Discussion
Home ‣ Chemical Engineering ‣ Stoichiometry Comments
- Question
In physical adsorption, as compared to chemisorption, the
Options- A. quantity adsorbed per unit mass is higher.
- B. rate of adsorption is controlled by the resistance to surface reaction.
- C. activation energy is very high.
- D. heat of adsorption is very large.
- Correct Answer
- quantity adsorbed per unit mass is higher.
- 1. Validity of the relationship, inputs = outputs, holds good for the system at steady state
Options- A. with chemical reaction.
- B. without chemical reaction.
- C. without chemical reaction & losses.
- D. none of these. Discuss
- 2. A bypass stream in a chemical process is useful, because it
Options- A. facilitates better control of the process.
- B. improves the conversion.
- C. increases the yield of products.
- D. none of these. Discuss
- 3. Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is
Options- A. 80.1°C.
- B. less than 80.1°C.
- C. 100°C.
- D. greater than 80.1°C but less than 100°C. Discuss
- 4. 1 torr is equal to __________ mm Hg column.
Options- A. 1
- B. 0.1
- C. 10
- D. 1000 Discuss
- 5. The latent heat of vaporisation
Options- A. decreases with increased temperature.
- B. decreases as pressure increases
- C. becomes zero at the critical point.
- D. all (a), (b) & (c). Discuss
- 6. Kinetic theory of gases stipulates that, the
Options- A. energy is lost during molecular collisions.
- B. molecules possess appreciable volume.
- C. absolute temperature is a measure of the kinetic energy of molecules.
- D. none of these. Discuss
- 7. For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).
Options- A. inversely
- B. exponentially
- C. linearly
- D. negligibly Discuss
- 8. The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation
Options- A. increases with pressure rise.
- B. decreases with increasing pressure.
- C. becomes zero at the critical point.
- D. both (b) & (c). Discuss
- 9. Solutions having the same osmotic pressure are called __________ solutions.
Options- A. dilute
- B. ideal
- C. isotonic
- D. saturated Discuss
- 10. An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). This is called the
Options- A. Kistyakowsky equation
- B. Antonic equation
- C. Kopp's rule
- D. Trouton's rule Discuss
Stoichiometry problems
Search Results
Correct Answer: without chemical reaction & losses.
Correct Answer: facilitates better control of the process.
Correct Answer: greater than 80.1°C but less than 100°C.
Correct Answer: 1
Correct Answer: all (a), (b) & (c).
Correct Answer: absolute temperature is a measure of the kinetic energy of molecules.
Correct Answer: linearly
Correct Answer: both (b) & (c).
Correct Answer: isotonic
Correct Answer: Antonic equation
Comments
There are no comments.More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.