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- Question
The equilibrium data of component A in the two phases B and C are given below.
The estimate of Y for X = 4 by fitting a quadratic expression of a form Y = mX2 for the above data is
Options- A. 15.5
- B. 16
- C. 16.5
- D. 17
- Correct Answer
- 16.5
- 1. If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.
Options- A. the solvent begins to freeze out even before
- B. it will undergo no change until
- C. it will not solidify even on
- D. none of these Discuss
- 2. In a chemical process, the recycle stream is purged for
Options- A. increasing the product yield.
- B. enriching the product.
- C. limiting the inerts.
- D. heat conservation. Discuss
- 3. At a temperature of 0°K, the molecules of a gas have only __________ energy.
Options- A. rotational
- B. vibrational
- C. translational
- D. none of these Discuss
- 4. Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
Options- A. nature of the liquid.
- B. nature of the gas.
- C. temperature of the liquid. id) total pressure. Discuss
- 5. Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be __________ atmosphere.
Options- A. 0.5
- B. 1
- C. 1.5
- D. 2 Discuss
- 6. Which of the following is not a unit of length?
Options- A. Parsec
- B. Angstrom
- C. Barn
- D. Fermi Discuss
- 7. A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container
Options- A. will be greater than 298 K.
- B. will be 298 K.
- C. will be less than 298 K.
- D. can not be determined. Discuss
- 8. Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is
Options- A. 20
- B. 32.2
- C. 45.35
- D. 58.65 Discuss
- 9. The total number of atoms in 8.5 gm of NH3 is __________ x 1023.
Options- A. 9.03
- B. 3.01
- C. 1.204
- D. 6.02 Discuss
- 10. Atmospheric pressure corresponds to a hydrostatic head of
Options- A. 13.6 cms of Hg
- B. 34 ft ofH2O
- C. 1 metre of H2O
- D. 13.6 metres of Hg Discuss
Stoichiometry problems
Search Results
Correct Answer: it will undergo no change until
Correct Answer: limiting the inerts.
Correct Answer: translational
Correct Answer: nature of the gas.
Correct Answer: 1
Correct Answer: Barn
Correct Answer: will be less than 298 K.
Correct Answer: 58.65
Correct Answer: 9.03
Correct Answer: 34 ft ofH2O
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