| Équations équilibrées la veille |
SnO + P2O5 = SnP2O6
C3H6O(l) + O2 = CO2(g) + H2O(l) =>
C3H6O(l) + 4 O2 = 3 CO2(g) + 3 H2O(l)
KOH + Br2 = KBr + KBrO3 + H2O =>
6 KOH + 3 Br2 = 5 KBr + KBrO3 + 3 H2O
CaCl2 + (NH4)(NO3) = Ca(NO3)2 + (NH4)Cl =>
CaCl2 + 2(NH4)(NO3) = Ca(NO3)2 + 2(NH4)Cl
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O =>
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O
NaHS + KMnO4 + H2O = H2SO4 + KOH + MnO2 + NaOH =>
3 NaHS + 8 KMnO4 + 7 H2O = 3 H2SO4 + 8 KOH + 8 MnO2 + 3 NaOH
Cr2O72{-} + S2{-} + H2O = CrO2{-} + S + OH =>
Cr2O72{-} + S2{-} + 68 H2O = 2 CrO2{-} + 2 S + 136 OH
XO2 + O2 = XO3 =>
2 XO2 + O2 = 2 XO3
NH4Fe(SO4)2*3H2O + Na2CO3 = Fe(OH)3 + NH4{+} + SO4{2-} + Na{+} + HCO3{-} =>
NH4Fe(SO4)2*3H2O + 3 Na2CO3 = Fe(OH)3 + NH4{+} + 2 SO4{2-} + 6 Na{+} + 3 HCO3{-}
Ca(OH)2 + NaHCO3 = CaCO3 + H2O + NaOH =>
Ca(OH)2 + NaHCO3 = CaCO3 + H2O + NaOH
LiBrO3 = LiBrO + O2 =>
LiBrO3 = LiBrO + O2
K2Cr2O7 + H2S + HClO4 = Cr(ClO4)3 + S + KClO4 + H2O =>
K2Cr2O7 + 3 H2S + 8 HClO4 = 2 Cr(ClO4)3 + 3 S + 2 KClO4 + 7 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + HCl = Fe2Cl3 + H2O2 =>
2 Fe2O3 + 6 HCl = 2 Fe2Cl3 + 3 H2O2
C18H33O2Na + YCl3 = (C18H33O2)3Y + NaCl =>
3 C18H33O2Na + YCl3 = (C18H33O2)3Y + 3 NaCl
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O =>
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O
Sn(s)AgNO3(aq) = Ag(s)SnNO3(aq) =>
Sn(s)AgNO3(aq) = Ag(s)SnNO3(aq)
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
H2X4O3 + O2 = H2O + XO2 =>
H2X4O3 + 3 O2 = H2O + 4 XO2
Ni3S2 + H2SO4 = NiS + NiSO4 + H2O =>
4 Ni3S2 + 4 H2SO4 = 9 NiS + 3 NiSO4 + 4 H2O
NH3 + SO2 + N2O + H2O = (NH4)2SO4 =>
6 NH3 + 4 SO2 + N2O + 7 H2O = 4(NH4)2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaHSO4 + Fe = FeSO4 + Na2SO4 + H2 =>
2 NaHSO4 + Fe = FeSO4 + Na2SO4 + H2
Zn + Cu2(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu2(NO3)2 = Zn(NO3)2 + 2 Cu
CuCO3 + Zn = ZnCO3 + Cu2 =>
2 CuCO3 + 2 Zn = 2 ZnCO3 + Cu2
Cl2 + NaOH = NaOCl + NaCl + H2O =>
Cl2 + 2 NaOH = NaOCl + NaCl + H2O
H2X4O3 + O2 = H2O + XO2 =>
H2X4O3 + 3 O2 = H2O + 4 XO2
Ca(OH)2 + NO2 = Ca(NO3)2 + NO + H2O =>
Ca(OH)2 + 3 NO2 = Ca(NO3)2 + NO + H2O
Na2SO3HOH = NaHSO3NaOH =>
Na2SO3HOH = NaHSO3NaOH
Ag(NO)3 = Ag + (NO)3 =>
Ag(NO)3 = Ag + (NO)3
K1MnO4 + KI + H2SO4 = K2SO4 + MnSO4 + I2 + H2O =>
2 K1MnO4 + 10 KI + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 5 I2 + 8 H2O
OFe + H2O = Fe3O4 + H2 =>
3 OFe + H2O = Fe3O4 + H2
(CuOH)2CO3 + H2O = Cu(OH)2 + H2CO3 =>
(CuOH)2CO3 + 2 H2O = 2 Cu(OH)2 + H2CO3
KIH2O = KOHHI =>
KIH2O = KOHHI
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
CH3CHCH2 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
10 CH3CHCH2 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 6 K2SO4 + 12 MnSO4 + 18 H2O
KIH2O = HIKOH =>
KIH2O = HIKOH
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
C4H6Br2Br2 = C4H5Br3HBr =>
C4H6Br2Br2 = C4H5Br3HBr
ICl3 + H2O = I2 + HIO3 + HCl =>
5 ICl3 + 9 H2O = I2 + 3 HIO3 + 15 HCl
K3Fe(CN)6 + CuSO4 = Cu3[Fe(CN)6]2 + K2SO4 =>
2 K3Fe(CN)6 + 3 CuSO4 = Cu3[Fe(CN)6]2 + 3 K2SO4
C3H7OH + KMnO4 + H2SO4 = C3H6O2 + K2SO4 + MnSO4 + H2O =>
5 C3H7OH + 4 KMnO4 + 6 H2SO4 = 5 C3H6O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
SnCl4 + NH4NO3 + H2O = Sn(OH)4 + NH4Cl + HNO3 =>
SnCl4 + 4 NH4NO3 + 4 H2O = Sn(OH)4 + 4 NH4Cl + 4 HNO3
MgCl2 + Na2S = MgS + NaCl =>
MgCl2 + Na2S = MgS + 2 NaCl
CrO2 + HNO3 = Cr(NO3)4 + H2O =>
CrO2 + 4 HNO3 = Cr(NO3)4 + 2 H2O
MnO2 + KNO3 + HNO3 + Cl2 = KClO3 + Mn(NO3)2 + H2O =>
5 MnO2 + 2 KNO3 + 8 HNO3 + Cl2 = 2 KClO3 + 5 Mn(NO3)2 + 4 H2O
Zn + SnI4 = ZnI2 + Sn =>
2 Zn + SnI4 = 2 ZnI2 + Sn
FeS(s) + HCl(aq) = Fe(Cl)2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = Fe(Cl)2(aq) + H2S(g)
Fe(OH)3 + KCN = K3[Fe(CN)6] + KOH =>
Fe(OH)3 + 6 KCN = K3[Fe(CN)6] + 3 KOH
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
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Équations équilibrées sur11/15/24
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