(A) Sublimation is the process of phase transition from solid to gas. In the solid state,molecules are arranged in an ordered lattice,whereas in the g

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(A) Sublimation is the process of phase transition from solid to gas. In the solid state,molecules are arranged in an ordered lattice,whereas in the gaseous state,they move randomly. Since randomness (disorder) increases during the transition from solid to gas,the entropy of the system increases.

Class 11 Chemistry Thermodynamics 2 nd Law of thermodynamics and Entropy

Medium

When naphthalene is heated strongly,it undergoes sublimation. What happens to the entropy of the system?

A
Entropy increases.
B
Entropy decreases.
C
Entropy remains unchanged.
D
$\Delta G$ becomes negative.

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Thermodynamics

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2 nd Law of thermodynamics and Entropy

For a reversible adiabatic expansion of an ideal gas,which of the following is equal to zero?

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At $300 \ K$,for the reaction $A \rightarrow P$,the $\Delta S_{sys}$ is $5 \ J \ K^{-1} \ mol^{-1}$. What is the heat absorbed (in $kJ \ mol^{-1}$) by the system?

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The enthalpy of vaporisation of a liquid is $30 \ kJ \ mol^{-1}$ and entropy of vaporisation is $75 \ J \ K^{-1} \ mol^{-1}$. Calculate the boiling point of the liquid at $1 \ atm$. (in $K$)

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The total entropy change for a system and its surroundings increases,if the process is

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Which one of the following has $\Delta S^o$ greater than zero?

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When naphthalene is heated strongly,it undergoes sublimation. What happens to the entropy of the system?

Similar Questions

For a reversible adiabatic expansion of an ideal gas,which of the following is equal to zero?

At $300 \ K$,for the reaction $A \rightarrow P$,the $\Delta S_{sys}$ is $5 \ J \ K^{-1} \ mol^{-1}$. What is the heat absorbed (in $kJ \ mol^{-1}$) by the system?

The enthalpy of vaporisation of a liquid is $30 \ kJ \ mol^{-1}$ and entropy of vaporisation is $75 \ J \ K^{-1} \ mol^{-1}$. Calculate the boiling point of the liquid at $1 \ atm$. (in $K$)

The total entropy change for a system and its surroundings increases,if the process is

Which one of the following has $\Delta S^o$ greater than zero?

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