(A) The entropy change $(\Delta S)$ for a phase transition is given by the formula $\Delta S = \frac{\Delta H_{fus}}{T}$.Given,$\Delta H_{fus} = 6.0\,

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(A) The entropy change $(\Delta S)$ for a phase transition is given by the formula $\Delta S = \frac{\Delta H_{fus}}{T}$.Given,$\Delta H_{fus} = 6.0\, kJ\, mol^{-1} = 6000\, J\, mol^{-1}$.The temperature $T = 0^{\circ}C = 273\, K$.Substituting the values: $\Delta S = \frac{6000\, J\, mol^{-1}}{273\, K} = 21.98\, J\, K^{-1}\, mol^{-1}$.Thus,the correct option is $A$.

Class 11 Chemistry Thermodynamics 2 nd Law of thermodynamics and Entropy

Medium

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

AIPMT 2003 All AIPMT

A
$21.98$
B
$20.13$
C
$2.013$
D
$2.198$

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2 nd Law of thermodynamics and Entropy

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$18 \ g$ of ice is converted into water at $0 \ ^\circ C$ and $1 \ atm$. The entropies of $H_2O_{(s)}$ and $H_2O_{(l)}$ are $38.2$ and $60 \ J/mol \ K$ respectively. The enthalpy change for this conversion is ..... $J/mol$.

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Which of the following processes is non-spontaneous?

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Mixing of non-reacting gases is generally accompanied by

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The entropy change for the conversion of $1 \, \text{mol}$ of liquid water to steam at $373 \, K$ is ...... $J/K$ (Given: $\Delta H_{\text{vap}} = 2.257 \, kJ/g$). (in $0.9$)

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The enthalpy change for the transition of liquid water to steam at $373 \, K$ is $40.8 \, kJ \, mol^{-1}$. What is the $\Delta S$ for the process in $J \, K^{-1} \, mol^{-1}$?

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

Similar Questions

$18 \ g$ of ice is converted into water at $0 \ ^\circ C$ and $1 \ atm$. The entropies of $H_2O_{(s)}$ and $H_2O_{(l)}$ are $38.2$ and $60 \ J/mol \ K$ respectively. The enthalpy change for this conversion is ..... $J/mol$.

Which of the following processes is non-spontaneous?

Mixing of non-reacting gases is generally accompanied by

The entropy change for the conversion of $1 \, \text{mol}$ of liquid water to steam at $373 \, K$ is ...... $J/K$ (Given: $\Delta H_{\text{vap}} = 2.257 \, kJ/g$). (in $0.9$)

The enthalpy change for the transition of liquid water to steam at $373 \, K$ is $40.8 \, kJ \, mol^{-1}$. What is the $\Delta S$ for the process in $J \, K^{-1} \, mol^{-1}$?

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