| Équations équilibrées la veille |
6 K2CrO4 + 2 H3PO4 = 3 K2Cr2O7 + 2 K3PO4 + 3 H2O
Zn + FeCl3 = Zn(Cl3)2 + Fe =>
Zn + 2 FeCl3 = Zn(Cl3)2 + 2 Fe
Na2S + H3PO4 = H2S + Na3PO4 =>
3 Na2S + 2 H3PO4 = 3 H2S + 2 Na3PO4
C59H112O6 + O2 = CO2 + H2O =>
C59H112O6 + 84 O2 = 59 CO2 + 56 H2O
C2H6(g) + Cl2(g) = CCl4(g) + HCl(g) =>
C2H6(g) + 7 Cl2(g) = 2 CCl4(g) + 6 HCl(g)
e + H{+} + Cr2O7{-2} = Cr{3+} + H2O =>
6e + 14 H{+} + Cr2O7{-2} = 2 Cr{3+} + 7 H2O
C3H6O2 = C3H4O + H2O =>
C3H6O2 = C3H4O + H2O
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
C8H9NO2 = C + H + N + O =>
C8H9NO2 = 8 C + 9 H + N + 2 O
FeSO4 + H2O = Fe{2+} + H2SO4 + (OH{-}) =>
FeSO4 + 2 H2O = Fe{2+} + H2SO4 + 2(OH{-})
SO3 + Pb(OH)2 = PbSO4 + H2O =>
SO3 + Pb(OH)2 = PbSO4 + H2O
K + H3P = K3P + H2 =>
6 K + 2 H3P = 2 K3P + 3 H2
Fe + I = FeI2 =>
Fe + 2 I = FeI2
P2O5 + HCl = H2O + PCl5 =>
P2O5 + 10 HCl = 5 H2O + 2 PCl5
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
SnCl4HCl + NH3 = SnCl3 + HCl + N2 =>
6 SnCl4HCl + 2 NH3 = 6 SnCl3 + 12 HCl + N2
C3H7MgBr + C4H8O2 + H2O = C9H20O + HOMgBr =>
18 C3H7MgBr + 9 C4H8O2 + 10 H2O = 10 C9H20O + 18 HOMgBr
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
FeSO4 + KNO3 + H2SO4 = Fe2(SO4)3 + K2SO4 + [Fe(NO)]SO4 + H2O =>
8 FeSO4 + 2 KNO3 + 4 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + 2[Fe(NO)]SO4 + 4 H2O
ZnCO3 + HBr = ZnBr2 + H2O + CO2 =>
ZnCO3 + 2 HBr = ZnBr2 + H2O + CO2
Si(s) + Cl2 = SiCl4(l) =>
Si(s) + 2 Cl2 = SiCl4(l)
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + H2O + K =>
KMnO4 + 3 KNO2 + H2SO4 = MnSO4 + 3 KNO3 + H2O + K
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
MnO2 + HCl = Mn(HCl)2 + O2 =>
MnO2 + 2 HCl = Mn(HCl)2 + O2
H2S + NaOH = Na2S + H2O* =>
H2S + 2 NaOH = Na2S + 2 H2O*
HI + Ba(OH)2 = H2O + BaI2 =>
2 HI + Ba(OH)2 = 2 H2O + BaI2
C + O = CO =>
C + O = CO
OH + CH3CH3CHOH = CH3COCH3 + H2O =>
2 OH + CH3CH3CHOH = CH3COCH3 + 2 H2O
H2O2 + KY = Y2 + KOH =>
H2O2 + 2 KY = Y2 + 2 KOH
(CH2OH)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
(CH2OH)2 + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 6 H2O
KI(aq) + K2Cr2O7(aq) + H2SO4(aq) = I2(s) + Cr2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
6 KI(aq) + K2Cr2O7(aq) + 7 H2SO4(aq) = 3 I2(s) + Cr2(SO4)3(aq) + 4 K2SO4(aq) + 7 H2O(l)
Glycine + oxygen = carbondioxide + water + nitrogen =>
4 C2H5NO2 + 9 O2 = 8 CO2 + 10 H2O + 2 N2
Al2(SO4)3 + NH4NO3 = Al(NO3)3 + (NH4)2(SO4) = =>
Al2(SO4)3 + 6 NH4NO3 = 2 Al(NO3)3 + 3(NH4)2(SO4)
KN + H2SO4 = N2 + KHSO4 + SO2 + H2O =>
2 KN + 3 H2SO4 = N2 + 2 KHSO4 + SO2 + 2 H2O
NiCl2 + (NH4)2S = NiS + (NH4)Cl =>
NiCl2 + (NH4)2S = NiS + 2(NH4)Cl
V + HNO3 = HVO3 + NO2 + H2O =>
V + 5 HNO3 = HVO3 + 5 NO2 + 2 H2O
NaNO3 + H2SO3 = Na2SO3 + HNO3 =>
2 NaNO3 + H2SO3 = Na2SO3 + 2 HNO3
Fe(H2O)6Cl3 + Na2S2O3 = FeCl2 + Na2S4O6 + H2O + NaCl =>
2 Fe(H2O)6Cl3 + 2 Na2S2O3 = 2 FeCl2 + Na2S4O6 + 12 H2O + 2 NaCl
KN + H2SO4 = N2 + KHSO4 + SO2 + H2O =>
2 KN + 3 H2SO4 = N2 + 2 KHSO4 + SO2 + 2 H2O
K2SO4 + HI + As = KAsO3 + SO2 + KI + H2O =>
5 K2SO4 + 8 HI + 2 As = 2 KAsO3 + 5 SO2 + 8 KI + 4 H2O
KNO3 + MgI2 = KI + Mg(NO3)2 =>
2 KNO3 + MgI2 = 2 KI + Mg(NO3)2
FeBr2 + NH4Cl = FeCl2 + NH4Br =>
FeBr2 + 2 NH4Cl = FeCl2 + 2 NH4Br
Fe + HNO3(konc) = Fe2O3 + NO2 + H2O =>
2 Fe + 6 HNO3(konc) = Fe2O3 + 6 NO2 + 3 H2O
CaO + N2O5 = Ca(NO3)2 =>
CaO + N2O5 = Ca(NO3)2
CrCl3 + KOH + KClO3 = KCl + K2CrO4 + H2O =>
2 CrCl3 + 10 KOH + KClO3 = 7 KCl + 2 K2CrO4 + 5 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
NH4 + CH4 = HCN + H =>
NH4 + CH4 = HCN + 7 H
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
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Équations équilibrées sur11/04/24
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