The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is

Rotary lime kiln is an example of a/an __________ system.

With increase in temperature, the atomic heat capacities of all solid elements

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

Pick out the undesirable property for a good refrigerant.

On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)_s and the slope of the reversible isothermal line (∂P/∂V)_T are related as (where, y = C_p/C_v)

As the time is passing, entropy of the universe

1m³ of an ideal gas atK andkPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas isJ/mole . K, the final temperature will be

The chemical potential for a pure substance is __________ its partial molal free energy.

Henry's law is closely obeyed by a gas, when its __________ is extremely high.

The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant C_v), depends upon its

Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements.

Entropy is a/an

Domestic refrigerator usually works on the __________ refrigeration cycle.

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

The second law of thermodynamics states that

The minimum number of phases that can exist in a system is

Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm).

Equilibrium constant of a reaction varies with the

Heat of reaction is

The temperature at the eutectic point of the system is the __________ temperature that can be attained in the system.

The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

Which of the following processes can not be made reversible even under ideal condition of operation?

An isentropic process is carried out at constant

For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is

Fugacity and pressure are numerically not equal for the gases

"When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs". This phenomenon is related to the

The unit of equilibrium constant of a chemical reaction is the same as that of

At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be

For an incompressible fluid, the __________ is a function of both pressure as well as temperature.

Internal energy of an ideal gas

Enthalpy changes over a constant pressure path are always zero for __________ gas.

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

A Carnot cycle consists of the following steps :

Third law of thermodynamics is concerned with the

What happens in a reversible adiabatic expansion process ?

Pick out the wrong statement.

Which of the following is affected by the temperature ?

The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by

A gas performs the maximum work, when it expands

Compound having large heat of formation is

Pick out the wrong statement.

The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation.

All gases except __________ shows a cooling effect during throttling process at atmospheric temperature and pressure.

A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φ_i y_i P = Y_i x_i f_i° where, Φ is a vapor fugacity component, Y_i is the liquid activity co-efficient and f_i° is the fugacity of the pure component i. the K_i value (Y_i = K_i x_i) is therefore, in general a function of

A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount". This is

The internal energy of an ideal gas does not change in a reversible __________ process.

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?

One ton of refrigeration capacity is equivalent to the heat removal rate of