For a process to occur spontaneously,

  • A
    only the entropy of the system must increase
  • B
    only the entropy of the surroundings must increase
  • C
    either the entropy of the system or that of the surroundings must increase
  • D
    the total entropy of the system and the surroundings must increase

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Similar Questions

If the enthalpy change for the following reaction at $300 \ K$ is $+7 \ kJ \ mol^{-1}$,find the entropy change of the surrounding (in $J \ K^{-1}$)?
$H_2O_{(s)} \longrightarrow H_2O_{(l)}$

Among the following processes,for which process is the change in entropy $(\Delta S)$ negative?

The enthalpy of vaporization of benzene is $30.779 \ kJ/mol$ and its boiling point is $353 \ K$. Find the change in entropy for the conversion of liquid benzene to its vapour at that temperature.

$3$ moles of water is boiled at $373 \ K$ and is changed to vapour state having the same temperature. What will be the change in entropy of the system (in $kJ/K$)? [ The molar heat of vaporization of water is $40.668 \ kJ/mol$ ]

For an endothermic reaction $A \rightarrow B$ to occur spontaneously at a constant temperature $T$,the entropy change $\Delta S$ must be:

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