| Équations équilibrées la veille |
6 KClO3 + Fe2(CO3)3 = 3 K2(CO3) + 2 Fe(ClO3)3
Sr + O = SrO =>
Sr + O = SrO
O2{2-} = O{2-} + O2 =>
2 O2{2-} = 2 O{2-} + O2
CH3COOH + C4H9OH = H2O + C6H12O2 =>
CH3COOH + C4H9OH = H2O + C6H12O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C6H12O2 + O2 = H2O + CO2 =>
C6H12O2 + 8 O2 = 6 H2O + 6 CO2
Fe2O3 + C3O3 = Fe2 + C3O6 =>
Fe2O3 + C3O3 = Fe2 + C3O6
Au + SnCl4 = Sn + AuCl =>
4 Au + SnCl4 = Sn + 4 AuCl
K2CO3 + H2O = KHCO3 + KOH =>
K2CO3 + H2O = KHCO3 + KOH
H + Bz = HBz =>
H + Bz = HBz
H2S + Fe2(SO4)3 = H2(SO4)3 + Fe2S =>
H2S + Fe2(SO4)3 = H2(SO4)3 + Fe2S
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
H(C2H3O2) + Mg(CO3) = Mg(C2H3O2)2 + H2O + CO2 =>
2 H(C2H3O2) + Mg(CO3) = Mg(C2H3O2)2 + H2O + CO2
PNO3 = PNO2 + O =>
PNO3 = PNO2 + O
Ca + Br2 = Ca(Br)2 =>
Ca + Br2 = Ca(Br)2
Fe2O3 + CO2 = CO3 + Fe2O2 =>
Fe2O3 + CO2 = CO3 + Fe2O2
Na2(C2O4) + Fe(NO3)3 = Fe(C2O4)3 + Na2(NO3) =>
3 Na2(C2O4) + Fe(NO3)3 = Fe(C2O4)3 + 3 Na2(NO3)
BaCl + NH3 = Ba(NH3)2 + Cl =>
BaCl + 2 NH3 = Ba(NH3)2 + Cl
Fe + H2O = Fe3O4 + H4 =>
3 Fe + 4 H2O = Fe3O4 + 2 H4
K2CrO4(aq) + Al(NO3)3(aq) = KNO3 + Al2(CrO4)3 =>
3 K2CrO4(aq) + 2 Al(NO3)3(aq) = 6 KNO3 + Al2(CrO4)3
P2S5 + HNO3 + H2O = H2SO4 + H3PO + NO =>
3 P2S5 + 28 HNO3 + 10 H2O = 15 H2SO4 + 6 H3PO + 28 NO
Na2S + KOH + I2 = Na2SO4 + KI + H2O =>
Na2S + 8 KOH + 4 I2 = Na2SO4 + 8 KI + 4 H2O
Mg{2+} + H2 = Mg + H{+} =>
Mg{2+} + H2 = Mg + 2 H{+}
Na2S2O5 + H2O + Cl2 = H2SO4 + HCl + Na2SO4 =>
Na2S2O5 + 3 H2O + 2 Cl2 = H2SO4 + 4 HCl + Na2SO4
KFeO2 + Br2 + KOH = K2FeO4 + KBr + H2O =>
2 KFeO2 + 3 Br2 + 8 KOH = 2 K2FeO4 + 6 KBr + 4 H2O
Na2BeO2 + H2SO4 = Na2SO4 + Be(OH)2 =>
Na2BeO2 + H2SO4 = Na2SO4 + Be(OH)2
CH3CH2CH2OH + KOH = CH3CH2CH2OK + H2O =>
CH3CH2CH2OH + KOH = CH3CH2CH2OK + H2O
HPO4 + H = H3PO4 =>
HPO4 + 2 H = H3PO4
Fe2O3 + CO2 = CO3 + Fe2O2 =>
Fe2O3 + CO2 = CO3 + Fe2O2
CrO3 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
4 CrO3 + 6 NaHSO3 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 6 H2O
Na2S + KOH + I2 = Na2SO4 + KI + H2O =>
Na2S + 8 KOH + 4 I2 = Na2SO4 + 8 KI + 4 H2O
NO = N2 + O2 =>
2 NO = N2 + O2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Fe(NO3)2 + Na(OH) = Fe(OH)2 + Na(NO3) =>
Fe(NO3)2 + 2 Na(OH) = Fe(OH)2 + 2 Na(NO3)
Fe(NO3)3 + KSCN = Fe(SCN)3 + KNO3 =>
Fe(NO3)3 + 3 KSCN = Fe(SCN)3 + 3 KNO3
NH4Cl + HOH = NH4(OH) + HCl =>
NH4Cl + HOH = NH4(OH) + HCl
SnCl2 + Na2CO3 + H2O = Sn(OH)2 + NaCl + CO2 =>
SnCl2 + Na2CO3 + H2O = Sn(OH)2 + 2 NaCl + CO2
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
NaI + KMnO4 + HNO3 = I2 + Mn(NO3)2 + H2O + NaNO3 + KNO3 =>
10 NaI + 2 KMnO4 + 16 HNO3 = 5 I2 + 2 Mn(NO3)2 + 8 H2O + 10 NaNO3 + 2 KNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH4COOH + CaCO3 = Ca(CH3COO)2 + CO2 + H2O =>
16 CH4COOH + 9 CaCO3 = 9 Ca(CH3COO)2 + 5 CO2 + 13 H2O
CH4(g) + NH3(g) + O2(g) = H2O + HCN =>
2 CH4(g) + 2 NH3(g) + 3 O2(g) = 6 H2O + 2 HCN
NH2NH2 + H2O2 = N + H2O =>
NH2NH2 + 2 H2O2 = 2 N + 4 H2O
N2H4 + HClO3 = N2 + H2O + HCl =>
3 N2H4 + 2 HClO3 = 3 N2 + 6 H2O + 2 HCl
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
Na3Fe(CN)6 + Pb(C2O4)2 = Na2C2O4 + Pb3[Fe(CN)6]4 =>
4 Na3Fe(CN)6 + 3 Pb(C2O4)2 = 6 Na2C2O4 + Pb3[Fe(CN)6]4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al2(SO4)3 + BaCl2 = BaSO4 + AlCl3* =>
Al2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 AlCl3*
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