Q. Pick out the wrong statement.

View solution

Q. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas )

View solution

Q. Equation which relates pressure, volume and temperature of a gas is called the

View solution

Q. Claussius-Clayperon equation gives accurate result, when the

View solution

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

View solution

Q. The expression for entropy change, ΔS = n Cp . ln (T₂/T1), is valid for the __________ of a substance.

View solution

Q. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

View solution

Q. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

View solution

Q. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.

View solution

Q. In the reaction, H₂ + I₂ ↔ 2HI, addition of an inert gas will

View solution

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

View solution

Q. In an irreversible process

View solution

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

View solution

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

View solution

Q. PVʸ = Constant (where, γ = Cᵨ/Cᵥ) is valid for a/an __________ process.

View solution

Q. Claude gas liquefaction process employs cooling

View solution

Q. As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches

View solution

Q. Which of the following is not affected by temperature changes ?

View solution

Q. For an ideal gas, the activity co-efficient is

View solution

Q. Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

View solution