Discussion
Home ‣ Chemical Engineering ‣ Stoichiometry Comments
- Question
For an endothermic reaction, the minimum value of energy of activation will be (where, ?H = enthalpy of the reaction)
Options- A. ? H
- B. >?H
- C. <?H
- D. 0
- Correct Answer
- >?H
- 1. Which of the following has the smallest least effect on the solubility of a solute into the solvent?
Options- A. Nature of the solute
- B. Nature of the solvent
- C. Temperature
- D. Pressure Discuss
- 2. In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is
Options- A. independent of temperature.
- B. increases with rise in pressure.
- C. increased with decrease in pressure.
- D. unchanged with pressure changes. Discuss
- 3. One 'Therm' is equivalent to
Options- A. 105 BTU
- B. 105 kcal
- C. 109 BTU
- D. 109 kcal Discuss
- 4. Disappearance of snow in subzero weather exemplifies the process of
Options- A. evaporation
- B. sublimation
- C. vaporisation
- D. melting Discuss
- 5. In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest?
Options- A. 30 c.c acid and 30 c.c base.
- B. 20 c.c acid and 25 c.c base.
- C. 15 c.c acid and 35 c.c base.
- D. 35 c.c acid and 15 c.c base. Discuss
- 6. A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2 ; then the partial pressure of N2 in the mixture will be __________ kgf/cm2 .
Options- A. 1
- B. 2
- C. 4
- D. 8 Discuss
- 7. A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is
Options- A. 0.16
- B. 0.33
- C. 0.66
- D. 0.47 Discuss
- 8. According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to
Options- A. T
- B. T0.5
- C. T1.5
- D. T2 Discuss
- 9. Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
Options- A. carbonate (monohydrate)
- B. chloride
- C. thiosulphate
- D. bisulphite Discuss
- 10. The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.
Options- A. 6680
- B. 13360
- C. 2481
- D. 97302 Discuss
Stoichiometry problems
Search Results
Correct Answer: Pressure
Correct Answer: increases with rise in pressure.
Correct Answer: 105 BTU
Correct Answer: sublimation
Correct Answer: 30 c.c acid and 30 c.c base.
Correct Answer: 1
Correct Answer: 0.33
Correct Answer: T0.5
Correct Answer: carbonate (monohydrate)
Correct Answer: 13360
Comments
There are no comments.More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.