Degrees of Change in Entropy

Boltzmann Equation for Entropy:

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smurphy1D
Posts: 51
Joined: Mon Nov 18, 2019 12:18 am

Degrees of Change in Entropy

Postby smurphy1D » Sun Feb 09, 2020 8:26 pm

What is the difference between delta S and delta S with the dregrees symbol? Is it degrees celsius or kelvin?

Wilson 2E
Posts: 100
Joined: Sat Aug 17, 2019 12:18 am

Re: Degrees of Change in Entropy

Postby Wilson 2E » Sun Feb 09, 2020 8:34 pm

delta S with the degree symbol refers to the standard entropy value, the amount of entropy of one mole of a molecule. It is in units of J/(K*mol).

MaggieHan1L
Posts: 100
Joined: Thu Jul 11, 2019 12:17 am

Re: Degrees of Change in Entropy

Postby MaggieHan1L » Sun Feb 09, 2020 8:44 pm

When there is a degrees symbol and it's not attached to C, it means standard so under standard conditions.

Sydney Myers 4I
Posts: 100
Joined: Fri Aug 09, 2019 12:17 am

Re: Degrees of Change in Entropy

Postby Sydney Myers 4I » Sun Feb 09, 2020 9:40 pm

Whenever there is a degree symbol next to a delta S, delta H, or delta G, it means that the value was measured under standard conditions. When you say it out loud, its "delta S naught"

Louise Lin 2B
Posts: 97
Joined: Sat Aug 17, 2019 12:15 am

Re: Degrees of Change in Entropy

Postby Louise Lin 2B » Sun Feb 09, 2020 11:51 pm

also, to add on to the answers above, the degree symbol next to the delta variables indicate that they occur under lab conditions. without the degree symbol, the delta variables are typically in regards to biological conditions.

Sreyes_1C
Posts: 90
Joined: Fri Sep 28, 2018 12:19 am

Re: Degrees of Change in Entropy

Postby Sreyes_1C » Tue Feb 11, 2020 3:40 pm

I think we should usually convert to kelvin, but it might depend on what the question says


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