| Équations équilibrées la veille |
Zn + 2 H2Cl = ZnCl2 + 2 H2
KIO3 + H2SO3 = H2SO4 + KI =>
KIO3 + 3 H2SO3 = 3 H2SO4 + KI
Pb(NO3)2 + CaCl2 = PbCl2 + Ca(NO3)2 =>
Pb(NO3)2 + CaCl2 = PbCl2 + Ca(NO3)2
KI3 + NaOH = NaI + H2O + NaIO3 + KOH =>
3 KI3 + 9 NaOH = 8 NaI + 3 H2O + NaIO3 + 3 KOH
NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(aq) + NH4OH(l) =>
2 NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 NH4OH(l)
HNO3(aq) + LiSO3(s) = HSO3 + LiNO3 =>
HNO3(aq) + LiSO3(s) = HSO3 + LiNO3
NaBr + NaBrO3 + HCl = Br2 + NaCl + H2O =>
5 NaBr + NaBrO3 + 6 HCl = 3 Br2 + 6 NaCl + 3 H2O
NaHSO4 + CuSO4 = Cu(HSO4)2 + Na2SO4 =>
2 NaHSO4 + CuSO4 = Cu(HSO4)2 + Na2SO4
Fe(s) + I2(s) = Fe{3+}(aq) + I{-}(aq) =>
2 Fe(s) + 3 I2(s) = 2 Fe{3+}(aq) + 6 I{-}(aq)
Fe2O3 + Cu2S = Fe2S + Cu2O3 =>
Fe2O3 + Cu2S = Fe2S + Cu2O3
BaS + H2SO4 = BaSO4 + H2S =>
BaS + H2SO4 = BaSO4 + H2S
Dy2(O3) + HCl = Dy(Cl3) + H2O =>
Dy2(O3) + 6 HCl = 2 Dy(Cl3) + 3 H2O
H2 + PbSO4 = H{+}{-} + SO4{2-} + Pb =>
H2 + PbSO4 = 2 H{+}{-} + SO4{2-} + Pb
MgCO3 + C4H6O5 = MgC4H4O5 + H2O + CO2 =>
MgCO3 + C4H6O5 = MgC4H4O5 + H2O + CO2
Br + N2 = N2Br3 =>
3 Br + N2 = N2Br3
CU(OH)2 + HI = CUI2 + H2O =>
CU(OH)2 + 2 HI = CUI2 + 2 H2O
Fe2(SO4)3 + Sodiumhydroxide = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
H2S(aq) + LiOH(aq) = H2O(l) + Li2S(aq) =>
H2S(aq) + 2 LiOH(aq) = 2 H2O(l) + Li2S(aq)
PO4{3-} + Sr{2+} = Sr3(PO4)2 =>
2 PO4{3-} + 3 Sr{2+} = Sr3(PO4)2
CH3CHO + O = CH3COOH =>
CH3CHO + O = CH3COOH
Ag + H2CO3 = AgCO3 + H2 =>
Ag + H2CO3 = AgCO3 + H2
B + NaOH + O2 = NaBO2 + H2O =>
4 B + 4 NaOH + 3 O2 = 4 NaBO2 + 2 H2O
Fe(OH){3} + HCl = FeCl{3} + H2O =>
Fe(OH){3} + HCl = FeCl{3} + H2O
H3BO3 + Cr(OH)2 = Cr3(BO3)2 + H2O =>
2 H3BO3 + 3 Cr(OH)2 = Cr3(BO3)2 + 6 H2O
Cr2(SO4)3 + I2 + KOH = K2Cr2O7 + KI + K2SO4 + H2O =>
Cr2(SO4)3 + 3 I2 + 14 KOH = K2Cr2O7 + 6 KI + 3 K2SO4 + 7 H2O
Pb(NO3)2 + Na2CO2 = PbCO2 + NaNO3 =>
Pb(NO3)2 + Na2CO2 = PbCO2 + 2 NaNO3
FeS + H2O2 = FeO + H2SO4 + H2O =>
FeS + 4 H2O2 = FeO + H2SO4 + 3 H2O
C2H3N + H2O = NOH + CO2 + H2 =>
C2H3N + 5 H2O = NOH + 2 CO2 + 6 H2
ZnS = S + Zn2{+} + e =>
2 ZnS = 2 S + Zn2{+} + e
Fe{+3} + C2O4{2-} = Fe(C2O4)3{3-} =>
Fe{+3} + 3 C2O4{2-} = Fe(C2O4)3{3-}
CuCl2 + H2SO4 + H2O = CuSO4*2H2O + HCl =>
CuCl2 + H2SO4 + 2 H2O = CuSO4*2H2O + 2 HCl
BaCl2 + KIO3 = Ba(IO3)2 + KCl =>
BaCl2 + 2 KIO3 = Ba(IO3)2 + 2 KCl
HCOOH + Br2 = HCOOBr + HBr =>
HCOOH + Br2 = HCOOBr + HBr
NI3 + O2 = NO3 + I2 =>
2 NI3 + 3 O2 = 2 NO3 + 3 I2
NaOH + Ca = CaOH + Na =>
NaOH + Ca = CaOH + Na
Ca10(PO4)6(OH)2(s) + HCl(aq) = CaCl2(aq) + CaHPO4(aq) + H2O(l) =>
Ca10(PO4)6(OH)2(s) + 8 HCl(aq) = 4 CaCl2(aq) + 6 CaHPO4(aq) + 2 H2O(l)
Na2SO4(aq) + AgNO3(aq) = Ag2SO4(aq) + NaNO3 =>
Na2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(aq) + 2 NaNO3
CuO + NiO + TeO2 + O2 = Cu6Ni9Te5O30 =>
12 CuO + 18 NiO + 10 TeO2 + 5 O2 = 2 Cu6Ni9Te5O30
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
Cl2O3 + H2O = Cl2O + HO =>
Cl2O3 + 2 H2O = Cl2O + 4 HO
C6H6 + NH4Al(SO4)2*12H2O = C4H + N(C2H5) + Al(SO4)2 + H4*12HOH =>
C6H6 + NH4Al(SO4)2*12H2O = C4H + N(C2H5) + Al(SO4)2 + H4*12HOH
K(OH) + HBrO4 = K(BrO4) + H2O =>
K(OH) + HBrO4 = K(BrO4) + H2O
Sr(OH)2 + K2O = SrO + KOH =>
Sr(OH)2 + K2O = SrO + 2 KOH
NH2HgCl = N2 + NH3 + Hg2Cl2 =>
6 NH2HgCl = N2 + 4 NH3 + 3 Hg2Cl2
LiCl + H2SO4 = hydrogenchloride + lithiumsulfate =>
2 LiCl + H2SO4 = 2 HCl + Li2SO4
NH3 + H2O = H2 + N2O3 =>
2 NH3 + 3 H2O = 6 H2 + N2O3
KMnO4 + KIO3 + H2O = KIO4 + MnO2 + KOH =>
2 KMnO4 + 3 KIO3 + H2O = 3 KIO4 + 2 MnO2 + 2 KOH
Al + K2SO4 + H2O + SO4 = KAl(SO4)2*12H2O =>
2 Al + K2SO4 + 24 H2O + 3 SO4 = 2 KAl(SO4)2*12H2O
C2CH5CHOH + O2 = CO2 + H2O =>
4 C2CH5CHOH + 21 O2 = 16 CO2 + 14 H2O
Fe + HO4S = Fe2(SO4)3 + H =>
2 Fe + 3 HO4S = Fe2(SO4)3 + 3 H
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