| Équations équilibrées la veille | Équations équilibrées le lendemain |
SrCO3(s) = Sr + CO3
OCN{-} + H2O = HCO3{-} + NH3 =>
OCN{-} + 2 H2O = HCO3{-} + NH3
MgH2 + NaBO2 = NaBH4 + MgO =>
2 MgH2 + NaBO2 = NaBH4 + 2 MgO
Mg(NO3)2(H2O)6 + Fe(NO3)3(H2O)4 + C6H8O7 = MgFe2O4 + N2 + CO2 + H2O =>
9 Mg(NO3)2(H2O)6 + 18 Fe(NO3)3(H2O)4 + 20 C6H8O7 = 9 MgFe2O4 + 36 N2 + 120 CO2 + 206 H2O
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3CH2COH + MnSO4 + K2SO4 + H2O =>
5 CH3CH2CH2OH + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2COH + 2 MnSO4 + K2SO4 + 8 H2O
Zn2 + AgNO3 = ZnNO3 + Ag =>
Zn2 + 2 AgNO3 = 2 ZnNO3 + 2 Ag
CH4(g) + HCl(g) = CCl4 + H2(g) =>
CH4(g) + 4 HCl(g) = CCl4 + 4 H2(g)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
BaCl2(aq) + Na2SO4 = BaSO4 + NaCl =>
BaCl2(aq) + Na2SO4 = BaSO4 + 2 NaCl
Fe2(SO4)3 + NaOH(aq) = Fe(OH)3(s) + Na2SO4(aq) =>
Fe2(SO4)3 + 6 NaOH(aq) = 2 Fe(OH)3(s) + 3 Na2SO4(aq)
C18H36O2(l) + O2(g) = CO2(g) + H2O(l) =>
C18H36O2(l) + 26 O2(g) = 18 CO2(g) + 18 H2O(l)
AgNO3(ag) + K2SO4(ag) = AgSO4 + K2NO3 =>
AgNO3(ag) + K2SO4(ag) = AgSO4 + K2NO3
H + A = H2A =>
2 H + A = H2A
AlO3 = Al + O3 =>
AlO3 = Al + O3
Rb + (NO3) = Rb(NO3) =>
Rb + (NO3) = Rb(NO3)
Fe(II) + CuSO4 = Fe(II)SO4 + Cu =>
Fe(II) + CuSO4 = Fe(II)SO4 + Cu
Na2SO3 = Na2O + SO2 =>
Na2SO3 = Na2O + SO2
K2Cr2O7 + H2S + H2SO4 = K2SO4 + SCr2(SO4)3 + H2O =>
2 K2Cr2O7 + 3 H2S + 7 H2SO4 = 2 K2SO4 + 2 SCr2(SO4)3 + 10 H2O
CaCIO3 + ZnSO4 = Ca2SO4 + Zn(CIO3)2 =>
2 CaCIO3 + ZnSO4 = Ca2SO4 + Zn(CIO3)2
K2Cr2O7 + H2S = Cr2S3 + K2S + S + H2O =>
K2Cr2O7 + 7 H2S = Cr2S3 + K2S + 3 S + 7 H2O
MgS + HCl = H2S + MgCl2 =>
MgS + 2 HCl = H2S + MgCl2
Cr2O3 + H2O = CrO2 + H2 =>
Cr2O3 + H2O = 2 CrO2 + H2
Ba(s) + HNO3(aq) = Ba(NO3)(s) + H20(l) =>
20 Ba(s) + 20 HNO3(aq) = 20 Ba(NO3)(s) + H20(l)
C6H14N2O + O2 = CO2 + H2O + N2 =>
C6H14N2O + 9 O2 = 6 CO2 + 7 H2O + N2
Na2SO3 + H2O2 + KOH = NaOH + K2SO4 + H2O =>
Na2SO3 + H2O2 + 2 KOH = 2 NaOH + K2SO4 + H2O
CoCl2 + K4Fe(CN)6 = Co2Fe(CN)6 + KCl =>
2 CoCl2 + K4Fe(CN)6 = Co2Fe(CN)6 + 4 KCl
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
HC2H3O2 + C5H11OH = C7H14O2 + H2O =>
HC2H3O2 + C5H11OH = C7H14O2 + H2O
HNO3 + LiCl = LiNO3 + HCl =>
HNO3 + LiCl = LiNO3 + HCl
K2S + KMnO4 + HCl = S + KCl + MnCl2 + H2O =>
5 K2S + 2 KMnO4 + 16 HCl = 5 S + 12 KCl + 2 MnCl2 + 8 H2O
FeCl3 + Na = Fe3 + NaCl =>
3 FeCl3 + 9 Na = Fe3 + 9 NaCl
Co + NaOH = Co(OH)2 + Na =>
Co + 2 NaOH = Co(OH)2 + 2 Na
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Sn(NO3)2 + NaOH = SnOHNO3 + NaNO3 =>
Sn(NO3)2 + NaOH = SnOHNO3 + NaNO3
KMnO4 + H2SO4 + Na2C2O4 = Na2SO4 + CO2 + H2O + MnSO4 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 5 Na2C2O4 = 5 Na2SO4 + 10 CO2 + 8 H2O + 2 MnSO4 + K2SO4
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
NO2 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + N2O5 =>
10 NO2 + 2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 N2O5
SeO3{-2} + H2O = SeO4{-2} + H{+} + e =>
SeO3{-2} + H2O = SeO4{-2} + 2 H{+} + 2e
Ag2CrO4 = Ag + CrO4 =>
Ag2CrO4 = 2 Ag + CrO4
As2S3 + HNO3 = HAsO4 + NO + H2O + H2SO4 =>
3 As2S3 + 32 HNO3 = 6 HAsO4 + 32 NO + 4 H2O + 9 H2SO4
SF4(g) + F2(g) = SF6(g) =>
SF4(g) + F2(g) = SF6(g)
K2SO4 + Mg(NO3)2 = KNO3 + MgSO4 =>
K2SO4 + Mg(NO3)2 = 2 KNO3 + MgSO4
S + H = HS =>
S + H = HS
Cr2O7{-2} + H2O + {-} = Cr{+2} + OH{-} =>
Cr2O7{-2} + 7 H2O + 8e = 2 Cr{+2} + 14 OH{-}
C6H5CH2OH + H2SO4 + K2Cr2O7 = C6H5COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H5CH2OH + 8 H2SO4 + 2 K2Cr2O7 = 3 C6H5COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Al(OH)3 + RbOH = Rb3[Al(OH)6] =>
Al(OH)3 + 3 RbOH = Rb3[Al(OH)6]
NO2 + H2O = HNO3 + H3 =>
3 NO2 + 3 H2O = 3 HNO3 + H3
Mg2Si + K2Cr2O7 + H2SO4 = MgSO4 + K2SO4 + Cr2(SO4)3 + H4SiO4 + H2O =>
3 Mg2Si + 4 K2Cr2O7 + 22 H2SO4 = 6 MgSO4 + 4 K2SO4 + 4 Cr2(SO4)3 + 3 H4SiO4 + 16 H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
NH4 + Sr(NO3)2 = Sr + NH4(NO3)2 =>
NH4 + Sr(NO3)2 = Sr + NH4(NO3)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/17/25
Équations équilibrées sur03/19/24
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