Thermodynamics (C)

Which of the following is applicable for isothermal process?

Which of the following properties of the system is both state function and intensive property as well?

Which of the following statements regarding spontaneous process is NOT true?

The relationship between $\Delta H$ and $\Delta U$ for the reaction, $\text{PCl}_3(g) + \text{Cl}_2(g) \rightarrow \text{PCl}_5(g)$ is given as

A gas is compressed by an average pressure of $0.50$ atmosphere, so as to decrease its volume from $400\ \text{cm}^3$ to $200\ \text{cm}^3$. What will be the work done in this case?

For a reaction, $\Delta\text{G}^\circ = -5.7$ kJ mol$^{-1}$ at 298 K. Calculate K. (R = 8.314 J K$^{-1}$ mol$^{-1}$)

Calculate the work done when an ideal gas expands from $1 \times 10^{-3}$ to $1 \times 10^{-2}\ \text{m}^3$ at 300 K against constant pressure of $1 \times 10^5\ \text{Nm}^{-2}$. ?

What is the enthalpy of formation of HF if bond enthalpies of H-H, F-F and H-F bonds are $434$ kJ/mol, $158$ kJ/mol and $565$ kJ/mol respectively. ?

A certain organic solvent has $\Delta H\_vap = 28.50\ \text{kJ mol}^{-1}$ and $\Delta S\_vap = 88.2\ \text{J K}^{-1}\ \text{mol}^{-1}$ at 1 bar. Calculate its normal boiling point (where $\Delta G = 0$)?

What is the work done when an ideal gas (0.300 mol) expands in vacuum?

Which of the following processes is an example of decrease in entropy?

When is the reaction spontaneous?