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

View solution

Q. Fugacity is a measure of the

View solution

Q. The quantitative effect of temperature on chemical equilibrium is given by the

View solution

Q. For an irreversible process involving only pressure-volume work

View solution

Q. Ideal refrigeration cycle is

View solution

Q. The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

View solution

Q. Refrigeration cycle

View solution

Q. The enthalpy change when ammonia gas is dissolved in water is called the heat of

View solution

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

View solution

Q. The value of Cᵨ & Cᵥ respectively for monoatomic gases in Kcal/kg Mole . °K are

View solution

Q. In case of a close thermodynamic system, there is __________ across the boundaries.

View solution

Q. During a reversible isothermal expansion of an ideal gas, the entropy change is

View solution

Q. The equation, Cᵨ - Cᵥ = R, is true for __________ gas.

View solution

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

View solution

Q. Pick out the wrong statement:

View solution

Q. With increase in compression ratio, the efficiency of the otto engine

View solution

Q. The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

View solution

Q. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.

View solution

Q. At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

View solution

Q. The kinetic energy of gas molecule is zero at

View solution