| Équations équilibrées la veille |
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
CrCl2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Cl2 + K2SO4 + H2O =>
2 CrCl2 + K2Cr2O7 + 7 H2SO4 = 2 Cr2(SO4)3 + 2 Cl2 + K2SO4 + 7 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NO + CaO = Ca + NO2 =>
NO + CaO = Ca + NO2
AgHNO3 + Cu = Cu(HNO3)2 + Ag =>
2 AgHNO3 + Cu = Cu(HNO3)2 + 2 Ag
AuNO3 = Au2O + NO2 + O2 =>
4 AuNO3 = 2 Au2O + 4 NO2 + O2
MgBr2 + Na2S = MgS + NaBr =>
MgBr2 + Na2S = MgS + 2 NaBr
MnO2 + Cl = ClO + Mn =>
MnO2 + 2 Cl = 2 ClO + Mn
Fe + H2O2 + HCl = FeCl2 + H2O =>
Fe + H2O2 + 2 HCl = FeCl2 + 2 H2O
HCOH + CuO = HCOOH + Cu2O =>
HCOH + 2 CuO = HCOOH + Cu2O
H2O(l) + SO2(g) = H2SO3(ac) =>
H2O(l) + SO2(g) = H2SO3(ac)
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
AlCl3 + Na2SO3 + H2O = Al(OH)3 + SO2 + NaCl =>
2 AlCl3 + 3 Na2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 6 NaCl
(CH3COOH) + KOH = K(C2H3O2) + H2O =>
(CH3COOH) + KOH = K(C2H3O2) + H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
CoCl2 + NH3 + H2O = Co(OH)Cl + NH4 + Cl =>
CoCl2 + NH3 + H2O = Co(OH)Cl + NH4 + Cl
CaOSO3 = CaSO4 =>
CaOSO3 = CaSO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CuSO4 + OH = CuOH + SO4 =>
CuSO4 + OH = CuOH + SO4
Cu(No3)2 + KOH = KNo3 + Cu(OH)2 =>
Cu(No3)2 + 2 KOH = 2 KNo3 + Cu(OH)2
Cl2F2 + O2 = ClO2F =>
Cl2F2 + 2 O2 = 2 ClO2F
Al2O3 + HCOOH = Al(COOH)3 + H2O =>
Al2O3 + 6 HCOOH = 2 Al(COOH)3 + 3 H2O
K(s) + I2(g) = KI =>
2 K(s) + I2(g) = 2 KI
K + Au3N = Au + K3N =>
3 K + Au3N = 3 Au + K3N
SO3 + Ag2O = Ag2S + O =>
SO3 + Ag2O = Ag2S + 4 O
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
K2Cr2O7 + HI = KI + H2Cr2O7 =>
K2Cr2O7 + 2 HI = 2 KI + H2Cr2O7
CH3CH2OH + KCr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + H2O + K2SO4 =>
7 CH3CH2OH + 4 KCr2O7 + 14 H2SO4 = 7 CH3COOH + 4 Cr2(SO4)3 + 21 H2O + 2 K2SO4
K2Cr2O7 + KI + HNO3 = KNO3 + Cr(NO3)2 + I2 + H2O =>
K2Cr2O7 + 8 KI + 14 HNO3 = 10 KNO3 + 2 Cr(NO3)2 + 4 I2 + 7 H2O
Mg + H2SO4 = MgSO4 + H2O + SO2 =>
Mg + 2 H2SO4 = MgSO4 + 2 H2O + SO2
NiBr2 + K2CO3 = CO3Ni + Br2K2 =>
NiBr2 + K2CO3 = CO3Ni + Br2K2
Sr(NO3)2 + Zn(NO3)2*6H2O + NaNO3*2H2O + NH4VO3 = Sr2Zn2Na(VO4)3 + NH3 + NO2 + H2O =>
14 Sr(NO3)2 + 14 Zn(NO3)2*6H2O + 7 NaNO3*2H2O + 21 NH4VO3 = 7 Sr2Zn2Na(VO4)3 + 12 NH3 + 72 NO2 + 122 H2O
Ba(C2H3O2)2 + H2SO4 = BaSO4 + H(C2H3O2) =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 H(C2H3O2)
Ba(OH)2 + NaOAc = NaOH + Ba(OAc)2 =>
Ba(OH)2 + 2 NaOAc = 2 NaOH + Ba(OAc)2
CsHNO3 = CsNO3H =>
CsHNO3 = CsNO3H
As4S6(s) + O2(g) = As4O6(s) + SO3(g) =>
As4S6(s) + 12 O2(g) = As4O6(s) + 6 SO3(g)
NaClO + (C6H10O5) = NaCl + CO2 + H2O =>
12 NaClO + (C6H10O5) = 12 NaCl + 6 CO2 + 5 H2O
H2SO4 + Ca3(HCO3)2 = H3(HCO3) + CaSO4 =>
3 H2SO4 + Ca3(HCO3)2 = 2 H3(HCO3) + 3 CaSO4
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
NHO3 + C13H28 = H2O + CO2 + NO2 =>
80 NHO3 + C13H28 = 54 H2O + 13 CO2 + 80 NO2
(NH4)2Cr2O7 + H2SO4 = Cr{3+} + H2O + O2 + (NH4)2SO4 + SO4{2-} =>
2(NH4)2Cr2O7 + 8 H2SO4 = 4 Cr{3+} + 8 H2O + 3 O2 + 2(NH4)2SO4 + 6 SO4{2-}
LiPO4 + Zn(NO3)2 = Li(NO3) + Zn(PO4)2 =>
2 LiPO4 + Zn(NO3)2 = 2 Li(NO3) + Zn(PO4)2
NH3 + C3H8O3 = C3H8O2 + H2O + C4H7O2N =>
3 NH3 + 8 C3H8O3 = 4 C3H8O2 + 10 H2O + 3 C4H7O2N
Cd2 + H3BO3 = H + Cd3(BO3)2 =>
3 Cd2 + 4 H3BO3 = 12 H + 2 Cd3(BO3)2
Fe3O4(aq) + H2(g) = Fe(aq) + H2O(l) =>
Fe3O4(aq) + 4 H2(g) = 3 Fe(aq) + 4 H2O(l)
KI + Cl2 + KOH = KCl + KIO3 + H2O =>
KI + 3 Cl2 + 6 KOH = 6 KCl + KIO3 + 3 H2O
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
AlBr3(aq) + Cl2(g) = AlCl + Br =>
2 AlBr3(aq) + Cl2(g) = 2 AlCl + 6 Br
Na + CH3COO = C2H3NaOO =>
Na + CH3COO = C2H3NaOO
PbCl2 + NaSO4 = NaCl2 + PbSO4 =>
PbCl2 + NaSO4 = NaCl2 + PbSO4
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