Describe the behavior of the reaction rate as equilibrium is approached.

A reaction occurs with all components present in liquid and gas phases. Compositions in both phases are measured and the activities are calculated. The equilibrium constant value calculated using vapor phase activities is different from the equilibrium constant calculated using liquid phase activities. Is something wrong?

 

 

 

Q462

Describe the behavior of the reaction rate as equilibrium is approached. Explain why most industrial reactors are not run near equilibrium. Explain why calculation of an equilibrium constant is a good idea whenever designing a reactor. Limestone (CaCO3) decomposes upon heating to yield quicklime (CaO) and carbon dioxide. At what temperature does limestone exert a decomposition pressure of 1 bar?

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Determine the blank diameter and the other drawing variables for the dies of all draws.

8.6 In a particular piercing operation, 20 mm holes are to be punched in a brass sheet of 3 mm thick. The maximum shear strength of the sheet may be….

Where are the following used?

8.23 How does the grain direction in sheet metal affect the design of: (a) Bending dies (b) Blanking dies 8.24 Generally, the die opening is straight up to a certain….

Explain the process of air carbon arc cutting.

9.82 Explain the process of air carbon arc cutting. 9.83 Explain the resistance welding process giving the equipment, parameters controlled and the applications. 9.84 What are the parameters to be….