Chemistry R1.4 Entropy and Gibb's Energy

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4 Terms

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Entropy S

It is the measure of disorderness- a measure of dispersal or distribution of matter and/or energy in a system.

Gas has the highest entropy among all states of matter.

<p>It is the measure of disorderness- a measure of dispersal or distribution of matter and/or energy in a system. </p><p>Gas has the highest entropy among all states of matter.</p>
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Spontaneous change

Gibb’s energy must be negative

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Non-spontaneous change

Gibb’s energy must be positive

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Spontaneity

At constant pressure, a change is spontaneous if the change in Gibb’s energy is negative

<p>At constant pressure, a change is spontaneous if the change in Gibb’s energy is negative</p>