| Équations équilibrées la veille |
2 HBr(g) + F2(g) = 2 HF(g) + Br2(l)
C2H3COONa + AgNO3 + NH3 + H2O = Ag + Na2CO3 + (NH4)2CO3 =>
6 C2H3COONa + 8 AgNO3 + 22 NH3 + 18 H2O = 8 Ag + 3 Na2CO3 + 15(NH4)2CO3
Al + C + H2O = Al(OH)3 + CH4 =>
4 Al + 3 C + 12 H2O = 4 Al(OH)3 + 3 CH4
BF3 + H2O = B2O3 + HF =>
2 BF3 + 3 H2O = B2O3 + 6 HF
Ni(NO3)2*6H2O = Ni(NO3)2 + H2O =>
Ni(NO3)2*6H2O = Ni(NO3)2 + 6 H2O
C2H6O = CH4 + CO2 =>
2 C2H6O = 3 CH4 + CO2
ZnBr2 + Na2S = ZnS + BrNa =>
ZnBr2 + Na2S = ZnS + 2 BrNa
Cl + O2 = ClO2 =>
Cl + O2 = ClO2
Fe2 + O2 + H2O = Fe(OH)2 =>
Fe2 + O2 + 2 H2O = 2 Fe(OH)2
KClO4 + HCl = KCl + HClO4 =>
KClO4 + HCl = KCl + HClO4
C2H4 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C2H4 + 12 KMnO4 + 18 H2SO4 = 10 CO2 + 12 MnSO4 + 6 K2SO4 + 28 H2O
Cu2O(s) + CO(g) = Cu(s) + CO2(g) =>
Cu2O(s) + CO(g) = 2 Cu(s) + CO2(g)
S2O3{2-} = SO3{2-} + S =>
S2O3{2-} = SO3{2-} + S
KH2O = KOH + H =>
KH2O = KOH + H
HCl + K2S + K2SO3 = S + KCl + H2O =>
6 HCl + 2 K2S + K2SO3 = 3 S + 6 KCl + 3 H2O
SrC2O4 = Sr + C + O =>
SrC2O4 = Sr + 2 C + 4 O
K + ZnCl2 = KCl + Zn =>
2 K + ZnCl2 = 2 KCl + Zn
AgBr(s) = Ag(s) + Br(g) =>
AgBr(s) = Ag(s) + Br(g)
AlOH{2+} + FeSCN{3-} = AlOHFeSCN{-} =>
AlOH{2+} + FeSCN{3-} = AlOHFeSCN{-}
C2H4(g) + H2O(g) = CH3CH2OH(g) =>
C2H4(g) + H2O(g) = CH3CH2OH(g)
LiOH + Cl2O3 = LiClO2 + H2O =>
2 LiOH + Cl2O3 = 2 LiClO2 + H2O
Pb(C2H3O2)2(aq) + H2O(l) + CO2(g) = PbCO3(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + H2O(l) + CO2(g) = PbCO3(s) + 2 HC2H3O2(aq)
C6H5CH3 + O2 = H2O + CO2 =>
C6H5CH3 + 9 O2 = 4 H2O + 7 CO2
Cr + MgSO4 = Mg + Cr2(SO4)3 =>
2 Cr + 3 MgSO4 = 3 Mg + Cr2(SO4)3
NaHSO4H2O + NaOH = Na2SO4 + H2O =>
NaHSO4H2O + NaOH = Na2SO4 + 2 H2O
Ni + NH4OH = Ni(NH3)4 + H2O =>
Ni + 4 NH4OH = Ni(NH3)4 + 4 H2O
I3{-} + S2O3{2-} = I{-} + S4O6{2-} =>
I3{-} + 2 S2O3{2-} = 3 I{-} + S4O6{2-}
Ca(NO3)2(aq) + Na3PO4(aq) = Ca3(PO4)2(aq) + NaNO3(aq) =>
3 Ca(NO3)2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(aq) + 6 NaNO3(aq)
NaOH + CO2(g) = NaHCO3 =>
NaOH + CO2(g) = NaHCO3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CHO + H2O =>
3 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CHO + 7 H2O
Ag3PO4 = Ag + PO4 =>
Ag3PO4 = 3 Ag + PO4
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)(aq) + Zn(s) =>
2 Fe(s) + Zn(NO3)2(aq) = 2 Fe(NO3)(aq) + Zn(s)
La2O3 + CoO + ReO2 = La2CoReO6 =>
La2O3 + CoO + ReO2 = La2CoReO6
Pb(No3)2(aq) + KI = KNo3 + PbI2 =>
Pb(No3)2(aq) + 2 KI = 2 KNo3 + PbI2
Ba(ClO3)2 + Na2S = BaS + NaClO3 =>
Ba(ClO3)2 + Na2S = BaS + 2 NaClO3
CH2O = C + H2 + O2 =>
2 CH2O = 2 C + 2 H2 + O2
KH2PO4 + KOH = K2HPO4 + H2O =>
KH2PO4 + KOH = K2HPO4 + H2O
N2H6SO4 + KMnO4 = N2 + H2SO4 + H2O + MnO2 + K =>
N2H6SO4 + KMnO4 = N2 + H2SO4 + 2 H2O + MnO2 + K
FeCl2 + Ag3PO4 = Fe3(PO4)2 + AgCl =>
3 FeCl2 + 2 Ag3PO4 = Fe3(PO4)2 + 6 AgCl
C2H6 + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H6 + 2 K2Cr2O7 + 8 H2SO4 = 3 C2H4O + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Ag2CO3 + NaBr = AgBr + Na2CO3 =>
Ag2CO3 + 2 NaBr = 2 AgBr + Na2CO3
CO3 + H2O = H2CO3 + OH =>
CO3 + 2 H2O = H2CO3 + 2 OH
HCOOH + H2SO4 = CO2 + H2O + H2S =>
4 HCOOH + H2SO4 = 4 CO2 + 4 H2O + H2S
K2Cr2O7 + CH3CH2CH2OH + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 K2Cr2O7 + CH3CH2CH2OH + 12 H2SO4 = 3 K2SO4 + 3 Cr2(SO4)3 + 3 CO2 + 16 H2O
CuBr2 + NH4NO3 = CuNO3 + NH4Br2 =>
CuBr2 + NH4NO3 = CuNO3 + NH4Br2
Zn + H2SO3 + HCl = S + ZnCl2 + H2O =>
2 Zn + H2SO3 + 4 HCl = S + 2 ZnCl2 + 3 H2O
K2Cr2O7 + Al = Cr + KAlO2 + Al2O3 =>
K2Cr2O7 + 4 Al = 2 Cr + 2 KAlO2 + Al2O3
HCOOH(aq) + Na2CO3(s) = HCOONa(aq) + H2O(l) + CO2 =>
2 HCOOH(aq) + Na2CO3(s) = 2 HCOONa(aq) + H2O(l) + CO2
Cr2O3 + SO2 = CrO3 + S =>
2 Cr2O3 + 3 SO2 = 4 CrO3 + 3 S
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