What are the applications of the Equilibrium Constant?
admin Applications of the equilibrium constant 1. The magnitude of the equilibrium constant : The magnitude of the equilibrium constant K means the extent to which a reaction can proceed i.e.…
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What are the characteristics of Equilibrium Constant?
The important characteristics of equilibrium constant are discussed below: 1. The equilibrium constant has a definite value for every reaction at a particular temperature. 2. The value of equilibrium constant…
An equilibrium system for the reaction between hydrogen and iodine to give hydrogen iodide at 670 K in a % litre flask contains 0.4 mole of hydrogen, 0.4 mole of iodine and 2.4 moles of hydrogen iodide. Calculate equilibrium constant.
Reaction will be given as: H2 (g) + I2 (g) = 2 HI (g) Therefore, the equilibrium constant K will be given as: K = 2 / The molar concentrations…
Nitrogen and oxygen react to form nitrous oxide as: 2 N2 (g) + O2 (g) ⇌ 2 N2O (g) Of a mixture of 0.482 mol N2 and 0.933 mol O2 is placed in a reaction vessel of 10.0 L and allowed to from N2O at a temperature for which Kc = 2.0 X 10-37, what will be the composition of the equilibrium mixture?
The given equation is: 2 N2 (g) + O2 (g) ⇌ 2 N2O (g) Therefore the equilibrium constant Kc, will be given as: Kc = 2 / 2 Initial molar…
Explain Le-Chateliers’s principle with example
The two French chemists, Le-Chateliers and Braun in 1884 made a certain generalizations to explain the effect of changes of system in equilibrium due to concentration, temperature or pressure. The…
Explain the effect of change of pressure on Equilibrium
The change of pressure can be observed on the reactions which involves gaseous substances. According to Le-Chateliers’s principle, increase of pressure on a system at equilibrium will shift the equilibrium…
At 540 K, 0.10 mole of PCl5 is heated in an 8.0 L flask. The pressure of the equilibrium mixture is found to be 1.0 atm. Calculate Kp and c for the reaction.
The reaction will be given as: PCl5 ⇌ PCl3 Cl2 Initial moles: PCl5 = 0.10 PCl3 = 0 Cl2 = 0 Equivalent moles: PCl5 = 0.10 – α PCl3 =…
What will be the effect of addition of inert gas on the equilibrium constant?
Effect of addition of inert gas like helium, neon etc has the following effects on the equilibrium constant: There are two cases on which equilibrium depends. These are: (1) Addition…
What are the units of Equilibrium constant?
The Equilibrium constant expression involves the concentrations or partial pressures of the reactants and products. The units of Equilibrium constant K will depend on the number of moles of reactants…
At 700 K, the equilibrium constant Kp, for the reaction 2 SO3 (g) ⇌ 2 SO2 (g) + O2 Is 1.8 X 10-3 kPa. What is the numerical value in moles per liter of Kc for the reaction at the same temperature?
Relation between Kp and Kc is given as: Kp = Kc (RT) ∆n Kc = Kp / (RT) ∆n T = 700 K R = 8.314 J mol -1 K-1…