The number of degrees of freedom for a mixture of ice and water (liquid) are

Which of the following is not correct for a reversible adiabatic process ?

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T2 (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Which of the following is not an equation of state?

A gas shows deviation from ideal behaviour at

A cylinder containsgm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C,mm Hg) will be __________ litres.

In the equation PVⁿ = constant, if the value of n = y = C_p/C_v, then it represents a reversible __________ process.

For an ideal gas, the chemical potential is given by

Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

After throttling, gas temperature

Minimum number of phases that exists in a system isNumber of chemical species in a colloidal system is

C_p - C_v = R is valid for __________ gases.

Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Throttling (Joule-Thomson effect) process is a constant __________ process.

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

Steam undergoes isentropic expansion in a turbine fromkPa and 400°C (entropy = 6.kJ/kg K) tokPa) (entropy of saturated liquid = 1.kJ/kg . K, entropy of saturated vapour = 7.kJ/kg. K) The exit condition of steam is

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