| Équations équilibrées la veille |
NO2 + KI = KO2 + NI
KI + NO2 = KNO2 + I2 =>
2 KI + 2 NO2 = 2 KNO2 + I2
NO2 + KI = K2O + NO + I2 =>
NO2 + 2 KI = K2O + NO + I2
Bi(NO3)3 + Al + NaOH = Bi + NH3 + NaAlO2 =>
Bi(NO3)3 + 9 Al + 9 NaOH = Bi + 3 NH3 + 9 NaAlO2
Cr(OH)3{-} + IO3{-} + OH{-} = CrO4{2-} + I{-} + H2O =>
3 Cr(OH)3{-} + 2 IO3{-} + 3 OH{-} = 3 CrO4{2-} + 2 I{-} + 6 H2O
NaHSO3 + Cl2 + H2O = NaHSO4 + HCl =>
NaHSO3 + Cl2 + H2O = NaHSO4 + 2 HCl
Zn(HCO3)2 = ZnCO3 + H2O + CO2 =>
Zn(HCO3)2 = ZnCO3 + H2O + CO2
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
Cr2(SO4)3 + J2 + KOH = K2CrO4 + KJ + K2SO4 + H2O =>
Cr2(SO4)3 + 3 J2 + 16 KOH = 2 K2CrO4 + 6 KJ + 3 K2SO4 + 8 H2O
NaOH(s)HNO3(s) = NaNO3(s)H2O(s) =>
NaOH(s)HNO3(s) = NaNO3(s)H2O(s)
KOHBa(OH)2 = K(OH)2BaOH =>
KOHBa(OH)2 = K(OH)2BaOH
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Cr2O3 + KClO3 + KOH = K2CrO4 + KCl + H2O =>
Cr2O3 + KClO3 + 4 KOH = 2 K2CrO4 + KCl + 2 H2O
ClO{-} + SO2 + H2O = Cl{-} + SO4{-2} + H{+} =>
ClO{-} + SO2 + H2O = Cl{-} + SO4{-2} + 2 H{+}
Mg(OH)2(aq) + H3PO4(aq) = H2O(l) + Mg3(PO4)2 =>
3 Mg(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(l) + Mg3(PO4)2
CH3COOHCa(OH)2 = CH3(OH)2CaCOOH =>
CH3COOHCa(OH)2 = CH3(OH)2CaCOOH
C6H5COOH + H2O + e = C6H5CH2OH + HO{-} =>
C6H5COOH + 3 H2O + 4e = C6H5CH2OH + 4 HO{-}
HLO3 + P + H2O = HL + H3PO4 =>
5 HLO3 + 6 P + 9 H2O = 5 HL + 6 H3PO4
CO2 + Fe(OH)2 = Fe(HCO3)2 =>
2 CO2 + Fe(OH)2 = Fe(HCO3)2
HNO + H2O = H3O + NO3 =>
HNO + 7 H2O = 5 H3O + NO3
H2CO3 + H2O = H3O + HCO3 =>
H2CO3 + H2O = H3O + HCO3
O2 + NH = NO + H2O =>
3 O2 + 4 NH = 4 NO + 2 H2O
A2 = A3 =>
3 A2 = 2 A3
HCl + NaCO3 = HCO3 + NaCl =>
HCl + NaCO3 = HCO3 + NaCl
NO2OH + Sn = H2SnO3 + H2O + NO2 =>
4 NO2OH + Sn = H2SnO3 + H2O + 4 NO2
Al + MnSO4 = Al2(SO4)3 + Mn2 =>
4 Al + 6 MnSO4 = 2 Al2(SO4)3 + 3 Mn2
AsH3 + H2SO4 = AsSO4(OH) + S + H2O =>
AsH3 + 2 H2SO4 = AsSO4(OH) + S + 3 H2O
Ag + Au = AgAu2 =>
Ag + 2 Au = AgAu2
Bi(NO3)3 + K2S = Bi2S3 + KNO3 =>
2 Bi(NO3)3 + 3 K2S = Bi2S3 + 6 KNO3
HI + K2CrO4 + HClO4 = I2 + KClO4 + Cr(ClO4)3 + H2O =>
6 HI + 2 K2CrO4 + 10 HClO4 = 3 I2 + 4 KClO4 + 2 Cr(ClO4)3 + 8 H2O
UF6 = U + F6 =>
UF6 = U + F6
NaHSO3 = SO2 + H2O + Na2SO3 =>
2 NaHSO3 = SO2 + H2O + Na2SO3
KBr + K2Cr2O7 + H2SO4 = Cr2(SO4) + K2SO4 + Br2 + H2O =>
10 KBr + K2Cr2O7 + 7 H2SO4 = Cr2(SO4) + 6 K2SO4 + 5 Br2 + 7 H2O
CrCl3 + Br2 + KOH = K2Cr2O7 + KCl + KBr + H2O =>
2 CrCl3 + 3 Br2 + 14 KOH = K2Cr2O7 + 6 KCl + 6 KBr + 7 H2O
N2H4 + O2 = H2O + N2 =>
N2H4 + O2 = 2 H2O + N2
KHCO3(s) = K2CO3(s)H2O(g)CO2(g) =>
2 KHCO3(s) = K2CO3(s)H2O(g)CO2(g)
Al(OH2) = Al + H2O =>
Al(OH2) = Al + H2O
TiO(OH)2 + H3PO4 = Ti3(PO4)4 + H2O =>
3 TiO(OH)2 + 4 H3PO4 = Ti3(PO4)4 + 9 H2O
Zn + Sn{4+}Cl4 = Zn{2+}Cl2 + Sn =>
2 Zn + Sn{4+}Cl4 = 2 Zn{2+}Cl2 + Sn
HN03 + NaOH = NaN3 + H2O =>
HN03 + NaOH = NaN3 + H2O
BiNO3 + LiSO4 = LiNO3 + BiSO4 =>
BiNO3 + LiSO4 = LiNO3 + BiSO4
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
Na2SO4 + HNO3 = Na2(NO3) + HSO4 =>
Na2SO4 + HNO3 = Na2(NO3) + HSO4
CuCl2 + N = NCl + Cu =>
CuCl2 + 2 N = 2 NCl + Cu
SnCl4 + H2O = H2SnO3 + HCl =>
SnCl4 + 3 H2O = H2SnO3 + 4 HCl
CH3{-}CH2OH{-}CH3{-}CH2OH = CH3{-}CH2{-}O{-}CH2{-}CH3{-}H2O =>
CH3{-}CH2OH{-}CH3{-}CH2OH = CH3{-}CH2{-}O{-}CH2{-}CH3{-}H2O
Na3[Cr(OH)6] + H3PO4 = CrPO4 + Na3PO4 + H2O =>
Na3[Cr(OH)6] + 2 H3PO4 = CrPO4 + Na3PO4 + 6 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Cu + HCl + HNO3 = CuCl2 + H2O + NO =>
3 Cu + 6 HCl + 2 HNO3 = 3 CuCl2 + 4 H2O + 2 NO
CaC2O4 + HCl = CaCl + HC2O4 =>
CaC2O4 + HCl = CaCl + HC2O4
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