Thermodynamics (C)

The number of $f$ electrons in the ground state electronic configuration of $\mathrm{Np}(Z=93)$ is ______ .(Integer answer)

An ideal gas undergoes a reversible isothermal expansion from state $I$ to state II followed by a reversible adiabatic expansion from state $II$ to state $III.$ The correct plot $(s)$ representing the changes from state…

For a reaction, $A⇌P$ , the plots of $[A]and[P]$ with time at temperatures $T_{1}andT_{2}$ are given below. If $T_{2}>T_{1}$ , the correct statement(s) is (are) (Assume $∆H^{⊝}and∆S^{⊝}$ are independent of temperature…

A reversible cyclic process for an ideal gas is shown below. Here, $P,V,andT$ are pressure, volume and temperature, respectively. The thermodynamic parameters $q,w,HandU$ are heat, work, enthalpy and internal energy,…

An ideal gas in a thermally insulated vessel at internal pressure = $P_{1}$ , volume = $V_{1}$ and absolute temperature = $T_{1}$ expands irreversibly against zero external pressure, as shown in the diagram. The final…

Paragraph: A fixed mass $'m'$ of a gas is subjected to transformation of states from $K$ to $L$ to $M$ to $N$ and back to $K$ as shown in the figure Question : The pair of isochoric processes among the transformation of…

Paragraph: A fixed mass $'m'$ of a gas is subjected to transformation of states from $K$ to $L$ to $M$ to $N$ and back to $K$ as shown in the figure Question : The succeeding operations that enable this transformation…

The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure. Which of the following statement(s) is (are) correct?

For an ideal gas, consider only P-V work in going from an initial state $\mathrm{X}$ to the final state $\mathrm{Z}$. The final state $\mathrm{Z}$ can be reached by either of the two paths shown in the figure. Which of…

Match the transformation in Column I with appropriate options in Column II.

Statement 1 For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. Statement 2 At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing…

Which is correct statement if $\mathrm{N}_2$ is added at equilibrium condition?