16702. Fugacity and pressure are numerically equal, when the gas is
16703. Refrigerants commonly used for domestic refrigerators are
16704. Solid and liquid phases of a substance are in equilibrium at the
16705. Absolute zero temperature signifies the
16706. Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
16707. Heat of formation of an element in its standard state is
16708. The equation relating E, P, V and T which is true for all substanes under all conditions is given by .This equation is called the
16709. For an exothremic reaction
16710. What is prepared under single entry?
16711. The shape of T-S diagram for Carnot Cycle is a
16712. For an isothermal process, the internal energy of a gas
16713. In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.
16714. For the gaseous phase chemical reaction, C2H4(g) + H2O(g) C2H5OH(g), the equilibrium conversion does not depend on the
16715. The first law of thermodynamics is a statement of conservation of
16716. "Dry ice" is
16717. In essence, the Varna system fo the Aryans was based on?
16718. Which of the following non-flow reversible compression processes require maximum work ?
16719. Ideal current ratio is:
16720. "When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change." This is called the
16721. Sound waves propagation in air exemplifies an __________ process.
16722. For equilibrium process (i.e. reversible) in an isolated system
16723. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of
16724. With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
16725. For an ideal gas, the enthalpy
16726. Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the
16727. In Joule-Thomson porous plug experiment, the
16728. Where was the first parliamentary form of government formed?
16729. The intensive properties are
16730. A Carnot cycle consists of the following steps :
16731. For a cyclic process, a fixed ratio between heat and work
16732. Which of the following is not a common refrigerant ?
16733. The most important application of distribution law is in
16734. Order levels and EOQ relate to control of
16735. Air-refrigeration cycle
16736. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be
16737. Gibbs free energy of mixing at constant pressure and temperature is always
16738. The compressibility factor for an ideal gas is 1. Its value for any other real gas is
16739. If two gases have same reduced temperature and reduced pressure, then they will have the same
16740. Which of the following is an extensive property of a system ?
16741. The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are
16742. Cp - Cv = R is valid for __________ gases.
16743. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
16744. Which is an example of closed system ?
16745. In which of the following case, the Supreme Court held that the Union Government cannot dismiss a duly elected State Government on the sole ground that the ruling party in the State suffered on over whelming the ruling partyin the State suffered an over whelming defeat in the election of the Lok Sabha .........?
16746. Melting of wax is accompanied with __________ in entropy.
16747. A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram.
The net work done during the complete cycle is given by the area covered by
16748. Work done in case of free expansion is
16749. Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is