| Équations équilibrées la veille |
2 S + 3 O2 = 2 SO3
K2MnO4 + MeCOOH = KMnO4 + MnO2 + MeCOOK + H2O =>
3 K2MnO4 + 4 MeCOOH = 2 KMnO4 + MnO2 + 4 MeCOOK + 2 H2O
C5H10O3 + H2O = HCO3{-} + H{+} + H2 =>
C5H10O3 + 12 H2O = 5 HCO3{-} + 5 H{+} + 12 H2
NaOH + HClO4 = (aq)NaClO4 + H2O =>
NaOH + HClO4 = (aq)NaClO4 + H2O
Al2(SO4)3 + Zn(OH)2 = Al(OH)3 + ZnSO4 =>
Al2(SO4)3 + 3 Zn(OH)2 = 2 Al(OH)3 + 3 ZnSO4
Si + Cu2O = Si2O + Cu =>
2 Si + Cu2O = Si2O + 2 Cu
Rb3PO4 + LiOH = RbOH + Li3PO4 =>
Rb3PO4 + 3 LiOH = 3 RbOH + Li3PO4
CH3COOH + KOH = C2HOK + H2O =>
CH3COOH + KOH = C2HOK + 2 H2O
VO2 + HNO3 = V(NO3)4 + H2O =>
VO2 + 4 HNO3 = V(NO3)4 + 2 H2O
HgO(s) + Cl2(g) = HgCl(s) + O2(g) =>
2 HgO(s) + Cl2(g) = 2 HgCl(s) + O2(g)
C3H6 + O2 = CO2 + H2 =>
C3H6 + 3 O2 = 3 CO2 + 3 H2
H3PO2 + H2CrO6 + HCl = H3PO4 + CrCl3 + H2O =>
7 H3PO2 + 4 H2CrO6 + 12 HCl = 7 H3PO4 + 4 CrCl3 + 10 H2O
N2H4 + I2 + H2O = N2 + I{-} + H3O{+} =>
N2H4 + 2 I2 + 4 H2O = N2 + 4 I{-} + 4 H3O{+}
Al(OH)3 + CsBr = AlBr3 + CsOH =>
Al(OH)3 + 3 CsBr = AlBr3 + 3 CsOH
C256H381 + N65O79S6 = C256H381N65O79S6 =>
C256H381 + N65O79S6 = C256H381N65O79S6
Ca(NO3)2 + Ag2(Cr2O7) = Ca(Cr2O7) + AgNO3 =>
Ca(NO3)2 + Ag2(Cr2O7) = Ca(Cr2O7) + 2 AgNO3
SC + HBr = SCBr3 + H2 =>
2 SC + 6 HBr = 2 SCBr3 + 3 H2
Au + CuCl2 = Cu + Au(Cl2)2 =>
Au + 2 CuCl2 = 2 Cu + Au(Cl2)2
HNO3 + P4 + H2O = H5PO4 + NO =>
4 HNO3 + P4 + 8 H2O = 4 H5PO4 + 4 NO
Mg(OH)2 + Li3PO4 = LiOH + Mg3(PO4)2 =>
3 Mg(OH)2 + 2 Li3PO4 = 6 LiOH + Mg3(PO4)2
Mg(OH)2 + HNO3 = Mg{2+} + NO3{-} + H3O{+} =>
Mg(OH)2 + 4 HNO3 = Mg{2+} + 4 NO3{-} + 2 H3O{+}
Magnesium + titanium(Iv)chloride = magnesiumchloride + titanium =>
2 Mg + TiCl4 = 2 MgCl2 + Ti
KMnO4 + CuSO4 = CuMn2O8 + K2SO4 =>
2 KMnO4 + CuSO4 = CuMn2O8 + K2SO4
NaOH + Al(OH)3 = H2O + AlO2 + Na =>
NaOH + Al(OH)3 = 2 H2O + AlO2 + Na
C2H5NO2 = C + H + O + N =>
C2H5NO2 = 2 C + 5 H + 2 O + N
Na(s) + C1(g) = NaC1(s) =>
Na(s) + C1(g) = NaC1(s)
C6H12N4 + HNO3 = C3H6O6N6 + HCHO + NH4NO3 =>
C6H12N4 + 4 HNO3 = C3H6O6N6 + 3 HCHO + NH4NO3
KHCO3 = K2(CO3) + CO2 + H2O =>
2 KHCO3 = K2(CO3) + CO2 + H2O
NaI(s) = Na{+}(aq) + I{-}(aq) =>
NaI(s) = Na{+}(aq) + I{-}(aq)
KHCO3 = K2CO3 + CO2 + H2O =>
2 KHCO3 = K2CO3 + CO2 + H2O
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
C2H5S + O2 = CO2 + H2O + SO2 =>
4 C2H5S + 17 O2 = 8 CO2 + 10 H2O + 4 SO2
NaHCO3(s) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq) =>
NaHCO3(s) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq)
Na2S(aq) + Pb(NO3)2(aq) = NaNO3(aq) + PbS(aq) =>
Na2S(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + PbS(aq)
Si + HNO3 + HF = H2SiF6 + NO2 + H2O =>
Si + 4 HNO3 + 6 HF = H2SiF6 + 4 NO2 + 4 H2O
NaOH + HCOOH = NaCOOH + H2O =>
NaOH + HCOOH = NaCOOH + H2O
LiOH + H2O2 = LiOOH + H2O =>
LiOH + H2O2 = LiOOH + H2O
Al(OH)3(s) = Al2O3(s) + H2O(k) =>
2 Al(OH)3(s) = Al2O3(s) + 3 H2O(k)
KC2H3O2 + CoSO4 = CoH3O2 + KC2SO4 =>
KC2H3O2 + CoSO4 = CoH3O2 + KC2SO4
HNO3 + H2S = H2SO4 + H2O + N2 =>
8 HNO3 + 5 H2S = 5 H2SO4 + 4 H2O + 4 N2
NO3{-} + AsI3 + H{+} = NO + H3AsO4 + IO3{-} + H2O =>
20 NO3{-} + 3 AsI3 + 11 H{+} = 20 NO + 3 H3AsO4 + 9 IO3{-} + H2O
HgSO4 + KI = I2 + HgI + K2SO4 =>
2 HgSO4 + 4 KI = I2 + 2 HgI + 2 K2SO4
C2H4O2 + NaHCO3 = C2H3NaO2 + H2CO3 =>
C2H4O2 + NaHCO3 = C2H3NaO2 + H2CO3
HClO3 + S = HCl + SO2 =>
2 HClO3 + 3 S = 2 HCl + 3 SO2
S2X5 = X2 + S =>
2 S2X5 = 5 X2 + 4 S
H3S + OH = H2S + H2O =>
H3S + OH = H2S + H2O
XYO3(s) = XY(s) + O2(g) =>
2 XYO3(s) = 2 XY(s) + 3 O2(g)
As2O5(s) + Ca(OH)2(aq) = Ca3(AsO4)2(aq) + H2O(g) =>
As2O5(s) + 3 Ca(OH)2(aq) = Ca3(AsO4)2(aq) + 3 H2O(g)
Cr2(SO4)3 + KOH + ClO3K = K2CrO4 + H2O + KCl + K2SO4 =>
Cr2(SO4)3 + 10 KOH + ClO3K = 2 K2CrO4 + 5 H2O + KCl + 3 K2SO4
HAsO2 + H2O = H3AsO4 + H =>
HAsO2 + 2 H2O = H3AsO4 + 2 H
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