + 2 NH4NO3 = 2 BrNH4 + Cu(NO3)2
Ag2SO4 + BaCl2 = AgCl + BaSO4 =>
Ag2SO4 + BaCl2 = 2 AgCl + BaSO4
NaOH + KH = KOH + NaH =>
NaOH + KH = KOH + NaH
CH3CHO + Ag2O = CH3COOH + Ag =>
CH3CHO + Ag2O = CH3COOH + 2 Ag
CH2O + NH3 = (CH2)6N4 + H2O =>
6 CH2O + 4 NH3 = (CH2)6N4 + 6 H2O
FeCl3 + Br2 + NaOH = Na2FeO4 + NaBr + NaCl + H2O =>
2 FeCl3 + 3 Br2 + 16 NaOH = 2 Na2FeO4 + 6 NaBr + 6 NaCl + 8 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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