| Équations équilibrées la veille |
PbS + CaCl = PbCl + CaS
Al2O3 + HCl = AlCl3(aquinas) + H2O =>
Al2O3 + 6 HCl = 2 AlCl3(aquinas) + 3 H2O
PBr5(s) + H2O(l) = H3PO4(aq) + HBr(aq) =>
PBr5(s) + 4 H2O(l) = H3PO4(aq) + 5 HBr(aq)
Cd3 + P2 = CdP =>
2 Cd3 + 3 P2 = 6 CdP
U + Br = U6Br =>
6 U + Br = U6Br
HgCl2 + PH3 = Hg3P2 + HCl =>
3 HgCl2 + 2 PH3 = Hg3P2 + 6 HCl
Ag2CO3 + NaCl = Na2CO3 + AgCl =>
Ag2CO3 + 2 NaCl = Na2CO3 + 2 AgCl
Ru + NO3 = Ru(NO3) =>
Ru + NO3 = Ru(NO3)
Cr2O3 + H2SO3 = Cr2(SO3)3 + H2O =>
Cr2O3 + 3 H2SO3 = Cr2(SO3)3 + 3 H2O
MnO2 + K2CO3 + KOH = K2MnO4 + KCO + H2O =>
3 MnO2 + 2 K2CO3 + 4 KOH = 3 K2MnO4 + 2 KCO + 2 H2O
FeC + CuSO4 = FeCuSO3 + CO =>
FeC + CuSO4 = FeCuSO3 + CO
C3H7O2N + NaOH = CH3COONa + NH3 + H2O =>
2 C3H7O2N + 3 NaOH = 3 CH3COONa + 2 NH3 + H2O
Rb + CO3 = RbCO3 =>
Rb + CO3 = RbCO3
Na2[B2(OH)4(O2)2] + KMnO4 + H2SO4 = Na2SO4 + K2SO4 + O2 + Mn3(BO3)2 + H2O =>
4 Na2[B2(OH)4(O2)2] + 12 KMnO4 + 10 H2SO4 = 4 Na2SO4 + 6 K2SO4 + 19 O2 + 4 Mn3(BO3)2 + 18 H2O
H{+} + Fe{2+} + MnO4{2-} = Fe{3+} + Mn{2+} + H2O =>
8 H{+} + 4 Fe{2+} + MnO4{2-} = 4 Fe{3+} + Mn{2+} + 4 H2O
Cr + Cl3 + NaOH = NaCl + Cr(OH)3 =>
Cr + Cl3 + 3 NaOH = 3 NaCl + Cr(OH)3
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
Cl + H2O2 + H = Cl2H2O =>
4 Cl + H2O2 + 2 H = 2 Cl2H2O
KMnO4 + H2SO4 + NO2 + H2O = MnSO4 + K2SO4 + HNO3 =>
2 KMnO4 + 3 H2SO4 + 10 NO2 + 2 H2O = 2 MnSO4 + K2SO4 + 10 HNO3
FeS + HNO3 = NO + H2SO4 + Fe(NO3)3 + H2O =>
FeS + 6 HNO3 = 3 NO + H2SO4 + Fe(NO3)3 + 2 H2O
Mg + Pd(NO3)2 = Mg(NO3)2 + Pd =>
Mg + Pd(NO3)2 = Mg(NO3)2 + Pd
KNO3 + Zn(ClO4)2 = KClO4 + Zn(NO3)2 =>
2 KNO3 + Zn(ClO4)2 = 2 KClO4 + Zn(NO3)2
NaCl2 + SO2 + H2O + O2 = NaSO4 + HCl2 =>
4 NaCl2 + 4 SO2 + 2 H2O + 3 O2 = 4 NaSO4 + 4 HCl2
FeCl3 + KSCN + NaF = Na3(FeF6) + Na3[Fe(SCN)6] + KCl =>
2 FeCl3 + 6 KSCN + 6 NaF = Na3(FeF6) + Na3[Fe(SCN)6] + 6 KCl
HF + FeO(OH) = FeF3 + H2O =>
3 HF + FeO(OH) = FeF3 + 2 H2O
NO2 + OH = HNO3 =>
NO2 + OH = HNO3
HBrO4(aq) + Fe(OH)2(s) = H2O(l) + Fe(BrO4)2(s) =>
2 HBrO4(aq) + Fe(OH)2(s) = 2 H2O(l) + Fe(BrO4)2(s)
C{-}2H{-}2 + O{-}2 = CO{-}2 + {-}2O =>
C{-}2H{-}2 + O{-}2 = CO{-}2 + {-}2O
K2Cr2O3 + H2SO4 + O2 = Cr2(SO4)3 + KHSO4 + H2O =>
2 K2Cr2O3 + 10 H2SO4 + O2 = 2 Cr2(SO4)3 + 4 KHSO4 + 8 H2O
silicon + chlorine = silicontetrachloride =>
Si + 2 Cl2 = SiCl4
Ca(OH)2 + KAl(SO4)2*12H2O = Al(OH)3 + CaSO4 + KOH + H2O =>
2 Ca(OH)2 + KAl(SO4)2*12H2O = Al(OH)3 + 2 CaSO4 + KOH + 12 H2O
Cu(s) + H2SO4(aq) = CuSO4(aq) + SO2(g) + H2O(aq) =>
Cu(s) + 2 H2SO4(aq) = CuSO4(aq) + SO2(g) + 2 H2O(aq)
NH3 + H2CrO4 = (NH4)2CrO4 =>
2 NH3 + H2CrO4 = (NH4)2CrO4
Zn + SO4 + H2O = (ZnOH)2SO4 + H2SO4 =>
2 Zn + 2 SO4 + 2 H2O = (ZnOH)2SO4 + H2SO4
ClF3 + Ca(OH)2 = CaF2 + CaCl2 + H2O + O2 =>
2 ClF3 + 4 Ca(OH)2 = 3 CaF2 + CaCl2 + 4 H2O + 2 O2
C6H12O6 + NH4{+} = C10H18O5N2 + CO2 + H2O + H{+} =>
7 C6H12O6 + 8 NH4{+} = 4 C10H18O5N2 + 2 CO2 + 18 H2O + 8 H{+}
ZnH2 + O2 = ZnO + H2O =>
ZnH2 + O2 = ZnO + H2O
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
NaO + SiO2 = Na2SiO4 =>
2 NaO + SiO2 = Na2SiO4
Zn + KOH + KNO3 + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + 7 KOH + KNO3 + 6 H2O = 4 K2[Zn(OH)4] + NH3
Co(OH)2 + NH4Cl = CoCl2 + NH4OH =>
Co(OH)2 + 2 NH4Cl = CoCl2 + 2 NH4OH
MnO2 + K2CO3 + KOH = K2MnO4 + KCO + H2O =>
3 MnO2 + 2 K2CO3 + 4 KOH = 3 K2MnO4 + 2 KCO + 2 H2O
Al2S3(s) + HCl(aq) = AlCl3(aq) + H2S(aq) =>
Al2S3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2S(aq)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Pb(CIO3)2 + NaI = PbI2 + NaCIO3 =>
Pb(CIO3)2 + 2 NaI = PbI2 + 2 NaCIO3
KBrO3 + NaNO2 = KBr + NaNO3 =>
KBrO3 + 3 NaNO2 = KBr + 3 NaNO3
Cr2O3 + H2SO3 = Cr2(SO3)3 + H2O =>
Cr2O3 + 3 H2SO3 = Cr2(SO3)3 + 3 H2O
C4H8O2 + NaOH = C3H5NaO2 + CH4O =>
C4H8O2 + NaOH = C3H5NaO2 + CH4O
SiCl4(i) + H2O(i) = SiO2(s) + HCl(aq) =>
SiCl4(i) + 2 H2O(i) = SiO2(s) + 4 HCl(aq)
Fe7S8 + O2 + H2O = Fe{2+} + SO4{2-} + H{+} =>
2 Fe7S8 + 31 O2 + 2 H2O = 14 Fe{2+} + 16 SO4{2-} + 4 H{+}
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Équations équilibrées sur10/29/24
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