| Équations équilibrées la veille |
P4O10 + 12 KOH = 4 K3PO4 + 6 HOH
P4S3(s) + O2(g) = P4O10(s) + SO2 =>
P4S3(s) + 8 O2(g) = P4O10(s) + 3 SO2
NH4Cl(aq) + Mg(OH)2(aq) = NH3 + H2O(l) + MgCl2(aq) =>
2 NH4Cl(aq) + Mg(OH)2(aq) = 2 NH3 + 2 H2O(l) + MgCl2(aq)
AgNa3 + Na3PO4 = AgPO4 + Na6 =>
AgNa3 + Na3PO4 = AgPO4 + Na6
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
C6H8O7*H2O + C2H6O = C12H20O7 + H2O =>
C6H8O7*H2O + 3 C2H6O = C12H20O7 + 4 H2O
Li2O + HCl = LiOH + LiCl =>
Li2O + HCl = LiOH + LiCl
Na(NO3) + Pb2 = Na(NO2) + PbO =>
2 Na(NO3) + Pb2 = 2 Na(NO2) + 2 PbO
P4 + HCl = PCl3 + H3P =>
P4 + 6 HCl = 2 PCl3 + 2 H3P
KI + H2O2 + H{+} = I3{-} + H2O + K{+} =>
3 KI + H2O2 + 2 H{+} = I3{-} + 2 H2O + 3 K{+}
BaOH2 + NH4SCN = NH4 + H2O + BaSCN =>
BaOH2 + NH4SCN = NH4 + H2O + BaSCN
Cr(ClO3)2 + K3PO4 = KClO3 + Cr3(PO4)2 =>
3 Cr(ClO3)2 + 2 K3PO4 = 6 KClO3 + Cr3(PO4)2
C12H220O11 + O2 = CO2 + H2O =>
2 C12H220O11 + 123 O2 = 24 CO2 + 220 H2O
KClO3 + KSCN = KCl + SO2 + KCN =>
2 KClO3 + 3 KSCN = 2 KCl + 3 SO2 + 3 KCN
AgF(aq) + (NH4)2CO3(aq) = Ag2CO3 + NH4F(aq) =>
2 AgF(aq) + (NH4)2CO3(aq) = Ag2CO3 + 2 NH4F(aq)
H2SO4 + Ti(OH)4 = Ti2(SO4)4 + H2O =>
4 H2SO4 + 2 Ti(OH)4 = Ti2(SO4)4 + 8 H2O
CrCl2 + H2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
CrCl2 + 2 H2O2 + 4 NaOH = Na2CrO4 + 2 NaCl + 4 H2O
Cu(SO4)(aq) + Na2(CO3)(aq) = Cu2(CO3) + Na(SO4) =>
2 Cu(SO4)(aq) + Na2(CO3)(aq) = Cu2(CO3) + 2 Na(SO4)
BaCl2 + H2SO4 = BaSO3 + HCl2 + OH =>
BaCl2 + H2SO4 = BaSO3 + HCl2 + OH
Na2CrO4 + Ba(NO3)2 = NaNO3 + BaCrO4 =>
Na2CrO4 + Ba(NO3)2 = 2 NaNO3 + BaCrO4
AsO2{-} + MnO4{-} + H{+} = AsO3{-} + Mn{+2} + H2O =>
5 AsO2{-} + 2 MnO4{-} + 6 H{+} = 5 AsO3{-} + 2 Mn{+2} + 3 H2O
ReCl3 + MgB2 = ReB2 + MgCl2 + Cl2 =>
2 ReCl3 + 2 MgB2 = 2 ReB2 + 2 MgCl2 + Cl2
*2Fe + O2 = *2FeO3 =>
*2Fe + 3 O2 = *2FeO3
Na(s) + FeCl3(aq) = NaFe + Cl3 =>
Na(s) + FeCl3(aq) = NaFe + Cl3
Na2Cr2O7 + HNO3 + PI3 = NaIO3 + H3PO4 + Cr(NO3)3 + H2O + NaNO3 =>
10 Na2Cr2O7 + 71 HNO3 + 3 PI3 = 9 NaIO3 + 3 H3PO4 + 20 Cr(NO3)3 + 31 H2O + 11 NaNO3
C6H2Br3NH2 + HBr = C6H2NH3Br4 =>
C6H2Br3NH2 + HBr = C6H2NH3Br4
FeS2 + O = FeO + S =>
FeS2 + O = FeO + 2 S
S8(S) + Cu(s) = Cu2S(s) =>
S8(S) + 18 Cu(s) = 9 Cu2S(s)
CrO2 = Cr2O3 + O2 =>
4 CrO2 = 2 Cr2O3 + O2
AgClO4 + HCl = AgCl + HClO4 =>
AgClO4 + HCl = AgCl + HClO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2CrO7 + HI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
2 K2CrO7 + 18 HI + 5 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 9 I2 + 14 H2O
H2Co3 + CaCO3 = CaCo3 + CO2 + H2O =>
H2Co3 + CaCO3 = CaCo3 + CO2 + H2O
HCl + NH3 = NCl3 + H2H3 =>
15 HCl + 5 NH3 = 5 NCl3 + 6 H2H3
NaCl + K(NO4) = Na(NO4) + KCl =>
NaCl + K(NO4) = Na(NO4) + KCl
K[BrO3] + KI + HBr = KBr + I2 + H2O =>
K[BrO3] + 6 KI + 6 HBr = 7 KBr + 3 I2 + 3 H2O
Sn + Hg(NO3)2 = Sn(NO3)4 + Hg =>
Sn + 2 Hg(NO3)2 = Sn(NO3)4 + 2 Hg
Mg + Al(No3)3 = Mg(No3)2 + Al =>
3 Mg + 2 Al(No3)3 = 3 Mg(No3)2 + 2 Al
Cl2 + AlI3 = AlCl3 + I2 =>
3 Cl2 + 2 AlI3 = 2 AlCl3 + 3 I2
KMnO4 + CH3CH2CH3 + NaOH = MnO2 + CH3COONa + H2O + K =>
4 KMnO4 + 2 CH3CH2CH3 + 3 NaOH = 4 MnO2 + 3 CH3COONa + 5 H2O + 4 K
[Co(H2O)6]3{+} + HNO3 + H{+} = [Co(H2O)6]2{+} + NO + H2O =>
6[Co(H2O)6]3{+} + HNO3 + 3 H{+} = 9[Co(H2O)6]2{+} + NO + 2 H2O
Ba(OH)2(aq) + Fe(NO3)2(aq) = Ba(NO3)2(aq) + Fe(OH)2(s) =>
Ba(OH)2(aq) + Fe(NO3)2(aq) = Ba(NO3)2(aq) + Fe(OH)2(s)
FeS + H2SO4 = Fe(SO4) + SO2 + H2O =>
FeS + 4 H2SO4 = Fe(SO4) + 4 SO2 + 4 H2O
C3H8 + OH = CO2 + H2O =>
C3H8 + 20 OH = 3 CO2 + 14 H2O
Zn + Ni(No3)3 = Ni + Zn(No3) =>
3 Zn + Ni(No3)3 = Ni + 3 Zn(No3)
K[Cr(H2O)2(C2O4)2]2H2O + KOH = Cr(OH)3 + H2O + K + CO2 =>
K[Cr(H2O)2(C2O4)2]2H2O + 6 KOH = 2 Cr(OH)3 + 5 H2O + 7 K + 8 CO2
Cu2 + H2 = CuH =>
Cu2 + H2 = 2 CuH
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
AgNO3 + NaI = AgI + NaNO3 =>
AgNO3 + NaI = AgI + NaNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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