| Équations équilibrées la veille |
34 KCl + 18 KOH + 3 Cr2SO43 = 34 KClO3 + 6 K2CrO4 + 3 K2SO4 + 9 H2O
MnO2 + NaOH = Mn(OH)2 + NaO =>
MnO2 + 2 NaOH = Mn(OH)2 + 2 NaO
Zn + OH{-} + H2O = [Zn(OH)4]2{-} + H2 =>
4 Zn + 2 OH{-} + 14 H2O = 2[Zn(OH)4]2{-} + 7 H2
CrOSO2 = CrSO3 =>
CrOSO2 = CrSO3
H3C6H5O7 = H + H2C6H5O7 =>
H3C6H5O7 = H + H2C6H5O7
MnO2 + HCl = H2O + MnCl2 + Cl =>
MnO2 + 4 HCl = 2 H2O + MnCl2 + 2 Cl
K4[Fe(CN)6] + K2Cr2O7 + HCl = FeCl2 + CrCl3 + CO2 + H2O + KCl + KNO3 =>
K4[Fe(CN)6] + 10 K2Cr2O7 + 80 HCl = FeCl2 + 20 CrCl3 + 6 CO2 + 40 H2O + 18 KCl + 6 KNO3
CH3CH2OH + H2SO4 = CH3CH2O + H3SO4 =>
CH3CH2OH + H2SO4 = CH3CH2O + H3SO4
NaBr(aq) + Cl2(aq) = Br2(l) + NaCl(aq) =>
2 NaBr(aq) + Cl2(aq) = Br2(l) + 2 NaCl(aq)
K2SHCl = K2ClHS =>
K2SHCl = K2ClHS
Si + H2O = Si(OH) + H =>
Si + H2O = Si(OH) + H
CrCl3 + KClO3 + K(OH) = K2(CrO4) + KCl + H2O =>
2 CrCl3 + KClO3 + 10 K(OH) = 2 K2(CrO4) + 7 KCl + 5 H2O
CN{-} + OCl{-} + OH{-} = N2 + CO3{-2} + H2O + Cl{-} =>
2 CN{-} + 5 OCl{-} + 2 OH{-} = N2 + 2 CO3{-2} + H2O + 5 Cl{-}
CH3OH + KMnO4 + H2SO4 = CH2O + Mn + K2SO4 + H2O =>
7 CH3OH + 2 KMnO4 + H2SO4 = 7 CH2O + 2 Mn + K2SO4 + 8 H2O
Mg3(PO4)2 + CCl4 = MgCl2 + CO2 + PCl3 + O2 =>
Mg3(PO4)2 + 3 CCl4 = 3 MgCl2 + 3 CO2 + 2 PCl3 + O2
MnO4{-} + IO3{-} + H2O = MnO2 + IO4{-} + OH{-} =>
2 MnO4{-} + 3 IO3{-} + H2O = 2 MnO2 + 3 IO4{-} + 2 OH{-}
Zn + OH{-} + H2O = [Zn(OH)4]2{-} + H2 =>
4 Zn + 2 OH{-} + 14 H2O = 2[Zn(OH)4]2{-} + 7 H2
Fe(s) + H2O(l) = Fe2O3(s) + H2(g) =>
2 Fe(s) + 3 H2O(l) = Fe2O3(s) + 3 H2(g)
S2 + H2O = SOH + H2 =>
S2 + 2 H2O = 2 SOH + H2
(CH3)3N + HCl = CH3Cl + NH3 =>
(CH3)3N + 3 HCl = 3 CH3Cl + NH3
Al + H{+} = Al3{+} + H2 =>
6 Al + 2 H{+} = 2 Al3{+} + H2
C2H4OCu(OH)2 = C2H4O2CuH2O =>
C2H4OCu(OH)2 = C2H4O2CuH2O
Pb + Co{2+} = Co + Pb{2+} =>
Pb + Co{2+} = Co + Pb{2+}
Zn(OH) + H3PO4 = Zn3(PO4) + H2O =>
3 Zn(OH) + H3PO4 = Zn3(PO4) + 3 H2O
Li2S + Cl2 = LiCl + S =>
Li2S + Cl2 = 2 LiCl + S
AgNO3 + HAsO4 = AgAsO4 + HNO3 =>
AgNO3 + HAsO4 = AgAsO4 + HNO3
CuO + SO4 = CuSO5 =>
CuO + SO4 = CuSO5
Zn + NaCl2 = ZnCl2 + Na =>
Zn + NaCl2 = ZnCl2 + Na
MnSO4 + Cl2 + KOH = KMnO4 + KCl + K2SO4 + H2O =>
2 MnSO4 + 5 Cl2 + 16 KOH = 2 KMnO4 + 10 KCl + 2 K2SO4 + 8 H2O
KI + F2 = KF + I2 =>
2 KI + F2 = 2 KF + I2
CH + KNO3 = CO + H2 + N2 + K2O =>
10 CH + 4 KNO3 = 10 CO + 5 H2 + 2 N2 + 2 K2O
BaCl2 + Ni(OH)3 = Ba(OH)2 + NiCl3 =>
3 BaCl2 + 2 Ni(OH)3 = 3 Ba(OH)2 + 2 NiCl3
AgCl + PbS = PbCl2 + Ag2S =>
2 AgCl + PbS = PbCl2 + Ag2S
CaSO3*2H2O + KNO3 = KNO2 + CaSO4 + H2O =>
CaSO3*2H2O + KNO3 = KNO2 + CaSO4 + 2 H2O
Mn + H2S = MnS + H2 =>
Mn + H2S = MnS + H2
H2NOH + HCl = H2NCl + H2O =>
H2NOH + HCl = H2NCl + H2O
I2 + O = I2O5 =>
I2 + 5 O = I2O5
(NH4)2SO4 + H2O = NH3 + SO4 + H3O =>
(NH4)2SO4 + 2 H2O = 2 NH3 + SO4 + 2 H3O
Zn + OH{-} + H2O = [Zn(OH)4]2{-} + H2 =>
4 Zn + 2 OH{-} + 14 H2O = 2[Zn(OH)4]2{-} + 7 H2
SiO2 + NFO4 = NO2 + O2 + SiF4 =>
SiO2 + 4 NFO4 = 4 NO2 + 5 O2 + SiF4
Cu(NO3)2 + NaI = I2 + Cu0 + NaNO3 =>
Cu(NO3)2 + 2 NaI = I2 + Cu0 + 2 NaNO3
As2O5 + SO2 + H2O = H2SO4 + H3AsO3 =>
As2O5 + 2 SO2 + 5 H2O = 2 H2SO4 + 2 H3AsO3
C7H1203 + O2 = CO2 + H2O =>
4 C7H1203 + 1231 O2 = 28 CO2 + 2406 H2O
H2SO4 + Na2S2O5 = NaHSO4 + H2O + SO2 =>
2 H2SO4 + Na2S2O5 = 2 NaHSO4 + H2O + 2 SO2
ZnCuSO4(aq) = Cu(s)ZnSO4 =>
ZnCuSO4(aq) = Cu(s)ZnSO4
SCO2 + O2 = SCO3 =>
2 SCO2 + O2 = 2 SCO3
CuCl2 = Cu + Cl =>
CuCl2 = Cu + 2 Cl
KOH + PbCl2 = KCl + Pb(OH)2 =>
2 KOH + PbCl2 = 2 KCl + Pb(OH)2
Li2CO3 + HClO3 = LiH + CO3(ClO3)2 =>
Li2CO3 + 2 HClO3 = 2 LiH + CO3(ClO3)2
H2S2O8 = H2OS2O7 =>
H2S2O8 = H2OS2O7
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