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  • Question

  • What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?


  • Options
  • A. 2/3
  • B. 1/3
  • C. 1/2
  • D. l/3 x What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are

  • Correct Answer
  • 1/3 

    • Stoichiometry problems

    Search Results

    • 1. The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

    • Options
    • A. reduced
    • B. Boyle
    • C. critical
    • D. inversion
      • Discuss
    • 2. A flowsheet is given in the following figure:

      If the single pass once through conversion of A to B is 20%, then the rate of recycle R (molds/hr) is

    • Options
    • A. 300
    • B. 400
    • C. 500
    • D. 600
      • Discuss
    • 3. 80 kg of Na2SO4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na2SO4 .10H2O crystals separate out. The weight fraction of Na2SO4 in the remaining solution is

    • Options
    • A. 0.00
    • B. 0.18
    • C. 0.24
    • D. 1.00
      • Discuss
    • 4. pH value of a solution containing 1 gm of hydrogen ion per litre will be

    • Options
    • A. 0
    • B. 1
    • C. 7
    • D. 10
      • Discuss
    • 5. One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 ? CO2 + 2H2O. Both the reactants and products are in gas phase. ?H°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

    • Options
    • A. 1225
    • B. 1335
    • C. 1525
    • D. 1735
      • Discuss
    • 6. Claussius Clapeyron equation applies to the __________ process.

    • Options
    • A. sublimation
    • B. melting
    • C. vaporisation
    • D. all (a), (b) & (c)
      • Discuss
    • 7. As per Kirchoff s equation, the heat of reaction is affected by the

    • Options
    • A. pressure
    • B. volume
    • C. temperature
    • D. molecularity
      • Discuss
    • 8. pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be

    • Options
    • A. 0
    • B. 10
    • C. 7
    • D. 14
      • Discuss
    • 9. If 1 Nm3 of O2 contains 'N' number of molecules, then number of molecules in 2Nm3 of SO2 will be

    • Options
    • A. N
    • B. N/2
    • C. 2N
    • D. 4N
      • Discuss
    • 10. The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the

    • Options
    • A. relative humidity.
    • B. relative saturation.
    • C. percentage saturation.
    • D. none of these.
      • Discuss

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