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Yes, an increase in entropy of a system is sufficient to make a process spontaneous.

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3mo ago

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Why does the entropy of the universe increase for spontaneous processes?

The entropy of the universe increases for spontaneous processes because the second law of thermodynamics states that in any spontaneous process, the overall entropy of a closed system will always increase over time. This is because the natural tendency of systems is to move towards a state of higher disorder and randomness, leading to an increase in entropy.


What conditions must be met for a spontaneous process to occur?

For a spontaneous process to occur, the conditions must involve an increase in entropy and a decrease in free energy.


Why are all spontaneous processes irreversible?

Spontaneous processes are irreversible because they involve an increase in entropy, or disorder, in the system. This increase in entropy leads to a loss of energy that cannot be fully recovered, making the process irreversible.


What must happen to the entropy of the universe during a spontaneous reaction or process?

The entropy of the universe must increase during a spontaneous reaction or process. This is in accordance with the Second Law of Thermodynamics, which states that the total entropy of an isolated system can never decrease over time.


Is dissolving sugar in heat nonspontaneous?

Dissolving sugar in water is a spontaneous process as it increases the entropy (disorder) of the system. The increase in entropy overcomes the small decrease in enthalpy to make the overall process spontaneous.


Can entropy decrease during a process?

in general entropy will not decrease in a spontaneous process since spontaneous process are all irreversible ones. entropy can be reversed only through an reversible process by an ideal engine but it is impossible to create such an engine by violating second law of thermodynamics. hence entropy cannot be decreased practically


Is salt dissolves in water spontaneous or not spontaneous?

The dissolution of salt in water is spontaneous because it releases energy (exothermic process) and increases the disorder of the system, leading to an increase in entropy. This makes it a favorable process that occurs without the need for outside intervention.


What statements are true for the standard entropy change during the conversion of ozone to oxygen?

The standard entropy change during the conversion of ozone to oxygen is positive, indicating an increase in disorder or randomness. This process is spontaneous at higher temperatures and non-spontaneous at lower temperatures.


Is Entrophy change in a system that undergoes a spontaneous process positive negative or zero?

Negative entropy is a process or chemical reaction proceeds spontaneously in the forward direction.Positive entropy is a process proceeds spontaneously in reverse.


What kind of changes contribute to spontaneity?

An increase in entropy.


Does the entropy of the universe increase when a system undergoes a reversible process?

Yes, the entropy of the universe increases when a system undergoes a reversible process.


Which element of the scientific process cannot be changed?

Increase in entropy.