(B) We know that: $\Delta G = \Delta H - T\Delta S$At equilibrium,$\Delta G = 0$,therefore $T\Delta S = \Delta H$.$T = \frac{\Delta H}{\Delta S} = \fr

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(B) We know that: $\Delta G = \Delta H - T\Delta S$At equilibrium,$\Delta G = 0$,therefore $T\Delta S = \Delta H$.$T = \frac{\Delta H}{\Delta S} = \frac{45.0 \times 10^3 \, J}{120 \, J K^{-1}} = 375 \, K$.

Class 11 Chemistry Thermodynamics 2 nd Law of thermodynamics and Entropy

Medium

For the vaporization of water at $1 \, \text{atm}$ pressure,the liquid water and water vapor are in equilibrium. What is the temperature in $K$?
$H_2O_{(l)} \rightleftharpoons H_2O_{(g)}$ [at $1 \, \text{atm}$ pressure] [$\Delta S = 120 \, J K^{-1}$ and $\Delta H = +45.0 \, kJ$]

A
$315$
B
$375$
C
$345$
D
$265$

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Class 11

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Thermodynamics

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2 nd Law of thermodynamics and Entropy

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 $K$)

EasyMHT CET 2024

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Considering entropy $(S)$ as a thermodynamic parameter,the criterion for the spontaneity of any process is

DifficultAIPMT 2004

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$A$ reversible adiabatic process is one in which:

Medium

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Of the following,the largest value of entropy at $25^{\circ} C$ and $1 \ atm$ is that of

MediumNEET 2017

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The standard entropies of $CO_{2(g)}$,$C_{(s)}$ and $O_{2(g)}$ are $213.5$,$5.690$ and $205 \ J \ K^{-1} \ mol^{-1}$ respectively. The standard entropy of formation of $CO_{2(g)}$ is ...... $J \ K^{-1} \ mol^{-1}$.

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For the vaporization of water at $1 \, \text{atm}$ pressure,the liquid water and water vapor are in equilibrium. What is the temperature in $K$?$H_2O_{(l)} \rightleftharpoons H_2O_{(g)}$ [at $1 \, \text{atm}$ pressure] [$\Delta S = 120 \, J K^{-1}$ and $\Delta H = +45.0 \, kJ$]

Similar Questions

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 $K$)

Considering entropy $(S)$ as a thermodynamic parameter,the criterion for the spontaneity of any process is

$A$ reversible adiabatic process is one in which:

Of the following,the largest value of entropy at $25^{\circ} C$ and $1 \ atm$ is that of

The standard entropies of $CO_{2(g)}$,$C_{(s)}$ and $O_{2(g)}$ are $213.5$,$5.690$ and $205 \ J \ K^{-1} \ mol^{-1}$ respectively. The standard entropy of formation of $CO_{2(g)}$ is ...... $J \ K^{-1} \ mol^{-1}$.

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For the vaporization of water at $1 \, \text{atm}$ pressure,the liquid water and water vapor are in equilibrium. What is the temperature in $K$?
$H_2O_{(l)} \rightleftharpoons H_2O_{(g)}$ [at $1 \, \text{atm}$ pressure] [$\Delta S = 120 \, J K^{-1}$ and $\Delta H = +45.0 \, kJ$]