(∂H/∂T)P is the mathematical expression for____________________?

Related Mcqs:

1. (∂E/∂T)V is the mathematical expression for____________________?

   A. CV
   B. Enthalpy change
   C. Free energy change
   D. None of these

2. (∂T/∂P)H is the mathematical expression for__________________?

   A. Specific heat at constant pressure (Cp)
   B. Specific heat at constant volume (Cv)
   C. Joule-Thompson co-efficient
   D. None of these

3. The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?

   A. Isobaric
   B. Isothermal
   C. Adiabatic
   D. None of these

4. (1/V) (∂V/∂T)P is the mathematical expression__________________?

   A. Joule-Thomson co-efficient
   B. Specific heat at constant pressure (Cp)
   C. co-efficient of thermal expansion
   D. Specific heat at constant volume (CV)

5. A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?

   A. Temperature only
   B. Temperature and pressure only
   C. Temperature, pressure and liquid composition xi only
   D. Temperature, pressure, liquid composition xi and vapour composition yi

6. The expression, nRT ln(P1/P2), is for the _____________of an ideal gas?

   A. Compressibility
   B. Work done under adiabatic condition
   C. Work done under isothermal condition
   D. Co-efficient of thermal expansion

7. The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?

   A. Expansion of a real gas
   B. Reversible isothermal volume change
   C. Heating of an ideal gas
   D. Cooling of a real gas

8. The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the ______________ of a substance?

   A. Simultaneous pressure & temperature change
   B. Heating
   C. Cooling
   D. Both B. and C

9. The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is________________?

   A. (∂T/∂V)S = – (∂P/∂S)V
   B. (∂S/∂P)T = – (∂V/∂T)P
   C. (∂V/∂S)P = (∂T/∂P)S
   D. (∂S/∂V)T = (∂P/∂T)V

10. The expression, nCv(T2 – T1), is for the _____________ of an ideal gas?

    A. Work done under adiabatic condition
    B. Co-efficient of thermal expansion
    C. Compressibility
    D. None of these