List of top Nano Technology Questions on Thermodynamics asked in AP PGECET

Assertion (A): Gibbs free energy determines spontaneity at constant T and P.
Reason (R): A process is spontaneous when Gibbs free energy is minimum.

The 'Fugacity Coefficient ($\phi = f/P$)' of a real gas approaches unity when

If $\Delta U = 100\text{ J}$ and work done = $40\text{ J}$, heat supplied is:

An activity represents:

Consider an adiabatic process in which a gas is compressed. Which of the following statements is strictly CORRECT regarding the energy transfer?

At equilibrium, Gibbs free energy change is:

Second law states:

For ideal solution, activity (a) equals:

In an adiabatic process:

The Zeroth Law of Thermodynamics provides the basis for temperature measurement. If Body A is in thermal equilibrium with Body B, and Body B is in thermal equilibrium with Body C, which property must be identical for all three?

Chemical potential is equal to:

Which of the following processes produces maximum work?

If $\Delta G$ is positive, the reaction is:

Adiabatic flame temperature is maximum when

In a combustion process, the "Theoretical Adiabatic Flame Temperature" is the maximum temperature the products can reach. This temperature is lower in practice because

The efficiency of a furnace is defined as:

A furnace uses 1000 kJ of fuel energy.
Useful heat output = 700 kJ.
What is the furnace efficiency?