Reversible Expansion


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Arjun Sharma 1D
Posts: 33
Joined: Fri Sep 29, 2017 7:06 am

Reversible Expansion

Postby Arjun Sharma 1D » Sat Feb 03, 2018 2:40 pm

I think I understand the concept of a reversible expansion as it applies to problems we'll be doing in this class. But I don't understand the point of reversible expansion, like how does it apply to real life?

Suchita 2I
Posts: 59
Joined: Fri Sep 29, 2017 7:04 am

Re: Reversible Expansion

Postby Suchita 2I » Sat Feb 03, 2018 2:48 pm

Although reversible expansion allows you to calculate the maximum work that can be done, this is not practically possible as it would take an infinite amount of time. However, I guess one possible application is that it can be used to assess the efficiency of irreversible expansion.

Ramya Lakkaraju 1B
Posts: 67
Joined: Fri Sep 29, 2017 7:03 am

Re: Reversible Expansion

Postby Ramya Lakkaraju 1B » Sat Feb 03, 2018 3:35 pm

In the equation S=qrev/T, why do we need to use the q for a reversible reaction?

Arjun Sharma 1D
Posts: 33
Joined: Fri Sep 29, 2017 7:06 am

Re: Reversible Expansion

Postby Arjun Sharma 1D » Sun Feb 04, 2018 1:32 pm

@Ramaya Lakkaraju 1B, I think it has to do with the fact that equation comes from situations where q=-w, which may only be true for reversible processes. Need confirmation on that though.


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