| Équations équilibrées la veille |
4 C2H7 + 15 O2 = 8 CO2 + 14 H2O
VOCl2 + KIO3 + KOH = KVO3 + KI + KCl + H2O =>
6 VOCl2 + KIO3 + 18 KOH = 6 KVO3 + KI + 12 KCl + 9 H2O
ZnCl2 + Na2S + H2O = Zn(OH)2 + H2S + NaCl =>
ZnCl2 + Na2S + 2 H2O = Zn(OH)2 + H2S + 2 NaCl
FeCl3(aq) + Na2S(aq) = Fe2S3(s) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2S(aq) = Fe2S3(s) + 6 NaCl(aq)
C4H8 + CrO3 + HCl = C2H4O2 + CrCl3 + H2O =>
3 C4H8 + 8 CrO3 + 24 HCl = 6 C2H4O2 + 8 CrCl3 + 12 H2O
Al + (OH){-} + H2O = Al(OH)4{-} + H2 =>
2 Al + 2(OH){-} + 6 H2O = 2 Al(OH)4{-} + 3 H2
C10H3 + O2 = CO2 + H2O =>
4 C10H3 + 43 O2 = 40 CO2 + 6 H2O
Zn + MgF2 = Mg + ZnF2 =>
Zn + MgF2 = Mg + ZnF2
(NH4)2CO3 = NH4 + O2 + CO2 =>
2(NH4)2CO3 = 4 NH4 + O2 + 2 CO2
Mg + Pb(OAc)2 = Mg(OAc)2 + Pb =>
Mg + Pb(OAc)2 = Mg(OAc)2 + Pb
C2H3O2H + KOH = C2H3O2K + H2O =>
C2H3O2H + KOH = C2H3O2K + H2O
Sc3C2(OH)2 = Sc2O3 + Sc4C3 + ScH2 + C =>
6 Sc3C2(OH)2 = 4 Sc2O3 + Sc4C3 + 6 ScH2 + 9 C
PbS(s) + H2O2(ac) = PbSO4 + H2O(g) =>
PbS(s) + 4 H2O2(ac) = PbSO4 + 4 H2O(g)
MgCl2 + NH4(OH) = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 NH4(OH) = Mg(OH)2 + 2 NH4Cl
H2O + NO + Cr2O7{2-} = Cr{3+} + NO3{-} + OH{-} =>
3 H2O + 2 NO + Cr2O7{2-} = 2 Cr{3+} + 2 NO3{-} + 6 OH{-}
LiOH(aq) + NaCl(aq) = LiCl(s) + NaOH(aq) =>
LiOH(aq) + NaCl(aq) = LiCl(s) + NaOH(aq)
HN4 + O2 = NO + H2O =>
4 HN4 + 9 O2 = 16 NO + 2 H2O
NaHCO3 + BaCO3 = Na2CO3 + Ba(HCO3)2 =>
2 NaHCO3 + BaCO3 = Na2CO3 + Ba(HCO3)2
Ag + Na2CrO4 = Na + Ag2CrO4 =>
2 Ag + Na2CrO4 = 2 Na + Ag2CrO4
CrO3 + Na2CO3 = Na2CrO4 + CO2 =>
CrO3 + Na2CO3 = Na2CrO4 + CO2
KClO3 + H2SO4 = O2 + ClO2 + H2O + KHSO4 =>
4 KClO3 + 4 H2SO4 = O2 + 4 ClO2 + 2 H2O + 4 KHSO4
B + KOH + H2O2 = K2B4O7 + H2O =>
4 B + 2 KOH + 6 H2O2 = K2B4O7 + 7 H2O
C5H8O2 + H2O = C5H10O3 =>
C5H8O2 + H2O = C5H10O3
HPO42{-} + HCl = ClPO42{-} + H2 =>
HPO42{-} + HCl = ClPO42{-} + H2
Au + NaCN = Na2Au(CN)2 =>
Au + 2 NaCN = Na2Au(CN)2
HNO3 + (NH4)2CO3 = CO2 + H2O + NH4NO3 =>
2 HNO3 + (NH4)2CO3 = CO2 + H2O + 2 NH4NO3
Mg + HO = MgO + H =>
Mg + HO = MgO + H
C6H7N + O2 = CO2 + NO3 + H2O =>
4 C6H7N + 37 O2 = 24 CO2 + 4 NO3 + 14 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mn + CoF2 = MnF4 + Co =>
Mn + 2 CoF2 = MnF4 + 2 Co
CuOH + Pb = Pb(OH)2 + Cu =>
2 CuOH + Pb = Pb(OH)2 + 2 Cu
ClO{-} + Al + H{+} = Cl{-} + Al{3+} + H2O =>
3 ClO{-} + 2 Al + 6 H{+} = 3 Cl{-} + 2 Al{3+} + 3 H2O
Cu5FeS4 + H2SO4 + O2 = CuSO4 + Fe2(SO4)3 + H2O =>
4 Cu5FeS4 + 10 H2SO4 + 37 O2 = 20 CuSO4 + 2 Fe2(SO4)3 + 10 H2O
Pb(NO3)2 + K(IO3) = Pb(IO3)2 + K(NO3) =>
Pb(NO3)2 + 2 K(IO3) = Pb(IO3)2 + 2 K(NO3)
Al(NO3)3 + NaOH = Al(OH)3 + Na + NO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 Na + 3 NO3
BaCl2 + NaHSO4 = HCl + BaSO4 + NaCl =>
BaCl2 + NaHSO4 = HCl + BaSO4 + NaCl
Sn(s) + H2O(l) + O2(g) = Sn(OH)2(s) =>
2 Sn(s) + 2 H2O(l) + O2(g) = 2 Sn(OH)2(s)
CH3CH2COOCH2CH2CH3 + O2 = CO2 + H2O =>
CH3CH2COOCH2CH2CH3 + 8 O2 = 6 CO2 + 6 H2O
FeSO4 + H2SO4 = Fe(SO4)2 + H2 =>
FeSO4 + H2SO4 = Fe(SO4)2 + H2
Na2[Sn(OH)4] + BiCl3 + NaOH = Bi + Na2[Sn(OH)6] + NaCl =>
3 Na2[Sn(OH)4] + 2 BiCl3 + 6 NaOH = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaCl
CuZn + HCl = CuCl + Zn + H2 =>
2 CuZn + 2 HCl = 2 CuCl + 2 Zn + H2
ClO{-} + Al + H{+} = Cl{-} + Al3{+} + H2O =>
ClO{-} + 6 Al + 2 H{+} = Cl{-} + 2 Al3{+} + H2O
Mg(OH) + H3PO4 = Mg3(PO4) + H2O =>
3 Mg(OH) + H3PO4 = Mg3(PO4) + 3 H2O
C8H8O6 + O2 = CO2 + H2O =>
C8H8O6 + 7 O2 = 8 CO2 + 4 H2O
CH2O + Br2 + H2O = HCOOH + HBr =>
CH2O + Br2 + H2O = HCOOH + 2 HBr
Cd + Ag(NO3) = Cd(NO3)2 + Ag =>
Cd + 2 Ag(NO3) = Cd(NO3)2 + 2 Ag
K2S + CaI2 = K2I2 + CaS =>
K2S + CaI2 = K2I2 + CaS
Mn + K4[Fe(Cn)6] = Mn2[Fe(Cn)6] + K =>
2 Mn + K4[Fe(Cn)6] = Mn2[Fe(Cn)6] + 4 K
NaCH3COO + Cu(NO3)2 = Cu(CH3COO) + Na(NO3)2 =>
NaCH3COO + Cu(NO3)2 = Cu(CH3COO) + Na(NO3)2
Mg(HCO3)2(ag) = MgO(s) + H2O(l) + CO2(g) =>
Mg(HCO3)2(ag) = MgO(s) + H2O(l) + 2 CO2(g)
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