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Chemistry 17 Online
OpenStudy (anonymous):

Which of the following changes will always be true for a system with increasing entropy?

OpenStudy (anonymous):

-deltaG +deltaT +deltaS -deltaH

OpenStudy (anonymous):

@Nurali

OpenStudy (anonymous):

@undeadknight26 @iGreen @Callisto

OpenStudy (anonymous):

@uri

OpenStudy (anonymous):

Do me a favor and explain this to me when you answer it. I'm rather 'idiotic' to these area and I feel someone explaining it in layman's terms would help.

OpenStudy (khalilforthewin):

idk

OpenStudy (anonymous):

You have an idea, Locks?

OpenStudy (jfraser):

an increase in entropy is an increase in disorder, right?

OpenStudy (jfraser):

and whenever we measure the change in the state of a reaction, we always measure \(final\) minus \(initial\) state, right?

OpenStudy (anonymous):

Yes, since an increase in disorder means an increase in entropy. And yes, I believe so.

OpenStudy (jfraser):

ok, so if we always measure final - inital, and the final state \(must \space be\) larger than the initial, since it's an increase in entropy, what kind of number do you get when you do \(\Delta S_{final} - \Delta S_{initial}\), and final must always be larger than initial for an increase in entropy?

OpenStudy (anonymous):

I'm not sure.

OpenStudy (anonymous):

@JFraser

OpenStudy (jfraser):

give the \(\Delta S\) any kind of numbers, just make sure that final is larger than initial

OpenStudy (jfraser):

100-50 : larger than 0 51-50: larger than 0 3509233242- 32344510: larger than 0

OpenStudy (anonymous):

I'm honestly extremely confused. Your original question was what type of number do I get. Do you mean in the case that the number is positive?

OpenStudy (jfraser):

yes, the number is always positive if final is larger than initial

OpenStudy (anonymous):

So would my answer be Delta H due to it always increasing?

OpenStudy (jfraser):

\(enthalpy\) is abbreviated \(\Delta H\), \(entropy\) is abbreviated \(\Delta S\)

OpenStudy (anonymous):

oh, so my answer is S then?

OpenStudy (jfraser):

more specifically it's the \(+\Delta S\), but since there's only one choice with \(\Delta S\) in it, then it's automatically the right answer

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