| Équations équilibrées la veille |
6 HCl + Sn + 3 NO3 = SnCl6 + 3 NO2 + 3 H2O
Sb2S3 + NaOH = Sb(OH)3 + Na2S =>
Sb2S3 + 6 NaOH = 2 Sb(OH)3 + 3 Na2S
Fe3(PO4)2 = Fe{+2} + PO4{-3} =>
Fe3(PO4)2 = 3 Fe{+2} + 2 PO4{-3}
Mn2O7 + NH3 = MnO2 + N2 + H2O =>
Mn2O7 + 2 NH3 = 2 MnO2 + N2 + 3 H2O
Co3 + (SO4)2 = Co2(SO4)3 =>
4 Co3 + 9(SO4)2 = 6 Co2(SO4)3
C6H12N4 + HNO3 = C6H14N6O6 =>
C6H12N4 + 2 HNO3 = C6H14N6O6
K2Cr2O7 + SnCl2 + H2SO4 = SnCl4 + Sn(SO4)2 + K2SO4 + H2O + Cr2(SO4) =>
2 K2Cr2O7 + 10 SnCl2 + 14 H2SO4 = 5 SnCl4 + 5 Sn(SO4)2 + 2 K2SO4 + 14 H2O + 2 Cr2(SO4)
Pb(NO3)2 + Na2CO3 = PbCO3 + NO3Na =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NO3Na
Sb2S5 + HNO3 = Sb2O5 + H2SO4 + NO + H2O =>
3 Sb2S5 + 40 HNO3 = 3 Sb2O5 + 15 H2SO4 + 40 NO + 5 H2O
Si + H2 = H4Si =>
Si + 2 H2 = H4Si
NaCl + Na2CO3 = NaClNa2CO3 =>
NaCl + Na2CO3 = NaClNa2CO3
(CH3)2S + O2 = CO2 + HSO4 + H2O =>
4(CH3)2S + 21 O2 = 8 CO2 + 4 HSO4 + 10 H2O
(F6Cl)2PO4H + PET = (F6Cl)2PO4{-} + PET{+} + H2 =>
2(F6Cl)2PO4H + 2 PET = 2(F6Cl)2PO4{-} + 2 PET{+} + H2
Si + HBr = SiHBr3 + H2 =>
Si + 3 HBr = SiHBr3 + H2
Si + K = SiK =>
Si + K = SiK
Na2O + O2 + H2O = NaH2O3 =>
2 Na2O + 3 O2 + 4 H2O = 4 NaH2O3
FeCl + CuCr = FeCr + CuCl =>
FeCl + CuCr = FeCr + CuCl
Co3B + OH{-} = Co2O3 + B2O3 + H2O + e =>
2 Co3B + 24 OH{-} = 3 Co2O3 + B2O3 + 12 H2O + 24e
SiO2 + H3PO4 = Si3(PO4)4 + H2O =>
3 SiO2 + 4 H3PO4 = Si3(PO4)4 + 6 H2O
Ba(NO3)2 + C6H12N4 = BaO + H2O + CO2 + N2 =>
18 Ba(NO3)2 + 5 C6H12N4 = 18 BaO + 30 H2O + 30 CO2 + 28 N2
Cu2S + KCl = Cu2Cl + KS =>
Cu2S + KCl = Cu2Cl + KS
CuO + H{+} + HSO4{-} = Cu2{+} + (SO4)2{-} + H2O =>
2 CuO + 2 H{+} + 2 HSO4{-} = Cu2{+} + (SO4)2{-} + 2 H2O
Sn + H2O = SnOH + H2 =>
2 Sn + 2 H2O = 2 SnOH + H2
Mn(s) + HBr(ac) = MnBr2(ac) + H2(g) =>
Mn(s) + 2 HBr(ac) = MnBr2(ac) + H2(g)
CuCl2 + Na3(PO4)2 = Cu3(PO4)2 + NaCl2 =>
3 CuCl2 + Na3(PO4)2 = Cu3(PO4)2 + 3 NaCl2
Sn + HClO3 = Sn(ClO3)4 + H2 =>
Sn + 4 HClO3 = Sn(ClO3)4 + 2 H2
O2 + Cl = Cl2O =>
O2 + 4 Cl = 2 Cl2O
Ca3(PO4)2 = Ca3O8 + P4 =>
2 Ca3(PO4)2 = 2 Ca3O8 + P4
HClO3(aq) + NaOH(aq) = H2O + Cl + NaO3 =>
HClO3(aq) + NaOH(aq) = H2O + Cl + NaO3
HIO4 + Ti(OH)3 = Ti(IO4)3 + H2O =>
3 HIO4 + Ti(OH)3 = Ti(IO4)3 + 3 H2O
Sn + K2Cr2O7 + H2SO4 = Sn(SO4) + K2SO4 + Cr2(SO4)3 + H2O =>
3 Sn + K2Cr2O7 + 7 H2SO4 = 3 Sn(SO4) + K2SO4 + Cr2(SO4)3 + 7 H2O
Mg(NO3)2 + NH4OH = Mg(OH)2(s) + NH4NO3 = =>
Mg(NO3)2 + 2 NH4OH = Mg(OH)2(s) + 2 NH4NO3
Mn + H2SO4 = H2O + Mn(SO4) + SO2 =>
Mn + 2 H2SO4 = 2 H2O + Mn(SO4) + SO2
C6H12O6 = C126H22O11 + H2O =>
21 C6H12O6 = C126H22O11 + 115 H2O
SnBr2 + Cr = CrBr3 + Sn =>
3 SnBr2 + 2 Cr = 2 CrBr3 + 3 Sn
SnCl4 + NaOH = NaCl + Sn(OH)4 =>
SnCl4 + 4 NaOH = 4 NaCl + Sn(OH)4
K2S + HClO3 + H2O = KCl + S + KOH =>
3 K2S + HClO3 + 2 H2O = KCl + 3 S + 5 KOH
MmO2 + ClH = Cl2Mm + Cl2 + H2O =>
MmO2 + 4 ClH = Cl2Mm + Cl2 + 2 H2O
HCl + CaCl2 = CaHCl + Cl2 =>
HCl + CaCl2 = CaHCl + Cl2
SnO + NaOH + H2O = Na2(Sn(OH)4) =>
SnO + 2 NaOH + H2O = Na2(Sn(OH)4)
KI + Ca(NO3)2 = KI(NO3)2 + Ca =>
KI + Ca(NO3)2 = KI(NO3)2 + Ca
MnCr2O4 + O2 + H2O = CrO2(OH)2 + Mn2O3 =>
4 MnCr2O4 + 7 O2 + 8 H2O = 8 CrO2(OH)2 + 2 Mn2O3
Sr(s) + O2(g) = SrO =>
2 Sr(s) + O2(g) = 2 SrO
C3H7Br + KOH = C3H6 + KBr + H2O =>
C3H7Br + KOH = C3H6 + KBr + H2O
K2B4O7 + HCl + H2O = H3BO3 + KCl =>
K2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 KCl
NH4ClHCl = Cl2HNH4 =>
NH4ClHCl = Cl2HNH4
SrO(s) + H2O(l) = Sr(OH)2(aq) =>
SrO(s) + H2O(l) = Sr(OH)2(aq)
SrCl2 + AgNO3 = Sr(NO3)2 + AgCl =>
SrCl2 + 2 AgNO3 = Sr(NO3)2 + 2 AgCl
Ti + HNO3 = Ti(NO3)3 + H2 =>
2 Ti + 6 HNO3 = 2 Ti(NO3)3 + 3 H2
KBr + H2SO4 = Br2 + H2S + K2SO4 + H2O =>
8 KBr + 5 H2SO4 = 4 Br2 + H2S + 4 K2SO4 + 4 H2O
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Équations équilibrées sur01/30/25
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