| Équations équilibrées la veille |
Se + 4 HNO2 = H2SeO3 + 4 NO + H2O
C6H5CH3 + Cr2O7{-2} + H{+} = Cr{+3} + C6H5COOH + H2O =>
C6H5CH3 + Cr2O7{-2} + 8 H{+} = 2 Cr{+3} + C6H5COOH + 5 H2O
Mg + Fe(CO3)3 = Fe + Mg(CO3)2 =>
3 Mg + 2 Fe(CO3)3 = 2 Fe + 3 Mg(CO3)2
(C4H1) + O2 = (CO2) + H2O =>
4(C4H1) + 17 O2 = 16(CO2) + 2 H2O
Fe2O3 + N2O3 = Fe(NO2)3 =>
Fe2O3 + 3 N2O3 = 2 Fe(NO2)3
CH3CONH2 + O2 = CO2 + H2O + N2 =>
4 CH3CONH2 + 11 O2 = 8 CO2 + 10 H2O + 2 N2
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
Cu(NO3)2 + K2CO3 + H2O = Cu2(OH)2CO3 + KNO3 + CO2 =>
2 Cu(NO3)2 + 2 K2CO3 + H2O = Cu2(OH)2CO3 + 4 KNO3 + CO2
FeCl3 + NaOH = Fe2O3 + HCl + NaCl =>
2 FeCl3 + 3 NaOH = Fe2O3 + 3 HCl + 3 NaCl
Al + CuS = Al2S3 + Cu =>
2 Al + 3 CuS = Al2S3 + 3 Cu
CrCl3(aq) + NaOH(aq) = Cr(OH)3 + NaCl(s) =>
CrCl3(aq) + 3 NaOH(aq) = Cr(OH)3 + 3 NaCl(s)
(OOC)C6H4(COOH) + NaOH = (OOC)C6H4(COO)Na + H2O =>
(OOC)C6H4(COOH) + NaOH = (OOC)C6H4(COO)Na + H2O
Al + HBr = AlBr3 + H =>
Al + 3 HBr = AlBr3 + 3 H
Ca2C + H2O = Ca(OH)2 + CH4 =>
Ca2C + 4 H2O = 2 Ca(OH)2 + CH4
FeCl3 + NaPo4 = NaCl3 + FePo4 =>
FeCl3 + NaPo4 = NaCl3 + FePo4
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
KNO3 + H2 = NH3 + KOH + H2O =>
KNO3 + 4 H2 = NH3 + KOH + 2 H2O
Mg(s) + Zn2SO4(aq) = Mg2SO4(aq) + Zn(s) =>
2 Mg(s) + Zn2SO4(aq) = Mg2SO4(aq) + 2 Zn(s)
VI + F2 = VF5 + I2 =>
2 VI + 5 F2 = 2 VF5 + I2
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
I{-} + NO2 + H{+} = I2 + NO + H2O =>
2 I{-} + NO2 + 2 H{+} = I2 + NO + H2O
SnO2 + NH4Cl = SnCl4 + (NH4)2O =>
SnO2 + 4 NH4Cl = SnCl4 + 2(NH4)2O
Fe + Cu(NO3)2 = CuFe + NO3 =>
Fe + Cu(NO3)2 = CuFe + 2 NO3
Mg(OH)2 + HCl(aq) = MgCl2(s) + H2O(l) =>
Mg(OH)2 + 2 HCl(aq) = MgCl2(s) + 2 H2O(l)
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + H6(PO4)2 =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + H6(PO4)2
(C4H1) + O2 = (CO2) + H2O =>
4(C4H1) + 17 O2 = 16(CO2) + 2 H2O
NH4Br(s) = NH4(aq) + Br =>
NH4Br(s) = NH4(aq) + Br
KOH + Cl2 = KClO + HCl =>
KOH + Cl2 = KClO + HCl
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
ClO3{-} + I{-} + H{+} = I2 + Cl{-} + H2O =>
ClO3{-} + 6 I{-} + 6 H{+} = 3 I2 + Cl{-} + 3 H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2SO4 + FeCl3 = Na3Cl3 + Fe2(SO4)3 =>
3 Na2SO4 + 2 FeCl3 = 2 Na3Cl3 + Fe2(SO4)3
SO3 + LiOH = SO3Li(OH) =>
SO3 + LiOH = SO3Li(OH)
AlOH3 + O2 = AlO3 + H2O =>
4 AlOH3 + 7 O2 = 4 AlO3 + 6 H2O
K2O + O2 = K2O2 =>
2 K2O + O2 = 2 K2O2
HI + KMnO4 + H2SO4 = I + MnSO4 + K2SO4 + H2O =>
10 HI + 2 KMnO4 + 3 H2SO4 = 10 I + 2 MnSO4 + K2SO4 + 8 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ag4[Fe(CN)6] + HNO3 = Ag3[Fe(CN)6] + AgNO3 + NO2 + H2O =>
Ag4[Fe(CN)6] + 2 HNO3 = Ag3[Fe(CN)6] + AgNO3 + NO2 + H2O
MnO4 + NaOH = MnO2 + OH + Na2O =>
MnO4 + 4 NaOH = MnO2 + 4 OH + 2 Na2O
Na2S + CO2 = Na2SO4 + C =>
Na2S + 2 CO2 = Na2SO4 + 2 C
Cl + Cs2 = CsCl =>
2 Cl + Cs2 = 2 CsCl
KClO + HI = KCl + I2 + H2O =>
KClO + 2 HI = KCl + I2 + H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S2O3{2-} + Cu{2+} = S4O6{2{-})+Cu{+} =>
2 S2O3{2-} + 6 Cu{2+} = S4O6{2{-})+6Cu{+}
FeCl3 + NaOH = Fe2O3 + HCl + NaCl =>
2 FeCl3 + 3 NaOH = Fe2O3 + 3 HCl + 3 NaCl
C4H7NO4 + O2 = CO2 + H2O + NH3 =>
C4H7NO4 + 3 O2 = 4 CO2 + 2 H2O + NH3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
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Équations équilibrées sur10/15/24
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