Answer the following problems.
problem1)i) Derive the dimensions of the gas constant, R.
ii) Derive the SI units of pressure.
problem2) State the basic assumptions of the kinetic theory of gases.
problem3) Derive the relationship between critical constants and van der Waals constants.
problem4) Describe the main aspect of the model of the structure of liquids.
problem5) Briefly discuss the intrinsic and extrinsic semiconductors.
problem6) Describe Joule – Thomson effect.
problem7) Derive the relation between Δ_{r}U and Δ_{r}T
problem8) Describe the entropy changes for a cyclic process involving isothermal irreversible expansion and reversible compression.
problem9) Discuss the criteria for spontaneity.
problem10) Describe the following terms:
i) Molarity
ii) Molality
iii) Normality
iv) Mole fraction
v) Percentage
problem11) Describe the variation of mutual solubities of nicotine and water with temperature.
problem12) Derive the relation. ΔT_{b} = K_{b}m
problem13) describe the phase diagram of water.
problem14) Express the equilibrium constant K_{p} for the reaction: 2NO (g) + O_{2}(g) ↔ 2NO_{2} (g) in terms of
i) partial pressures and
ii) mole fractions of the gaseous species.
problem15) What is pH scale? What is the concentration of H^{+}tons for a solution having pH = 4.5
problem16) describe Faraday’s laws of electrolysis.
problem17) Using suitable diagram, describe the Weston Cell.
problem18) Derive integrated rate Law for first order reactions.
problem19) Describe Stark – Einstein Law of photochemical equivalence.
problem20) Describe the following:
i) Dialysis
ii) Physiosorption