| Équations équilibrées la veille |
2 LiOH + ZnO = Li2O + Zn(OH)2
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
CH3CH2OH + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
MgCO3 + H3(PO4) = Mg3(PO4)2 + H2CO3 =>
3 MgCO3 + 2 H3(PO4) = Mg3(PO4)2 + 3 H2CO3
Ag2S2O3*2Na2S2O3 + Na2S = Ag2S + Na2S2O3 =>
Ag2S2O3*2Na2S2O3 + Na2S = Ag2S + 3 Na2S2O3
ZnBr2 + Na2S = Na2Zn + Br2S =>
ZnBr2 + Na2S = Na2Zn + Br2S
CH3COOH + CUO = CU(CH3COO)2 + H2O =>
2 CH3COOH + CUO = CU(CH3COO)2 + H2O
MgOHCl + HCl = MgCl2 + H2O =>
MgOHCl + HCl = MgCl2 + H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
PCl3(l) + KClO3(s) = POCl3(l) + KCl(aq) =>
3 PCl3(l) + KClO3(s) = 3 POCl3(l) + KCl(aq)
Ag + HClO3 = AgClO3 + H2 =>
2 Ag + 2 HClO3 = 2 AgClO3 + H2
HCH2ClCO2 + H2O = CH2ClCO2 + H3O =>
HCH2ClCO2 + H2O = CH2ClCO2 + H3O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Sn + NaNO3 = SnNO3 + Na =>
Sn + NaNO3 = SnNO3 + Na
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HNO3 + P2O5 = N2O5 + HPO3 =>
2 HNO3 + P2O5 = N2O5 + 2 HPO3
K2Cr2O7 + HCl + C2H5OH = CrCl3 + CO2 + KCl + H2O =>
2 K2Cr2O7 + 16 HCl + C2H5OH = 4 CrCl3 + 2 CO2 + 4 KCl + 11 H2O
Na2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2S + 4 Na2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 7 Na2SO4 + 16 H2O
Cu + HCl + HNO3 = CuCl2 + NO2 + H2O =>
Cu + 2 HCl + 2 HNO3 = CuCl2 + 2 NO2 + 2 H2O
CuS + AlP = Cu3P2 + Al2S3 =>
3 CuS + 2 AlP = Cu3P2 + Al2S3
NH4 + HNO2 = NH4NO + H2O =>
8 NH4 + 6 HNO2 = 7 NH4NO + 5 H2O
MgS + O2 = SO2 + MgO =>
2 MgS + 3 O2 = 2 SO2 + 2 MgO
KI + Cu(OH)2 = KOH + CuI2 =>
2 KI + Cu(OH)2 = 2 KOH + CuI2
Na2SKOH = Na2OH*KS =>
Na2SKOH = Na2OH*KS
MgO + H2O = MgH2 + O2 =>
MgO + H2O = MgH2 + O2
NH2 + I2 = N2I6 + H2 =>
2 NH2 + 3 I2 = N2I6 + 2 H2
B2H6 + KOH + H2O = K[B(OH)4] + H2 =>
B2H6 + 2 KOH + 6 H2O = 2 K[B(OH)4] + 6 H2
P4 + F2 = PF5 =>
P4 + 10 F2 = 4 PF5
HClBaCl2SO4 = BaSO4HCl3 =>
HClBaCl2SO4 = BaSO4HCl3
CuN + O2 = Cu2O3 + NO2 =>
4 CuN + 7 O2 = 2 Cu2O3 + 4 NO2
Ca(NO3)2*4H2O + (NH4)2HPO4 + NH3 = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2*4H2O + 6(NH4)2HPO4 + 8 NH3 = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 38 H2O
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
Na2B4O7 + H2SO4 + C2H5OH = B(OC2H5)3 + Na2SO4 + H2O =>
Na2B4O7 + H2SO4 + 12 C2H5OH = 4 B(OC2H5)3 + Na2SO4 + 7 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
K(OH) + Mg = Mg(OH)2 + K =>
2 K(OH) + Mg = Mg(OH)2 + 2 K
Fe(NO3)3*9H2O = Fe2O3 + HNO3 + H2O =>
2 Fe(NO3)3*9H2O = Fe2O3 + 6 HNO3 + 15 H2O
Ag(s) + Fe(NO3)2(ac) = Fe(s) + AgNO3(ac) =>
2 Ag(s) + Fe(NO3)2(ac) = Fe(s) + 2 AgNO3(ac)
KMnO4 + H3PO3 = MnO2 + K2HPO4 + H3PO4 + H2O =>
2 KMnO4 + 3 H3PO3 = 2 MnO2 + K2HPO4 + 2 H3PO4 + H2O
Fe(NO3)3*9H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)3*9H2O = FeO + 3 NO2 + O2 + 9 H2O
H2SO3KOH = KHSO3H2O =>
H2SO3KOH = KHSO3H2O
MnO2 + Sn(OH)4 = MnOH + Sn(O2)4 =>
4 MnO2 + Sn(OH)4 = 4 MnOH + Sn(O2)4
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
CaCO3 + In(NO3)3 = Ca(NO3)2 + In2(CO3)3 =>
3 CaCO3 + 2 In(NO3)3 = 3 Ca(NO3)2 + In2(CO3)3
HCOOH + Mg(OH)2 = (HCOO)2Mg + H2O =>
2 HCOOH + Mg(OH)2 = (HCOO)2Mg + 2 H2O
Fe(NO3)3*9H2O = FeO + NO2 + O2 + H2O =>
Fe(NO3)3*9H2O = FeO + 3 NO2 + O2 + 9 H2O
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
KSCN + HCl = HCN + KCl + S =>
KSCN + HCl = HCN + KCl + S
CuO + Ag = Cu + AgO =>
CuO + Ag = Cu + AgO
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Équations équilibrées sur11/18/24
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