| Équations équilibrées la veille |
NO{3-} + Zn + 6 H{+} = Zn{2+} + NH4{+} + H2O
K2Cr2O7 + H2SO4 + (CH3)3COH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
4 K2Cr2O7 + 16 H2SO4 + 3(CH3)3COH = 4 Cr2(SO4)3 + 4 K2SO4 + 6 CH3COOH + 19 H2O
H2O + Al + NO3 = Al(OH)4 + NH3 =>
24 H2O + 9 Al + 4 NO3 = 9 Al(OH)4 + 4 NH3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
K2O2 + H2O = K2O + H2O2 =>
K2O2 + H2O = K2O + H2O2
H2CO2 = H2 + CO2 =>
H2CO2 = H2 + CO2
K2HPO4 + NaNO3 = KNO3 + Na2HPO4 =>
K2HPO4 + 2 NaNO3 = 2 KNO3 + Na2HPO4
K2CrO4 + Pb(NO3)2 = KNO3(aq) + PbCrO4(s) =>
K2CrO4 + Pb(NO3)2 = 2 KNO3(aq) + PbCrO4(s)
C3H8 + O2 = C2O4 + HO2 =>
2 C3H8 + 22 O2 = 3 C2O4 + 16 HO2
Fe(s) + Cu(SO4)(aq) = Fe(SO4)(aq) + Cu(s) =>
Fe(s) + Cu(SO4)(aq) = Fe(SO4)(aq) + Cu(s)
C8H9Cl + KMnO4 + H2SO4 = C7H5O2Cl + CO2 + K2SO4 + MnSO4 + H2O =>
5 C8H9Cl + 12 KMnO4 + 18 H2SO4 = 5 C7H5O2Cl + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
HCa + F = CaF2 + H2 =>
2 HCa + 4 F = 2 CaF2 + H2
KBr + HNO3 = NO + Br2 + KNO3 + H2O =>
6 KBr + 8 HNO3 = 2 NO + 3 Br2 + 6 KNO3 + 4 H2O
BaO + CO2 = BaO(CO2) =>
BaO + CO2 = BaO(CO2)
LiOH + Sr(NO3)2 = Li(NO3)2 + SrOH =>
LiOH + Sr(NO3)2 = Li(NO3)2 + SrOH
Sc2(SO4)3 + Na3PO4 = ScPO4 + Na2SO4 =>
Sc2(SO4)3 + 2 Na3PO4 = 2 ScPO4 + 3 Na2SO4
Ba(BrO3)2 + Na3PO4(aq) = Ba3(PO4)2(s) + NaBrO3 =>
3 Ba(BrO3)2 + 2 Na3PO4(aq) = Ba3(PO4)2(s) + 6 NaBrO3
Na3(Cr(OH)6) + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3(Cr(OH)6) + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO3 + H2O =>
K2Cr2O7 + 4 NaHSO3 + 2 H2SO4 = Cr2(SO4)3 + 2 Na2SO4 + K2SO3 + 4 H2O
Al(CH3COO)3 + K2CO3 = Al2(CO3)3 + KCH3COO =>
2 Al(CH3COO)3 + 3 K2CO3 = Al2(CO3)3 + 6 KCH3COO
CuBr + K = Cu + KBr =>
CuBr + K = Cu + KBr
ZrO2 + C + Cl2 = ZrCl + CO2 =>
2 ZrO2 + 2 C + Cl2 = 2 ZrCl + 2 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KI + KMnO4 + HCl = I2 + MnCl2 + KCl + H2O =>
10 KI + 2 KMnO4 + 16 HCl = 5 I2 + 2 MnCl2 + 12 KCl + 8 H2O
C23H48O3 + O2 = CO2 + H2O =>
2 C23H48O3 + 67 O2 = 46 CO2 + 48 H2O
Cu2S + CO2 = CuO + CS =>
Cu2S + CO2 = 2 CuO + CS
Sn2{+} + PbO2 = Pb2{+} + SnO2 =>
Sn2{+} + 2 PbO2 = Pb2{+} + 2 SnO2
I2 + Mn = MnI2 =>
I2 + Mn = MnI2
T2 = T =>
T2 = 2 T
KCl + AgN3 = KN3 + AgCl =>
KCl + AgN3 = KN3 + AgCl
H2O + CH4 = H2 + HCO4 =>
8 H2O + 2 CH4 = 11 H2 + 2 HCO4
Zn + CuSO4 = CuZn(SO4) =>
Zn + CuSO4 = CuZn(SO4)
MgO2 + HCl = MgCl3 + H2O + Cl2 =>
2 MgO2 + 8 HCl = 2 MgCl3 + 4 H2O + Cl2
Tl2O3 + H2O = TlOH + OH =>
Tl2O3 + 3 H2O = 2 TlOH + 4 OH
Co + O2 = CoO6 =>
Co + 3 O2 = CoO6
N2H2(l) = NH3(g) + N2(g) =>
3 N2H2(l) = 2 NH3(g) + 2 N2(g)
Na2Cr2O7 + CaCl2 + H2SO4 = Cr2(SO4)3 + Na2(SO4) + Ca2(SO4)2 + Cl2 + H2O =>
2 Na2Cr2O7 + 6 CaCl2 + 14 H2SO4 = 2 Cr2(SO4)3 + 2 Na2(SO4) + 3 Ca2(SO4)2 + 6 Cl2 + 14 H2O
SiH4(g) + NH3(g) = Si3N4(s) + NH4 =>
3 SiH4(g) + 28 NH3(g) = Si3N4(s) + 24 NH4
LiOH + H3(PO3) = Li3(PO3) + H2O =>
3 LiOH + H3(PO3) = Li3(PO3) + 3 H2O
C4H9Br + KOH = KBr + C4H8H2O =>
C4H9Br + KOH = KBr + C4H8H2O
H2O + HCO3 = O + H2CO3 =>
H2O + 2 HCO3 = O + 2 H2CO3
K2Cr2O7 + KI + H2SO4 = H2O + ISO4 + K2SO4 + CrSO4 =>
3 K2Cr2O7 + 8 KI + 21 H2SO4 = 21 H2O + 8 ISO4 + 7 K2SO4 + 6 CrSO4
C21H17O11 + O2 = CO2 + H2O =>
4 C21H17O11 + 79 O2 = 84 CO2 + 34 H2O
[Co(NH3)5Cl]{2+} + OH{-} + HCl = [Co(NH3)5Cl]Cl2 + H2O =>
[Co(NH3)5Cl]{2+} + 2 OH{-} + 2 HCl = [Co(NH3)5Cl]Cl2 + 2 H2O
Fe2O3 + LiF = Fe2F + LiO3 =>
Fe2O3 + LiF = Fe2F + LiO3
Sr(s) + OH(aq) = Sr(OH)2(s) =>
Sr(s) + 2 OH(aq) = Sr(OH)2(s)
LiBr + I2 = LiI + Br2 =>
2 LiBr + I2 = 2 LiI + Br2
H2SO4 = O2 + SO2 + H2O =>
2 H2SO4 = O2 + 2 SO2 + 2 H2O
C7H6O3 + C4H6O3 = C9H8O3 + CH3CO2 =>
11 C7H6O3 + 10 C4H6O3 = 9 C9H8O3 + 18 CH3CO2
PbO2 + Mn + SO4 = PbSO4 + MnO4 =>
2 PbO2 + Mn + 2 SO4 = 2 PbSO4 + MnO4
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