| Équations équilibrées la veille |
K2S + H2SO4 = K2SO4 + H2S
NaOH + CaBr2 = Ca(OH)2 + NaBr =>
2 NaOH + CaBr2 = Ca(OH)2 + 2 NaBr
Li + NaI = LiI + Na =>
Li + NaI = LiI + Na
NaZnO2 + HCl = NaCl + HZnO2 =>
NaZnO2 + HCl = NaCl + HZnO2
FeCr + H2SO4 = FeSO4 + Cr2SO4 + H2 =>
2 FeCr + 3 H2SO4 = 2 FeSO4 + Cr2SO4 + 3 H2
FeSO4 + HNO3 = Fe2(SO4)3 + Fe(NO3)3 + NO2 + H2O =>
3 FeSO4 + 6 HNO3 = Fe2(SO4)3 + Fe(NO3)3 + 3 NO2 + 3 H2O
Ag(s) + HNO3(aq) = AgNO3(aq) + H2O(l) + NO(g) =>
3 Ag(s) + 4 HNO3(aq) = 3 AgNO3(aq) + 2 H2O(l) + NO(g)
CoCl2 + H2SO4 = CoSO4H2Cl2 =>
CoCl2 + H2SO4 = CoSO4H2Cl2
Al + KOH + HOH = KAl(OH)4 + H2 =>
2 Al + 2 KOH + 6 HOH = 2 KAl(OH)4 + 3 H2
Cr2O3 + Na = Cr + NaO =>
Cr2O3 + 3 Na = 2 Cr + 3 NaO
HNO3 + KBr = Br2 + H2O + KNO3 + NO =>
8 HNO3 + 6 KBr = 3 Br2 + 4 H2O + 6 KNO3 + 2 NO
N2 + O2 = N2O5 = =>
2 N2 + 5 O2 = 2 N2O5
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
C2H6 + Br = C2H6Br =>
C2H6 + Br = C2H6Br
Hg2{2+} = Hg{2+} + Hg =>
Hg2{2+} = Hg{2+} + Hg
Pb(CN)2 + KI = PbI2 + KCN =>
Pb(CN)2 + 2 KI = PbI2 + 2 KCN
AgNO3 + K2(SO4) = Ag2SO4 + KNO3 =>
2 AgNO3 + K2(SO4) = Ag2SO4 + 2 KNO3
KBr + H2SO4 = Br2 + SO2 + H2O + KHSO4 =>
2 KBr + 3 H2SO4 = Br2 + SO2 + 2 H2O + 2 KHSO4
KHC4H4O6 + NaOH = NaKC4H4O6 + H2O =>
KHC4H4O6 + NaOH = NaKC4H4O6 + H2O
K + H3PO4 = H2 + K3PO4 =>
6 K + 2 H3PO4 = 3 H2 + 2 K3PO4
K = K2 =>
2 K = K2
H2O + CO2 = C12H22O + O =>
11 H2O + 12 CO2 = C12H22O + 34 O
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
C5H10O5 = C5H4O2 + H2O =>
C5H10O5 = C5H4O2 + 3 H2O
CaAlSiO3 + CO2 + H2O = SiO2 + Ca + HCO3 + Al =>
CaAlSiO3 + 2 CO2 + H2O = SiO2 + Ca + 2 HCO3 + Al
HBrO4 + Li(OH) = LiBrO4 + H2O =>
HBrO4 + Li(OH) = LiBrO4 + H2O
Hg{+} + Ag{+} = Ag + Hg{2+} =>
Hg{+} + Ag{+} = Ag + Hg{2+}
Sb2S3 + H{+} + NO3{-} = NO2 + Sb2O5 + SO4{2-} + H2O =>
Sb2S3 + 22 H{+} + 28 NO3{-} = 28 NO2 + Sb2O5 + 3 SO4{2-} + 11 H2O
CO2(g) + H2O = C12H24O12(s) + O2(g) =>
12 CO2(g) + 12 H2O = C12H24O12(s) + 12 O2(g)
Cd(s) + ZnSO4(aq) = CdSO4 + Zn(s) =>
Cd(s) + ZnSO4(aq) = CdSO4 + Zn(s)
Na + N2 = NaN3 =>
2 Na + 3 N2 = 2 NaN3
MnO + MnCl2 + H2O = Mn2(OH)3Cl =>
3 MnO + MnCl2 + 3 H2O = 2 Mn2(OH)3Cl
Si(s) + Al2O3(s) = SiO2(s) + Al(s) =>
3 Si(s) + 2 Al2O3(s) = 3 SiO2(s) + 4 Al(s)
MgBr2 = Mg + Br =>
MgBr2 = Mg + 2 Br
C6H8O7 + OH = CO2 + H2O =>
C6H8O7 + 18 OH = 6 CO2 + 13 H2O
CaH2 + H2O = Ca(OH2) + H2 =>
CaH2 + H2O = Ca(OH2) + H2
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
CH3COCCl3 + Ca(OH)2 = Ca(CH3COO)2 + CHCl3 =>
2 CH3COCCl3 + Ca(OH)2 = Ca(CH3COO)2 + 2 CHCl3
CuCl2 + H2O = Cu(OH)2 + HCl =>
CuCl2 + 2 H2O = Cu(OH)2 + 2 HCl
Br + N2 = N2Br3 =>
3 Br + N2 = N2Br3
N2(g) + O2 = NO(g) =>
N2(g) + O2 = 2 NO(g)
As2S3 + KNO3 + H2SO4 = NO2 + K2SO4 + K3AsO4 + H2O =>
As2S3 + 28 KNO3 + 8 H2SO4 = 28 NO2 + 11 K2SO4 + 2 K3AsO4 + 8 H2O
HCl + MnO2 = MnCl2Cl2 + H2O =>
4 HCl + MnO2 = MnCl2Cl2 + 2 H2O
LiH + BCl3 = LiCl3 + BH =>
LiH + BCl3 = LiCl3 + BH
I2 + FeCl2 + HCl = FeCl3 + HI =>
I2 + 2 FeCl2 + 2 HCl = 2 FeCl3 + 2 HI
KNO3 + KI + H2O = KIO3 + KOH + NO =>
2 KNO3 + KI + H2O = KIO3 + 2 KOH + 2 NO
Mo24O37 + KMnO4 + H2SO4 = MoO3 + K2SO2 + MnSO4 + H2O =>
Mo24O37 + 10 KMnO4 + 15 H2SO4 = 24 MoO3 + 5 K2SO2 + 10 MnSO4 + 15 H2O
ZnClO4 + Li = Cl + Li2O + Zn =>
ZnClO4 + 8 Li = Cl + 4 Li2O + Zn
K2O + Cl = KCl + O2 =>
2 K2O + 4 Cl = 4 KCl + O2
C3H9O6P + Na2CO3 + H2O = C3H7Na2O6P*5H2O + CO2 =>
C3H9O6P + Na2CO3 + 4 H2O = C3H7Na2O6P*5H2O + CO2
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