Stoichiometry problems
- 1. With rise in temperature, the heat capacity of a substance
Options- A. increases
- B. decreases
- C. remains unchanged
- D. either (a) or (b); depends on the substance Discuss
Correct Answer: increases
- 2. Heat of reaction is a function of the
Options- A. pressure
- B. temperature
- C. both(a)&(b)
- D. neither (a) nor (b) Discuss
Correct Answer: both(a)&(b)
- 3. Cp - Cv, for an ideal gas is equal to
Options- A. R
- B. R/2
- C. 2R
- D. 3R Discuss
Correct Answer: R
- 4. 1 bar is almost equal to __________ atmosphere.
Options- A. 1
- B. 10
- C. 100
- D. 1000 Discuss
Correct Answer: 1
- 5. The vapor pressure of water at 100°C is
Options- A. 100N/m2
- B. 76 cms of Hg
- C. 13.6 cms of Hg
- D. 760 mm wc Discuss
Correct Answer: 76 cms of Hg
- 6. Applicability of Claussius-Clapeyron equation is subject to the condition that the
Options- A. vapor follows ideal gas law.
- B. volume in the liquid state is negligible.
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
Correct Answer: both (a) & (b)
- 7. A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately
Options- A. 17
- B. 20
- C. 25
- D. 34 Discuss
Correct Answer: 17
- 8. An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is
Options- A. 0.2500
- B. 0.2528
- C. 0.5000
- D. 0.5055 Discuss
Correct Answer: 0.5055
- 9. 1m3 is approximately equal to
Options- A. 28 litres
- B. 35 ft3
- C. 4.5 litres
- D. 4.5 ft3 Discuss
Correct Answer: 35 ft3
- 10. The unit of Cp in S.I. units is
Options- A. W/m2.°K
- B. J/kg.°K
- C. W/m.°K
- D. J/m3. °K Discuss
Correct Answer: J/kg.°K
More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.