Thermodynamics for Chemical Quiz 5

In a homogeneous solution, the fugacity of a component depends upon the ___________?

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will_____?

In the decomposition of PCl5 represented by, PCl5 ? PCl3 + Cl2, decrease in the pressure of the system will ______ the degree of dissociation of PCl5?

In the ammonia synthesis reaction, N2 + 3H2 ? 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by_____?

In the reaction, C + O2 ? CO2; ?H = ? 94 kcal. What is the heat content (enthalpy) of O2 ?

In Joule-Thomson porous plug experiment, the___________?

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible _____ process?

In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when________?

In a homogeneous solution, the activity co-efficient of a component depends upon the__________?

In any spontaneous process, the _______ free energy decreases ?

In any spontaneous process, ?

Henry?s law is closely obeyed by a gas, when its ______ is extremely high?

In the equation, PVn = constant, if the value of n = ? ?, then it represents a reversible ______ process?

If atmospheric temperature and dew point are nearly equal, then the relative humidity is________?

In an ideal solution, the activity of a component equals its ___________?

Heating of water under atmospheric pressure is an _______ process?

In an ideal gas mixture, fugacity of a species is equal to its_____?

In case of a close thermodynamic system, there is _______ across the boundaries?

In jet refrigerators, the refrigerating fluid is practically always__________?

High ______ is an undesirable property for a good refrigerant?

In a turbine, the fluid expands almost__________?

In a reversible process___________?

If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in______?

In a working refrigerator, the value of COP is always___________?

In an irreversible process_________?

In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible _______ process?

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when_____?

If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ?H for the reaction CH4(g) + C2H4(g) ? C3H8(g) will be ______ Kcal?

In case of an ________ process, the temperature of the system increases?

In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is________?

In case of the decomposition of hydroiodic acid (2HI ? H2 + I2), addition of H2 (at equilibrium condition) will___________?

In an ideal refrigeration cycle, the change in internal energy of the fluid is______?

Helmholtz free energy A. is defined as______?

In the reaction, represented by, 2SO2 + O2 ? 2SO3; ?H = ? 42 kcal; the forward reaction will be favoured by______?

In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in______?

In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible _______ process?

In polytropic process (PVn = constant), if n = 1; it means a/an _______ process?

If two gases have same reduced temperature and reduced pressure, then they will have the same______?

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ?n? is__________?

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as___________?

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the______?

If we increase the pressure on a substance (which is at its triple point), then the triple point ___________?

Ideal gas law is applicable at______?

In the reaction, H2 +I2 ? 2HI, addition of an inert gas will_____?

If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the __________?

High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ?H and ?S respectively for this process ?

Ideal refrigeration cycle is______?

If an ideal solution is formed by mixing two pure liquids in any proportion, then the _____ of mixing is zero?

In the equation, PVn = constant, if the value of n = 1, then it represents a reversible ______ process?

In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about ______ percent?