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

Internal energy of an element at 1 atm andC is __________ kcal/kg.mole.

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?

The value of gas constant 'R' is

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

The number of degrees of freedom at the triple point of water is

In an irreversible process

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

Generation of heat by friction is an example of a/an __________ change.

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

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)?

Which of the following liquid metals has the highest thermal conductivity ?

What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?

The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is

If the molar heat capacities (C_p or C_v) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as

__________ equation predicts the activity co-efficient from experimental data.

A domestic refrigerator has a/an __________ cooled condenser.

For an irreversible process involving only pressure-volume work

Free energy

Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

Internal energy is equal to the heat absorbed in case of a/an __________ process.

The equation, C_p - C_v = R, is true for __________ gas.

Gibbs free energy at constant pressure and temperature under equilibrium conditions is

Critical compressibility factor for all substances

Which of the following has the least thermal efficiency ?

The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

Adiabatic compression of a saturated water vapour makes it

All gases above its inversion temperature, in a throttling process will show

The value of C_p & C_v respectively for monoatomic gases in Kcal/kg Mole . °K are

Enthalpy 'H' is defined as

The extensive properties are

Free energy change of mixing two liquid substances is a function of the

Ideal refrigeration cycle is

"If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them". This is __________ law.

For a given substance at a specified temperature, activity is __________ to fugacity.

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S₁ and Δ S_R are the entropy changes of the system for the irreversible and reversible processes respectively)

Specific volume of an ideal gas is

As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is

The first law of thermodynamics is a restatement of the law of conservation of

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

With increase in pressure (above atmospheric pressure), the C_p of a gas

What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?

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

Joule-Thomson Co-efficient at any point on the inversion curve is

PV^γ = Constant (where, γ = C_p/C_v) is valid for a/an __________ process.

Claude gas liquefaction process employs cooling

The specific heat of saturated water vapour at 100°C is