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Home Chemical Engineering Stoichiometry Comments

  • Question
  • Which of the following gases is the most soluble in water?


  • Options
  • A. NH3
  • B. CO2
  • C. H2S
  • D. CH4

  • Correct Answer
  • NH3 


  • Stoichiometry problems


    Search Results


    • 1. Cv for monoatomic gases is equal to(where, R = gas constant)

    • Options
    • A. R
    • B. 1.5 R
    • C. 2R
    • D. 3R
    • Discuss
    • 2. Enthalpy of a vapor gas mixture may be increased by increasing the

    • Options
    • A. temperature at constant humidity.
    • B. humidity at constant temperature.
    • C. temperature and the humidity.
    • D. all (a), (b) & (c).
    • Discuss
    • 3. 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
    • 4. 1m3 is approximately equal to

    • Options
    • A. 28 litres
    • B. 35 ft3
    • C. 4.5 litres
    • D. 4.5 ft3
    • Discuss
    • 5. 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
    • 6. The temperature at which a real gas obeys Boyle's law is termed as the

    • Options
    • A. triple point
    • B. Boyle's temperature
    • C. eutectic point
    • D. inversion temperature
    • Discuss
    • 7. Kopp's rule is useful for the determination of

    • Options
    • A. molal heat capacities of gases.
    • B. heat capacities of solids.
    • C. activation energy.
    • D. heat capacities of gases.
    • Discuss
    • 8. Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

    • Options
    • A. 57.46
    • B. -57.46
    • C. 114.92
    • D. -28.73
    • Discuss
    • 9. Pick out the wrong statement:

    • Options
    • A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve.
    • B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite.
    • C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture.
    • D. Clapeyron equation is given by,; where, P = vapor pressure, T = absolute temperature, ? = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively.
    • Discuss
    • 10. __________ fuels require the maximum percentage of 'excess air' for complete combustion.

    • Options
    • A. Solid
    • B. Liquid
    • C. Gaseous
    • D. Nuclear
    • Discuss


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