Do alternate fuels create less entropy?

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Sungmin Na [1C]
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Joined: Fri Sep 25, 2015 3:00 am

Do alternate fuels create less entropy?

Postby Sungmin Na [1C] » Sun Jan 24, 2016 12:53 pm

I was wondering if the development of alternative fuels such as solar energy or hydroenergy produced more or less entropy. My guess would be that regardless of how the system is enviromentally friendly, it would still create as much entropy as it would be a transfer of joules on one form to another.

Alexander Vong 3I
Posts: 56
Joined: Fri Sep 25, 2015 3:00 am

Re: Do alternate fuels create less entropy?

Postby Alexander Vong 3I » Sun Jan 24, 2016 1:32 pm

Are you referring to an increase in entropy of a particular system? An increase compared to current fuels (if so, which fuels)?

An increase in entropy is an increase in the number of particles and/or kinetic energy. Biodiesel fuels have a high enthalpy density, while methane has a low enthalpy density.

Entropy would increase more if you combusted one mol of biodiesel than if you combusted one mol of methane.


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