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change in entropy total

Posted: Sun Feb 11, 2018 9:43 pm
by vicenteruelos3
why is the total change of entropy not always 0?

Re: change in entropy total

Posted: Sun Feb 11, 2018 9:57 pm
by Sabah Islam 1G
The total change of entropy is not always 0 because there is always disorder in a system. The only time that entropy is 0 is when the temperature in kelvin is going to 0 K.

Re: change in entropy total

Posted: Mon Feb 12, 2018 11:20 am
by David Zhou 1L
Also, with q/T, if there's any heat transfer, there must be some change in entropy.