| Équations équilibrées la veille |
CH3Br + CH3COONa = C2H6 + BrCOONa
C8H12 + KMnO4 + H2SO4 = C8H8O4 + MnSO4 + K2SO4 + H2O =>
5 C8H12 + 12 KMnO4 + 18 H2SO4 = 5 C8H8O4 + 12 MnSO4 + 6 K2SO4 + 28 H2O
Cr + N2 = CrN =>
2 Cr + N2 = 2 CrN
N2O5 + H2O = H2O5 + N2OH =>
8 N2O5 + 13 H2O = 9 H2O5 + 8 N2OH
Fe{3+} + HCl = FeCl3 + H{+} =>
Fe{3+} + 3 HCl = FeCl3 + 3 H{+}
Fe2 + H2S = FeS + H =>
Fe2 + 2 H2S = 2 FeS + 4 H
SO2(g) + Li2Se(aq) = SSe2 + Li2O(aq) =>
SO2(g) + 2 Li2Se(aq) = SSe2 + 2 Li2O(aq)
NH4Cl + CuCl = NH4CuCl2 =>
NH4Cl + CuCl = NH4CuCl2
Al(OH)3 + NaOH = Al(Na)3 + OH =>
Al(OH)3 + 3 NaOH = Al(Na)3 + 6 OH
PbSn + HN3 = PbN3 + SnH =>
PbSn + HN3 = PbN3 + SnH
C3H7OH + K2Cr2O7 + H2SO4 = C2H5OOH + K2SO4 + Cr2(SO4)3 + H2O =>
2 C3H7OH + K2Cr2O7 + 4 H2SO4 = 3 C2H5OOH + K2SO4 + Cr2(SO4)3 + 3 H2O
CrO3 + NaHSO3 + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
2 CrO3 + 3 NaHSO3 + 3 H2SO4 = Cr2(SO4)3 + 3 NaHSO4 + 3 H2O
BrO3{-} + HAsO2 + H2O = Br{-} + H3AsO4 =>
BrO3{-} + 3 HAsO2 + 3 H2O = Br{-} + 3 H3AsO4
HCl + Al2O3 = AlCl3 + H2O =>
6 HCl + Al2O3 = 2 AlCl3 + 3 H2O
Ni + K2CrO4 = Ni(CrO4)2 + K =>
Ni + 2 K2CrO4 = Ni(CrO4)2 + 4 K
Fe2(SO4)3 + AgNO3 = Ag(SO4)3 + Fe2NO3 =>
Fe2(SO4)3 + AgNO3 = Ag(SO4)3 + Fe2NO3
MgN(s) + KOH(aq) = MgOH(aq) + KN(aq) =>
MgN(s) + KOH(aq) = MgOH(aq) + KN(aq)
CuS + H2SO4 = CuSO4 + H2S =>
CuS + H2SO4 = CuSO4 + H2S
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
Re4Si7 = Re + Si4 =>
4 Re4Si7 = 16 Re + 7 Si4
HClO2 + H2O = ClO2{-} + H3O{+} =>
HClO2 + H2O = ClO2{-} + H3O{+}
MgCl2 + Na2SO3 = Mg(SO3) + NaCl =>
MgCl2 + Na2SO3 = Mg(SO3) + 2 NaCl
Na2CrO4 + Na2S2O5 + H2O = Cr(OH)3 + Na2SO4 + NaOH =>
4 Na2CrO4 + 3 Na2S2O5 + 7 H2O = 4 Cr(OH)3 + 6 Na2SO4 + 2 NaOH
Pb(CH3CO2)2 + H2S = PbS + H(CH3CO2) =>
Pb(CH3CO2)2 + H2S = PbS + 2 H(CH3CO2)
H3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3H4[P(Mo2O7)6] + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3H4[P(Mo2O7)6] + 21 NH4NO3 + 10 H2O
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
Pb(NO3) + KOH = PbOH + KNO3 =>
Pb(NO3) + KOH = PbOH + KNO3
ICl3 + H2O = HIO3 + HCl + I2 =>
5 ICl3 + 9 H2O = 3 HIO3 + 15 HCl + I2
ICl3(s) + H2O(l) = ICl(g) + HIO3(aq) + HCl(g) =>
2 ICl3(s) + 3 H2O(l) = ICl(g) + HIO3(aq) + 5 HCl(g)
C5H4N4(purine) + O2 = C5H4N4O3(uricacid) =>
2 C5H4N4(purine) + 3 O2 = 2 C5H4N4O3(uricacid)
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
Ag + SCN = AgSCN(s) =>
Ag + SCN = AgSCN(s)
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
C9H8O2 + CH3OH = H2O + C10H10O2 =>
C9H8O2 + CH3OH = H2O + C10H10O2
C1H18 + O2 = H2O + CO2 =>
2 C1H18 + 11 O2 = 18 H2O + 2 CO2
Cl2 + NaI = Cl2NaI =>
Cl2 + NaI = Cl2NaI
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
Ca + NH3 + K2C2O4(aq) = CaC2O4 + K2(NH3)2 =>
Ca + 2 NH3 + K2C2O4(aq) = CaC2O4 + K2(NH3)2
K[Al(OH)4] + HNO3 = KNO3 + Al(NO3)3 + H2O =>
K[Al(OH)4] + 4 HNO3 = KNO3 + Al(NO3)3 + 4 H2O
H{+} + MnO4{-} + e = MnO2 + H2O =>
4 H{+} + MnO4{-} + 3e = MnO2 + 2 H2O
Cr2O3 + SO2 = Cr2(SO3)3 =>
Cr2O3 + 3 SO2 = Cr2(SO3)3
MgS + Br2 = MgBr + S =>
2 MgS + Br2 = 2 MgBr + 2 S
Zn + PO4 = Zn2PO4 =>
2 Zn + PO4 = Zn2PO4
NiCl + NaOH = NaCl + Ni(OH) =>
NiCl + NaOH = NaCl + Ni(OH)
Au2S2O3 + HCl = AuCl + SO2 + S + H2O =>
Au2S2O3 + 2 HCl = 2 AuCl + SO2 + S + H2O
Mg(NO3)2 + H3O = HNO3 + Mg(OH)2 + H =>
Mg(NO3)2 + 2 H3O = 2 HNO3 + Mg(OH)2 + 2 H
Cl100 + O2 = ClO2 =>
Cl100 + 100 O2 = 100 ClO2
C6H6 + NaOH = C6H5OH + NaH =>
C6H6 + NaOH = C6H5OH + NaH
CC16H34 + O2 = CO2H2O =>
2 CC16H34 + 51 O2 = 34 CO2H2O
Al(OH)3 + Cl2 = AlCl3 + O2 + H2 =>
2 Al(OH)3 + 3 Cl2 = 2 AlCl3 + 3 O2 + 3 H2
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