Entropy

For spontaneous cooling of a hot metal rod (system) in the air,

Highest entropy is in

The third law of thermodynamics states that in the limit $\mathrm{T}\to 0$,

The entropy change in the conversion of a solid into its different states can be obtained by using

In which of the following processes, the entropy decreases?

What is the change in entropy when ice melts at $0°\mathrm{C}$, enthalpy of fusion of one mole of ice is $6.02 \mathrm{kJ} {\mathrm{mol}}^{-1}$?

Third law of thermodynamics is used to determine the

The standard entropies of ${\mathrm{CO}}_2 \left(\mathrm{g}\right),{\mathrm{C}}_{ \left(\mathrm{s}\right)}$ and ${\mathrm{O}}_2 \left(\mathrm{g}\right)$ are $213.5, 5.740$ and $205 \mathrm{J} {\mathrm{K}}^{-1}$ ,respectively. The standard
entropy of formation of ${\mathrm{CO}}_2 \left(\mathrm{g}\right)$ is:

Which of the following is the correct order?

In which of the following entropy decreases?

What is the entropy change (in $\mathrm{J} {\mathrm{K}}^{-1} {\mathrm{mol}}^{-1}$) when one mole of ice is converted into water at $0°\mathrm{C}$? (The enthalpy change for the conversion of ice into liquid water is $6.0 \mathrm{kJ} {\mathrm{mol}}^{-1}$ at $0°\mathrm{C}$)

The unit of entropy is

The entropy change in the fusion of one mole of a solid melting at $27°\mathrm{C}$ (Latent heat of fusion, $2930 \mathrm{J} {\mathrm{mol}}^{-1}$) is

The law formulated by Nernst is

Identify the correct statement regarding entropy.

$2$ moles of an ideal gas at $27°\mathrm{C}$ temperature is expanded reversibly from $2 \mathrm{L}$ to $20 \mathrm{L}$. Find the entropy change in$\mathrm{cal} {\mathrm{K}}^{-1}$. $(\mathrm{R}=2 \mathrm{cal}/\mathrm{mol} \mathrm{K})$

If for the cell reaction, $\mathrm{Zn}+{\mathrm{Cu}}^{2+}\rightleftharpoons \mathrm{Cu}+{\mathrm{Zn}}^{2+}$, the entropy change, $∆\mathrm{S}°$, is $96.5 \mathrm{J} {\mathrm{mol}}^{-1}{\mathrm{K}}^{-1}$, the temperature coefficient of the emf of a cell is

Which of the following units represents the largest amount of energy?

For determining the spontaneity of a process, which of the following is considered?

If the enthalpy of vaporization of water is $186.5 \mathrm{kJ} {\mathrm{mol}}^{-1}$, the entropy of its vaporization will be