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Previous Year Exam Questions of Engineering Chemistry of bput - EC by Verified Writer

  • Engineering Chemistry - EC
  • 2017
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Computer Science Engineering
  • B.Tech
  • 2211 Views
  • 32 Offline Downloads
  • Uploaded 1 year ago
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Q5 a) (5) b) The heat of reaction for N2+H2→2NH3 at 270C is -91.94KJ What will be it value at 500C if molar heat capacities at constant pressure and 27 0C for N2 and H2 and NH3 are 28.45.28.32 and 37.07J respectively What do you mean by Order and molecularity?Derive an expression Q6 (a) (b) Prove that Cp-Cv=[P+{∂U/∂V}T][ ∂V/∂T]p Discuss the characteristics of a good catalyst (7) (3) Q7 (a) What do you mean by Fuel cell. Write down the cell reaction of H2-O2 fuel cell Draw the molecular orbital configuration ofN2and O2.Compare between them in reference to magnetic behavior and bond length. (5) The standard electrode potentials of the electrodes, Ag+(aq)/Ag(s), and Fe3+(aq)/Fe2+(aq), are 0.799 V and 0.771 V at 298 K, respectively. Write down the electrode reactions and designate the cell. Calculate he equilibrium constant for the cell reaction at 298 K, and calculate ∂G. ∂H For one mole of an ideal Gas T=f(P,V)show that ∂T is Perfects Differential (5) (b) Q8 a) b) (5) (5) (5)

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