What is the correct answer?


Fugacity and pressure are numerically equal, when the gas is

A. In standard state

B. At high pressure

C. At low temperature

D. In ideal state

Correct Answer :

D. In ideal state

Related Questions

The minimum number of phases that can exist in a system is The following heat engine produces power of 100,000 kW. The heat engine… Sublimation temperature of dry ice (solid CO2) is __________ °C. In a homogeneous solution, the activity coefficient of a component depends… During Joule-Thomson expansion of gases The expression for the work done for a reversible polytropic process can… The absolute entropy for all crystalline substances at absolute zero temperature… Entropy of the system decreases, when In Joule-Thomson porous plug experiment, the In case of a reversible process (following pvn = constant), work obtained… Equilibrium constant decreases as the temperature In an ideal gas mixture, fugacity of a species is equal to its Work done in case of free expansion is The chemical potential of a component (μi) of a phase is the amount… Entropy is a measure of the __________ of a system. A solute distributes itself between two nonmiscible solvents in contact… What is the degree of freedom for a system comprising liquid water equilibrium… In a turbine, the fluid expands almost Pick out the correct equation relating 'F' and 'A'. Pick out the wrong statement. Pick out the wrong statement. A system is said to be isopiestic, if there is no __________ change. The free energy change for a chemical reaction is given by (where, K =… In the equation, PVn = constant, if the value of n = 1, then it represents… The reaction A (l) → R(g) is allowed to reach equilibrium conditions… The internal energy of a gas obeying P (V - b) RT (where, b is a positive… Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C… For a constant volume process Fugacity is a measure of the Specific/molar Gibbs free energy for a pure substance does not change…